pandora-kernel.git
15 years ago[ARM] S3C64XX: Basic CPU detection and map initialisation
Ben Dooks [Tue, 21 Oct 2008 13:06:49 +0000 (14:06 +0100)]
[ARM] S3C64XX: Basic CPU detection and map initialisation

Initialise the basic physical to virtual mappings and
then detect the CPU that the system is being run on so
that the cpu code code can call the correct initialisation
code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Add IRQ definitions for VIC0 and VIC1
Ben Dooks [Tue, 21 Oct 2008 13:06:48 +0000 (14:06 +0100)]
[ARM] S3C64XX: Add IRQ definitions for VIC0 and VIC1

Add IRQ definitions for the VIC0 and VIC1 interrupts
on the S3C6400 and S3C6410 SoCs.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Add UARTdevice definitions
Ben Dooks [Tue, 21 Oct 2008 13:06:46 +0000 (14:06 +0100)]
[ARM] S3C64XX: Add UARTdevice definitions

Add resources and information for the UART deviecs
on the S3C64XX CPUs.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Add system boot-time support
Ben Dooks [Tue, 21 Oct 2008 13:06:45 +0000 (14:06 +0100)]
[ARM] S3C64XX: Add system boot-time support

Add the necessary defines for <mach/uncompress.h>
to function and build an working header code block.

Signed-off-by: Ben Doioks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Add <plat/regs-clock.h>
Ben Dooks [Tue, 21 Oct 2008 13:06:44 +0000 (14:06 +0100)]
[ARM] S3C64XX: Add <plat/regs-clock.h>

Initial clock register defines.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Add <mach/debug-macro.S>
Ben Dooks [Tue, 21 Oct 2008 13:06:42 +0000 (14:06 +0100)]
[ARM] S3C64XX: Add <mach/debug-macro.S>

Add the necessary support for the kernel low-level
debug macros via <mach/debug-macro.S>

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Add <mach/entry-macro.S>
Ben Dooks [Tue, 21 Oct 2008 13:06:41 +0000 (14:06 +0100)]
[ARM] S3C64XX: Add <mach/entry-macro.S>

Add the include for the interrupt entry macros needed
to be included by <mach/entry-macro.S> for the kernel
interrupt handler.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Initial arch header files
Ben Dooks [Tue, 21 Oct 2008 13:06:40 +0000 (14:06 +0100)]
[ARM] S3C64XX: Initial arch header files

Add the initial header files for the S3C64XX support to satisfy the
minimal requirements to build a kernel. Some definitions will therefore
be placeholders or empty functions that will ensure that the system can
build and have base functionality. These will be filled in at a later
date.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C64XX: Initial arch directory
Ben Dooks [Tue, 21 Oct 2008 13:06:39 +0000 (14:06 +0100)]
[ARM] S3C64XX: Initial arch directory

Add the initial PLAT_S3C64XX support files
and directory structure.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Split timer pending code out
Ben Dooks [Tue, 21 Oct 2008 13:06:35 +0000 (14:06 +0100)]
[ARM] S3C24XX: Split timer pending code out

Split the timer pending code out to a seperate per-machine
header so that when compiling for mach-s3c2410 or mach-s3c24a0
we can use the right timer code without having to #ifdef the
timer driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24A0: Initial architecture support files
Ben Dooks [Tue, 21 Oct 2008 13:06:32 +0000 (14:06 +0100)]
[ARM] S3C24A0: Initial architecture support files

Initial architecture support for the S3C24A0 ARCH_S3C24A0.

We don't yet add an kconfig entry in the main arch/arm/Kconfig
file as the series is not complete, so that is left until enough
support is in to be useful.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Split map.h into plat-s3c24xx and mach-s3c2410
Ben Dooks [Tue, 21 Oct 2008 13:06:26 +0000 (14:06 +0100)]
[ARM] S3C24XX: Split map.h into plat-s3c24xx and mach-s3c2410

Split the map.h definitions into common S3C24XX code by
adding arch/arm/plat-s3c24xx/include/plat/map.h and
altering the machine specific header for the S3C24A0.

As we add a new <plat/map.h> we move the original one
in arch/arm/plat-s3c include directory to be called
map-base.h to distinguish the two files.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24A0: Serial port definitions and driver support.
Sandeep Patil [Tue, 21 Oct 2008 13:06:30 +0000 (14:06 +0100)]
[ARM] S3C24A0: Serial port definitions and driver support.

Add serial support for S3C24A0, based on current S3C2410
UART driver. It adds necessary new defines in regs-serial.h
for S3C24A0 and the code to support this device in
drivers/serial/s3c24a0.c

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24A0: Debug macro definitions
Ben Dooks [Tue, 21 Oct 2008 13:06:25 +0000 (14:06 +0100)]
[ARM] S3C24A0: Debug macro definitions

Add the necessary debug macros for the S3C24A0 to enable
kernel debugging, and fix a bug with selecting the wrong
default debug implementation from the base include.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24A0: Correct S3C2410_PA_GPIO in S3C24XX_VA_GPIO
Sandeep Patil [Tue, 21 Oct 2008 13:06:24 +0000 (14:06 +0100)]
[ARM] S3C24A0: Correct S3C2410_PA_GPIO in S3C24XX_VA_GPIO

The definition of S3C24XX_VA_GPIO used S3C2410_PA_GPIO
where it should have read S3C24XX_PA_GPIO.

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24A0: arch/arm/mach-s3c24a0/include/mach header files
Sandeep Patil [Tue, 21 Oct 2008 13:06:23 +0000 (14:06 +0100)]
[ARM] S3C24A0: arch/arm/mach-s3c24a0/include/mach header files

Add initial arch/arm/mach-s3c24a0/include/mach header
files for supporting Samsung S3C24A0 SoC.

Signed-off-by: Sandeep Patil <sandeep.patil@azingo.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Fix scaler1 clock rate information
Ben Dooks [Fri, 21 Nov 2008 10:36:06 +0000 (10:36 +0000)]
[ARM] S3C: Fix scaler1 clock rate information

The pwm-scaler0 and pwm-scaler1 clocks have their
.id field set to -1 as they are not referenced to
any specific device. However, parts of the pwm-clock
code used the .id field to identify which scaler
clock was being used.

Fix the problem by comparing against the pointer to
the clock to identify the scalers.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Add set_rate/round_rate methods for pwm-scaler clock
Ben Dooks [Fri, 21 Nov 2008 10:36:04 +0000 (10:36 +0000)]
[ARM] S3C: Add set_rate/round_rate methods for pwm-scaler clock

Add the set_rate and round_rate methods for the pwm-scaler
clock for use with the time code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Reduce code lineage of gpiolib.c
Ben Dooks [Fri, 31 Oct 2008 16:14:27 +0000 (16:14 +0000)]
[ARM] S3C24XX: Reduce code lineage of gpiolib.c

All the s3c24xx gpiolib chips share the same get/set
calls and all but one bank shares the same calls for
.direction_input and .direction_output methods.

Change the initialisation process to use an new call
to register the chips that fills in any blank calls
with the default values to avoid having to fill them
in the structure initialisers.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: BUG_ON() if clock has already been registered
Ben Dooks [Tue, 21 Oct 2008 13:07:10 +0000 (14:07 +0100)]
[ARM] S3C: BUG_ON() if clock has already been registered

Add a simple check when registering a clock on whether
the clock has already been added to the list.

Any attempt to re-register a clock will cause the
clock list to be come looped and thus produces silent
failures when looking up clocks.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Move pwm-clock.c to arch/arm/plat-s3c
Ben Dooks [Tue, 21 Oct 2008 13:06:55 +0000 (14:06 +0100)]
[ARM] S3C: Move pwm-clock.c to arch/arm/plat-s3c

Move pwm-clock.c to arch/arm/plat-s3c
to be shared with the S3C64XX implementations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Move core clock support to plat-s3c
Ben Dooks [Tue, 21 Oct 2008 13:06:54 +0000 (14:06 +0100)]
[ARM] S3C: Move core clock support to plat-s3c

Move the core clock registration and definitions
in arch/arm/plat-s3c24xx/clock.c to arch/arm/plat-s3c
to be shared with the S3C64XX implementations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Move time.c to arch/arm/plat-s3c
Ben Dooks [Tue, 21 Oct 2008 13:06:53 +0000 (14:06 +0100)]
[ARM] S3C: Move time.c to arch/arm/plat-s3c

Move time.c to arch/arm/plat-s3c
to be shared with the S3C64XX implementations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Move S3C2410_EXTINT to common regs-irqtype.h header
Ben Dooks [Tue, 21 Oct 2008 13:06:47 +0000 (14:06 +0100)]
[ARM] S3C: Move S3C2410_EXTINT to common regs-irqtype.h header

Add a common include file (regs-irqtype.h) for the IRQ
trigger control register values S3C2410_EXTINT*.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Move headers from plat-s3c24xx to plat-s3c
Ben Dooks [Tue, 21 Oct 2008 13:06:43 +0000 (14:06 +0100)]
[ARM] S3C24XX: Move headers from plat-s3c24xx to plat-s3c

Move clock.h, cpu.h and devs.h to plat-s3c for use
with the s3c64xx support.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Update clock data on resume
Ben Dooks [Tue, 21 Oct 2008 13:06:38 +0000 (14:06 +0100)]
[ARM] S3C24XX: Update clock data on resume

Update the clock settings on resume for suspend/resume
support so that if the boot loader changes anything or
the system's PLL is reset then we return with the correct
settings.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Change clock locking to use spinlocks.
Ben Dooks [Tue, 21 Oct 2008 13:06:37 +0000 (14:06 +0100)]
[ARM] S3C24XX: Change clock locking to use spinlocks.

We cannot sleep if we have cpufreq pm enabled during some
of the clock operations, so change to use a spinlock to
protect the clock system.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] CPUFREQ: S3C24XX serial CPU frequency scaling support.
Ben Dooks [Tue, 21 Oct 2008 13:06:36 +0000 (14:06 +0100)]
[ARM] CPUFREQ: S3C24XX serial CPU frequency scaling support.

Add support for CPU frequency scalling to the S3C24XX serial
driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Split pll code out of regs-clock.h
Ben Dooks [Tue, 21 Oct 2008 13:06:34 +0000 (14:06 +0100)]
[ARM] S3C24XX: Split pll code out of regs-clock.h

Move the PLL calculation code into it's own header
file for re-use with the other plat-s3c24xx based
systems such as the S3C24A0.

Note, we change the name of s3c2410_get_pll to the
more generically named s3c24xx_get_pll as well as
the related defintions.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Split DCLK/CLKOUT definitions out of clock.c
Ben Dooks [Tue, 21 Oct 2008 13:06:33 +0000 (14:06 +0100)]
[ARM] S3C24XX: Split DCLK/CLKOUT definitions out of clock.c

Only certain boards need these clocks, and they are not
available on some CPUs (such as the S3C24A0) so remove
them from arch/arm/plat-s3c24xx/clock.c and into their
own file with appropriate Kconfig entries.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Move initialisation code to arch/arm/plat-s3c
Ben Dooks [Tue, 21 Oct 2008 13:06:31 +0000 (14:06 +0100)]
[ARM] S3C24XX: Move initialisation code to arch/arm/plat-s3c

We need to add plat-s3c to the build to get the headers
that will go in here once moved from include/asm-arm so
we may as well put some useful common s3c code in here
to stop the errors generated form having nothing built.

The cpu setup is now passed the cpu idcode and the table
of supported cpus to s3c_init_cpu() to abstract the
cpu identification out of the initial io setup.

As well as moving the cpu initialisation code, we move the
map of the board specific items up to the calling code as
none of the map_io() functions actually do anything other
than pass this to iotable_init().

This patch does not rename any of the init functions that
will be common to s3c24xx and any other s3c architectures
as this can be done at a later date as it will touch all
the board support files which use functions such as
s3c24xx_init_clocks() and s3c24xx_init_uarts().

Note, the header arch/arm/plat-s3c24xx/include/plat/cpu.h
still has functions that are used by both the cpu and
board initialisation functions. This means that each board
has definitions specific to the cpu support included and
the vice-versa.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Add default <mach/io.h> header
Ben Dooks [Tue, 21 Oct 2008 13:06:29 +0000 (14:06 +0100)]
[ARM] S3C24XX: Add default <mach/io.h> header

Add a default header for <mach/io.h> for systems
such as the S3C24A0 which do not need any of the
complex code that the S3C2410 uses.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Move vmalloc.h to plat-s3c
Ben Dooks [Tue, 21 Oct 2008 13:06:28 +0000 (14:06 +0100)]
[ARM] S3C24XX: Move vmalloc.h to plat-s3c

vmalloc.h is common across all the current s3c platforms,
so move it to arch/arm/plat-s3c/include/mach to be used
for all the targets.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Make <mach/timex.h> common
Ben Dooks [Tue, 21 Oct 2008 13:06:27 +0000 (14:06 +0100)]
[ARM] S3C: Make <mach/timex.h> common

Move <mach/timex.h> to arch/arm/plat-s3c/include/mach/timex.h
so it can be the default for all S3C based architectures.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C2410: Move base clock code to plat-s3c24xx
Ben Dooks [Tue, 21 Oct 2008 13:06:22 +0000 (14:06 +0100)]
[ARM] S3C2410: Move base clock code to plat-s3c24xx

Move the S3C2410 base clock list to arch/arm/plat-s3c24xx
as this code is common to the S3C2410, S3C2440 and S3C2442
cpus.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C: Add <plat/cpu-freq.h> for initial cpufreq definitions
Ben Dooks [Tue, 21 Oct 2008 13:06:21 +0000 (14:06 +0100)]
[ARM] S3C: Add <plat/cpu-freq.h> for initial cpufreq definitions

This is the header file that defines the basic cpu frequency
scalling support for the Samsung S3C series of SoC.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years ago[ARM] S3C24XX: Default SPI pin configuration for SPI
Ben Dooks [Tue, 21 Oct 2008 13:06:20 +0000 (14:06 +0100)]
[ARM] S3C24XX: Default SPI pin configuration for SPI

Add a set of default pin configuration routines for
setting up the SPI gpio configuration when using the
hardware SPI driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
15 years agoMerge git://git.marvell.com/orion into devel
Russell King [Sat, 13 Dec 2008 09:12:51 +0000 (09:12 +0000)]
Merge git://git.marvell.com/orion into devel

15 years ago[ARM] fix xm_x2xx_defconfig build errors
Russell King [Thu, 11 Dec 2008 17:20:44 +0000 (17:20 +0000)]
[ARM] fix xm_x2xx_defconfig build errors

drivers/built-in.o: In function `pci_set_consistent_dma_mask':
hid-quirks.c:(.text+0x2664): multiple definition of `pci_set_consistent_dma_mask'
drivers/built-in.o: In function `pci_set_dma_mask':
hid-quirks.c:(.text+0x42c4): multiple definition of `pci_set_dma_mask'

because drivers/pci/pci.c was not seeing the definition disabling these
functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] 5343/1: ep93xx: include linux/i2c.h
Hartley Sweeten [Wed, 10 Dec 2008 22:39:54 +0000 (23:39 +0100)]
[ARM] 5343/1: ep93xx: include linux/i2c.h

Include <linux/i2c.h> in all ep93xx platforms.

Patch "5311/1: add core support for built in i2c bus" will cause build errors due to the following in
arch/arm/mach-ep93xx/include/mach/platform.h:

+void ep93xx_register_i2c(struct i2c_board_info *devices, int num);

The i2c.h header needs to be included in order to define struct i2c_board_info.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] 5342/1: ep93xx: platform init cleanup
Hartley Sweeten [Mon, 8 Dec 2008 16:57:22 +0000 (17:57 +0100)]
[ARM] 5342/1: ep93xx: platform init cleanup

Use EP93XX_*_PHYS_BASE and SZ_* defines in ep93xx platform inits.

The following patch changes the flash memory hard-coded resource
addresses and MACHINE_START boot_params to EP93XX_*_PHYS_BASE and
SZ_* defines to improve readability. Also some minor whitespace
cleanup resulting from previous patches.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] 5337/1: gumstix: move am200 specific gpio pins into am200epd.
Jaya Kumar [Sat, 29 Nov 2008 21:23:13 +0000 (22:23 +0100)]
[ARM] 5337/1: gumstix: move am200 specific gpio pins into am200epd.

The gpio setup for AM200 specific GPIO pins should be done in the AM200
code rather than in generic gumstix code.

Signed-off-by: Jaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] dma: correct dma_supported() implementation
Russell King [Mon, 20 Oct 2008 10:18:40 +0000 (11:18 +0100)]
[ARM] dma: correct dma_supported() implementation

dma_supported() is supposed to indicate whether the system can support
the DMA mask it was passed, which depends on the maximal address which
can be returned for DMA allocations.  If the mask is smaller than that,
we are unable to guarantee that the driver can reliably obtain suitable
memory.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] netwinder: clean up GPIO naming
Russell King [Sat, 6 Dec 2008 08:25:16 +0000 (08:25 +0000)]
[ARM] netwinder: clean up GPIO naming

Netwinder was using gpio_xxx names which could clash with the GPIO
layer.  Add a 'nw_' prefix to ensure that these remain separate.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] Kirkwood: update defconfig
Nicolas Pitre [Thu, 4 Dec 2008 05:22:11 +0000 (00:22 -0500)]
[ARM] Kirkwood: update defconfig

Signed-off-by: Nicolas Pitre <nico@marvell.com>
15 years ago[ARM] Feroceon: pass proper -mtune argument to gcc
Nicolas Pitre [Thu, 4 Dec 2008 06:03:57 +0000 (01:03 -0500)]
[ARM] Feroceon: pass proper -mtune argument to gcc

Compilation for the Feroceon core should use -mtune=marvell-f.  This is
available in Code Sourcery's 2008Q3 release at the moment. Otherwise
fall back to -mtune-=xscale.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
15 years ago[ARM] Kirkwood: properly handle the WAN port on newer RD88F6281 boards
Ronen Shitrit [Sun, 19 Oct 2008 21:19:07 +0000 (23:19 +0200)]
[ARM] Kirkwood: properly handle the WAN port on newer RD88F6281 boards

On newer versions of the RD88F6281 board, the WAN port is connected to
its own ethernet port on the CPU, via a separate PHY, whereas on older
versions of the board, it is connected to one of the PHYs in the
ethernet switch.  In the RD8F6281 setup code, detect which version of
the board we are running on, and instantiate the ethernet ports and
switch driver accordingly.

Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
15 years ago[ARM] Kirkwood: allow instantiating the second ethernet port
Ronen Shitrit [Sun, 19 Oct 2008 21:10:14 +0000 (23:10 +0200)]
[ARM] Kirkwood: allow instantiating the second ethernet port

The 88f6192 and 88f6281 Kirkwood SoCs support two ethernet ports.
Add the platform glue that will allow board support files to
instantiate the second ethernet port.

Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
15 years ago[ARM] DNS323: Initialise 88F5182 correctly
Matt Palmer [Wed, 22 Oct 2008 08:16:36 +0000 (10:16 +0200)]
[ARM] DNS323: Initialise 88F5182 correctly

The 88F5182 found in the DNS-323 rev B1 (and some other devices, such
as the CH3SNAS) require different initialisation of the SATA
controller and MPP registers.

Tested on a DNS-323 rev B1.

Signed-off-by: Matt Palmer <mpalmer@hezmatt.org>
15 years ago[ARM] DNS323: Read MAC address from flash
Matt Palmer [Sat, 18 Oct 2008 21:15:09 +0000 (08:15 +1100)]
[ARM] DNS323: Read MAC address from flash

Based on similar code from the tsx09 series of machines, just rips the MAC
address out of flash and stuffs it into the NIC. Tested on a DNS323 rev B1.
It's possible (though unlikely) that an A1 will have the MAC in a different
location in flash.

Signed-off-by: Matt Palmer <mpalmer@hezmatt.org>
15 years ago[ARM] Orion: add the option to support different ehci phy initialization
Ronen Shitrit [Wed, 17 Sep 2008 07:08:05 +0000 (10:08 +0300)]
[ARM] Orion: add the option to support different ehci phy initialization

The Orion ehci driver serves the Orion, kirkwood and DD Soc families.
Since each of those integrate a different USB phy we should have the
ability to use few initialization sequences or to leave the boot loader
phy settings as is.

Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
15 years ago[ARM] 5338/1: Add Nuvoton W90P910 Platform support
wanzongshun [Wed, 3 Dec 2008 02:55:38 +0000 (03:55 +0100)]
[ARM] 5338/1: Add Nuvoton W90P910 Platform support

Add Nuvoton W90X900 ARM9 plat support to linux arm tree,
Now, this patch include only W90P910 EVB of W90P910 CPU,
Its driver is nothing.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years agoMerge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa...
Russell King [Tue, 2 Dec 2008 22:07:40 +0000 (22:07 +0000)]
Merge branch 'for-rmk' of git://git./linux/kernel/git/ycmiao/pxa-linux-2.6 into devel

Conflicts:

arch/arm/mach-pxa/pxa25x.c

15 years ago[ARM] pxa: add basic support for HP iPAQ h5000
Anton Vorontsov [Thu, 23 Oct 2008 19:06:56 +0000 (21:06 +0200)]
[ARM] pxa: add basic support for HP iPAQ h5000

This patch adds HP iPAQ h5000's (h5400, h5500) basic definitions.

Kernel will able to boot, work via serial console, mount filesystems
placed on flashes and run USB gadgets (g_ether by default).

Other device drivers (frame buffer, LCD, touchscreen, backlight,
bluetooth, w1/battery, ...) are depend on SAMCOP and MediaQ
SoCs/MFDs, drivers to which will be submitted too, after massive
cleanups.

This machine will be used as "real user" for these new drivers.

This is an updated version of the patch, which contains fixes proposed on
linux-arm-kernel mailing list.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Milan Plzik <milan.plzik@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/poodle: add physmap mapping for ROM
Dmitry Baryshkov [Mon, 24 Nov 2008 21:57:30 +0000 (00:57 +0300)]
[ARM] pxa/poodle: add physmap mapping for ROM

Add mapping for system ROM using physmap-flash mapping.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/corgi: add physmap mapping for ROM
Dmitry Baryshkov [Mon, 24 Nov 2008 21:57:29 +0000 (00:57 +0300)]
[ARM] pxa/corgi: add physmap mapping for ROM

Add mapping for system ROM using physmap-flash mapping.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/spitz: add physmap mapping for ROM
Dmitry Baryshkov [Mon, 24 Nov 2008 21:57:28 +0000 (00:57 +0300)]
[ARM] pxa/spitz: add physmap mapping for ROM

Add mapping for system ROM using physmap-flash mapping.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/tosa: add physmap mapping for ROM
Dmitry Baryshkov [Mon, 24 Nov 2008 21:57:27 +0000 (00:57 +0300)]
[ARM] pxa/tosa: add physmap mapping for ROM

Add mapping for system ROM using physmap-flash mapping.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/tosa: fix building w/o TC6393XB driver
Dmitry Baryshkov [Wed, 26 Nov 2008 22:25:09 +0000 (01:25 +0300)]
[ARM] pxa/tosa: fix building w/o TC6393XB driver

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/tosa: support tc6393xb/tmiofb.
Dmitry Baryshkov [Tue, 28 Oct 2008 15:40:37 +0000 (18:40 +0300)]
[ARM] pxa/tosa: support tc6393xb/tmiofb.

Add platform data necessary to support tmiofb on tosa.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/MioA701: improve power supply sources
Robert Jarzmik [Sat, 15 Nov 2008 15:09:59 +0000 (16:09 +0100)]
[ARM] pxa/MioA701: improve power supply sources

Take advantage of the newly created wm97xx battery driver
and remove useless code in mioa701 board code. Add also the
ac connection detect capability after the matching gpio was
discovered.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/MioA701: discovered new gpio definitions.
Robert Jarzmik [Tue, 18 Nov 2008 19:23:32 +0000 (20:23 +0100)]
[ARM] pxa/MioA701: discovered new gpio definitions.

The charger enable gpio is straight (1 means draw from USB
Vbus, 0 mean do not draw). The USB Vbus sensing is inverted
(1 means no Vbus voltage sensed, 0 means Vbus voltage
present).

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/MioA701: change reset function to preserve RTC.
Robert Jarzmik [Sat, 15 Nov 2008 15:09:58 +0000 (16:09 +0100)]
[ARM] pxa/MioA701: change reset function to preserve RTC.

Change the halt and reboot method from gpio based to "jump
to ROM IPL beginning". This gives control back to IPL, which
without PowerOn key pressed, will put the device into deep
sleep until PowerOn is pressed for 1 second.

But this has the benefit of keeping the RTC registers across
reboots, which is good for OS change.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/MioA701: add camera support for Mio A701 board.
Robert Jarzmik [Sat, 15 Nov 2008 15:09:54 +0000 (16:09 +0100)]
[ARM] pxa/MioA701: add camera support for Mio A701 board.

Add GPIO configuration and platform specific declarations
to make Mitac Mio A701 camera chip work. The chip is a
Micron MT9M111 CMOS sensor, based on PXA QIF interface and
I2C bus for sensor control.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa/MioA701: remove KConfig leds driver requirement
Robert Jarzmik [Fri, 28 Nov 2008 19:08:19 +0000 (20:08 +0100)]
[ARM] pxa/MioA701: remove KConfig leds driver requirement

Since mioa701 board has migrated to the mfp architecture,
low power gpio setup is now correctly handled even when gpio
led driver is not loaded, and leds and vibrator don't stay
activated in suspend mode (especially vibrator).

Remove the not needed anymore dependency.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: add resources for incoming rtc-pxa driver
Robert Jarzmik [Thu, 13 Nov 2008 22:50:56 +0000 (23:50 +0100)]
[ARM] pxa: add resources for incoming rtc-pxa driver

Add IO memory and IRQ ressources for pxa based SoC to be
able to use the new rtc-pxa driver.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: cpufreq-pxa2xx: sdram_rows detection support
Philipp Zabel [Sun, 29 Jun 2008 14:53:34 +0000 (16:53 +0200)]
[ARM] pxa: cpufreq-pxa2xx: sdram_rows detection support

This patch implements Eric Miao's idea to detect the correct value of
sdram_rows by inspecting the MDCNFG register settings.
It is only tested on two pxa27x devices with 64MB RAM (magician and
hx4700) so far.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: cpufreq-pxa2xx: allow frequency table selection
Marc Zyngier [Tue, 4 Nov 2008 12:33:25 +0000 (13:33 +0100)]
[ARM] pxa: cpufreq-pxa2xx: allow frequency table selection

Following the removal of the "->policy" usage for PXA255 in patch
459fc208abd1b365fa013c17d433dfb5b4bc1e3a (cpufreq: remove
policy->governor setting in drivers initialization), this patch
introduces an option (called "pxa255_turbo_table") to select either
the "run" or "turbo" frequency table.

It also cures the runtime warning that was printed each time the
frequency was changed.

Got rid of all references to CPUFREQ_POLICY_* for pxa255, and sticked
with the run/turbo thing.

Tested on an Arcom/Eurotech Viper.

Signed-off-by: Marc Zyngier <maz@misterjones.org>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxafb: make {backlight,lcd}_power() members of struct pxafb_info
Eric Miao [Tue, 11 Nov 2008 13:50:39 +0000 (21:50 +0800)]
[ARM] pxafb: make {backlight,lcd}_power() members of struct pxafb_info

instead of holding them as static pointers.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] locomo: export locomo_frontlight_set()
Eric Miao [Mon, 1 Dec 2008 03:41:19 +0000 (11:41 +0800)]
[ARM] locomo: export locomo_frontlight_set()

This symbol is required by locomo backlight driver, exporting this
allows the driver to be built as a module.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: add missing GPIOs definitions
Eric Miao [Sat, 22 Nov 2008 13:40:50 +0000 (21:40 +0800)]
[ARM] pxa: add missing GPIOs definitions

GPIO3/GPIO4 are a bit special on pxa27x, since it depends on PCFR/PI2C_EN
bit, add their definitions here with comments.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
15 years ago[ARM] pxa: add base PXA935 support due to CPUID change
Eric Miao [Sat, 29 Nov 2008 13:42:39 +0000 (21:42 +0800)]
[ARM] pxa: add base PXA935 support due to CPUID change

PXA935 has changed its implementor ID from Intel to Marvell, this
patch modifies arch/arm/boot/compressed/head.S and proc-xsc3.S to
support a smooth bootup.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: introduced cpu_is_pxa935() and cpu_is_pxa9xx()
Eric Miao [Wed, 26 Nov 2008 07:39:39 +0000 (15:39 +0800)]
[ARM] pxa: introduced cpu_is_pxa935() and cpu_is_pxa9xx()

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move I2C pin configurations out into board specific files
Eric Miao [Fri, 28 Nov 2008 08:00:24 +0000 (16:00 +0800)]
[ARM] pxa: move I2C pin configurations out into board specific files

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: register Power I2C device only when necessary
Eric Miao [Fri, 28 Nov 2008 07:24:12 +0000 (15:24 +0800)]
[ARM] pxa: register Power I2C device only when necessary

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move power I2C device definitions into devices.c
Eric Miao [Fri, 28 Nov 2008 07:01:55 +0000 (15:01 +0800)]
[ARM] pxa: move power I2C device definitions into devices.c

Let's put these devices into a central place even if they are now
processor specific, as they might be re-used in later processors.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: remove unnecessary #include of pxa2xx-gpio.h in clock.c
Eric Miao [Sun, 30 Nov 2008 13:10:05 +0000 (21:10 +0800)]
[ARM] pxa: remove unnecessary #include of pxa2xx-gpio.h in clock.c

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: include <mach/hardware.h> in pxa-regs.h
Eric Miao [Sun, 30 Nov 2008 15:13:52 +0000 (23:13 +0800)]
[ARM] pxa: include <mach/hardware.h> in pxa-regs.h

for the reference of __REG() within <mach/hardware.h>

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: further cleanup of pxa-regs.h
Eric Miao [Fri, 28 Nov 2008 06:57:33 +0000 (14:57 +0800)]
[ARM] pxa: further cleanup of pxa-regs.h

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move GPIOx_BASE and GPIO register offsets to gpio.c
Eric Miao [Fri, 28 Nov 2008 06:54:39 +0000 (14:54 +0800)]
[ARM] pxa: move GPIOx_BASE and GPIO register offsets to gpio.c

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move AC97 register definitions into dedicated regs-ac97.h
Eric Miao [Fri, 28 Nov 2008 06:19:33 +0000 (14:19 +0800)]
[ARM] pxa: move AC97 register definitions into dedicated regs-ac97.h

The optimal change would be to move the AC97 register definitions into
the AC97 driver, unfortunately, the registers are shared between several
files. Move them into a dedicated regs-ac97.h first.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move UART register definitions into dedicated regs-uart.h
Eric Miao [Fri, 28 Nov 2008 06:08:53 +0000 (14:08 +0800)]
[ARM] pxa: move UART register definitions into dedicated regs-uart.h

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move pxa2xx specific PWRMODE definitions into pxa2xx-regs.h
Eric Miao [Fri, 28 Nov 2008 05:49:22 +0000 (13:49 +0800)]
[ARM] pxa: move pxa2xx specific PWRMODE definitions into pxa2xx-regs.h

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: remove the now unused IMPMCR/IMPMSR register definitions
Eric Miao [Fri, 28 Nov 2008 05:38:03 +0000 (13:38 +0800)]
[ARM] pxa: remove the now unused IMPMCR/IMPMSR register definitions

There two are internal registers that are used to control the power
management of the Internal Memory (i.e. Internal SRAM). They are
referenced nowhere and removed here to simplify pxa-regs.h a bit.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: remove unused PWM register definitions, use generic PWM API
Eric Miao [Thu, 27 Nov 2008 09:08:42 +0000 (17:08 +0800)]
[ARM] pxa: remove unused PWM register definitions, use generic PWM API

We now have generic PWM API for PXA, the PWM registers definitions are
now used nowhere, and it is not encouraged to manipulate them directly
by driver code.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move FICP register definitions into pxaficp_ir.c
Eric Miao [Fri, 28 Nov 2008 03:13:47 +0000 (11:13 +0800)]
[ARM] pxa: move FICP register definitions into pxaficp_ir.c

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: move camera (QCI) registers definition out of pxa-regs.h
Eric Miao [Fri, 28 Nov 2008 01:16:52 +0000 (09:16 +0800)]
[ARM] pxa: move camera (QCI) registers definition out of pxa-regs.h

Signed-off-by: Eric Miao <eric.miao@marvell.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
15 years ago[ARM] pxa: removed unused declarations of pxa_gpio_* in hardware.h
Eric Miao [Sun, 30 Nov 2008 12:58:42 +0000 (20:58 +0800)]
[ARM] pxa: removed unused declarations of pxa_gpio_* in hardware.h

pxa_gpio_{get,set}_value() are not used anymore, remove them from hardware.h.
Declaration of pxa_gpio_mode() is still being referenced and thus moved into
pxa2xx-gpio.h

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: use <linux/gpio.h> instead of unnecessary <mach/gpio.h>
Eric Miao [Tue, 25 Nov 2008 03:03:03 +0000 (11:03 +0800)]
[ARM] pxa: use <linux/gpio.h> instead of unnecessary <mach/gpio.h>

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: add support for additional GPIOs on PXA26x
Eric Miao [Wed, 26 Nov 2008 10:12:04 +0000 (18:12 +0800)]
[ARM] pxa: add support for additional GPIOs on PXA26x

Original patch from Marek Vasut, the problems with PXA26x are:

1. there are additional 4 GPIOs 86,87,88,89 have their direction bits
   inverted in GPDR2, as well as their alternate function bits being
   '1' for their GPIO functionality in GAFRx

2. there is no easy way to decide if the processor is a pxa26x or a
   pxa250/pxa255 at run-time, so the assumption here is the pxa26x
   will be treated as one of the pxa25x variants, and board code
   should have a better knowledge of the processor it is featured

Introduce pxa26x_init_irq() for the second purpose, and treat the
additional GPIOs > 85 on PXA25x specially.

Kconfig option CONFIG_CPU_PXA26x is introduced to optimize the code
a bit when PXA26x support isn't needed. Board config options have
to select this to enable the support for PXA26x.

__gpio_is_inverted() will be optimized way when CONFIG_CPU_PXA26x
isn't selected.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years agoRevert "[ARM] pxa: introduce cpu_is_pxa26x()"
Eric Miao [Wed, 26 Nov 2008 10:25:52 +0000 (18:25 +0800)]
Revert "[ARM] pxa: introduce cpu_is_pxa26x()"

This reverts commit da1a3dc0ebb4f9209a1939eaa6b18901e0cd7bc0.

The originally proposed way in the above commit is incorrect. And
there is no easy way to distinguish between pxa25x and pxa26x at
run-time.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: use 'pxa_last_gpio' instead of 'gpio_nr' in mfp-pxa2xx.c
Eric Miao [Wed, 26 Nov 2008 09:06:42 +0000 (17:06 +0800)]
[ARM] pxa: use 'pxa_last_gpio' instead of 'gpio_nr' in mfp-pxa2xx.c

The 'gpio_nr' can really be inferred by 'pxa_last_gpio', and since we
already have that variable, remove the unnecessary 'gpio_nr' now.

Also, fix the incorrect GPIO number passed in pxa27x_init_irq().

Note: pxa_last_gpio should be initialized earlier, and this is true
since it's been assigned in machine_desc->init_irq().

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: add muxed gpio wakeup sources on pxa2xx architectures
Robert Jarzmik [Thu, 13 Nov 2008 22:30:00 +0000 (23:30 +0100)]
[ARM] pxa: add muxed gpio wakeup sources on pxa2xx architectures

PXA SoC have several GPIOs muxed on only one wakeup source.
Add support for these wakeup sources which were missing
in mfp core support.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years ago[ARM] pxa: explicit #include <mach/dma.h> in various drivers
Eric Miao [Mon, 1 Dec 2008 03:43:08 +0000 (11:43 +0800)]
[ARM] pxa: explicit #include <mach/dma.h> in various drivers

Where 'pxa_dma_desc' and 'pxa_{request,free}_dma' are referenced.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
15 years agoLinux 2.6.28-rc7 v2.6.28-rc7
Linus Torvalds [Tue, 2 Dec 2008 03:59:23 +0000 (19:59 -0800)]
Linux 2.6.28-rc7

15 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Tue, 2 Dec 2008 03:56:34 +0000 (19:56 -0800)]
Merge branch 'for_linus' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (25 commits)
  em28xx: remove backward compat macro added on a previous fix
  V4L/DVB (9748): em28xx: fix compile warning
  V4L/DVB (9743): em28xx: fix oops audio
  V4L/DVB (9742): em28xx-alsa: implement another locking schema
  V4L/DVB (9732): sms1xxx: use new firmware for Hauppauge WinTV MiniStick
  V4L/DVB (9691): gspca: Move the video device to a separate area.
  V4L/DVB (9690): gspca: Lock the subdrivers via module_get/put.
  V4L/DVB (9689): gspca: Memory leak when disconnect while streaming.
  V4L/DVB (9668): em28xx: fix a race condition with hald
  V4L/DVB (9664): af9015: don't reconnect device in USB-bus
  V4L/DVB (9647): em28xx: void having two concurrent control URB's
  V4L/DVB (9646): em28xx: avoid allocating/dealocating memory on every control urb
  V4L/DVB (9645): em28xx: Avoid memory leaks if registration fails
  V4L/DVB (9639): Make dib0700 remote control support work with firmware v1.20
  V4L/DVB (9635): v4l: s2255drv fix firmware test on big-endian
  V4L/DVB (9634): Make sure the i2c gate is open before powering down tuner
  V4L/DVB (9632): make em28xx aux audio input work
  V4L/DVB (9631): Make s2api work for ATSC support
  V4L/DVB (9627): em28xx: Avoid i2c register error for boards without eeprom
  V4L/DVB (9608): Fix section mismatch warning for dm1105 during make
  ...

15 years agodrivers/gpu/drm/i915/i915_irq.c: fix warning
Andrew Morton [Mon, 1 Dec 2008 21:14:08 +0000 (13:14 -0800)]
drivers/gpu/drm/i915/i915_irq.c: fix warning

drivers/gpu/drm/i915/i915_irq.c: In function 'i915_disable_pipestat':
drivers/gpu/drm/i915/i915_irq.c:101: warning: control may reach end of non-void function 'i915_pipestat' being inlined

Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoi82875p_edac: fix module remove
Jarkko Lavinen [Mon, 1 Dec 2008 21:14:08 +0000 (13:14 -0800)]
i82875p_edac: fix module remove

Fix module removal bugs of i82875p_edac.  Also i82975x_edac code seems to
have the same module removal bugs as in i82875p_edac.

The problems were:

1. In module removal i82875p_remove_one() is never called.

   Variable i82875p_registered is newer changed from 1, which
   guarantees i82875p_remove_one() is not called (and even if it were
   called, it would be called in wrong order).

   As a result, the edac_mc workque is not stopped and keeps probing.
   If kernel debugging options are not enabled, user may not notice
   anything going wrong.

   if debugging options are enabled and I do "rmmod i82875p_edac", I
   get:

      edac debug: edac_pci_workq_function() checking
      BUG: unable to handle kernel paging request at f882d16f
      ...
      call trace:
       [<f8834df3>] ? edac_mc_workq_function+0x55/0x7e [edac_core]
       [<c0233974>] ? run_workqueue+0xd7/0x1a5
       [<c023392f>] ? run_workqueue+0x92/0x1a5
       [<f8834d9e>] ? edac_mc_workq_function+0x0/0x7e [edac_core]
       [<c0233af9>] ? worker_thread+0xb7/0xc3
       [<c0236a7b>] ? autoremove_wake_function+0x0/0x33
       [<c0233a42>] ? worker_thread+0x0/0xc3
       [<c0236809>] ? kthread+0x3b/0x61
       [<c02367ce>] ? kthread+0x0/0x61
       [<c0204587>] ? kernel_thread_helper+0x7/0x10

   Fix for this is to get rid of needles variable i82875p_registered
   altogether and run i82875p_remove_one() *before*
   pci_unregister_driver().

2. edac_mc_del_mc() uses mci after freeing mci

   edac_mc_del_mc() calls calls edac_remove_sysfs_mci_device().  The
   kobject refcount of mci drops to 0 and mci is freed.  After this
   mci is accessed via debug print and i82875p_remove_one() still
   uses mci->pvt and tries to free mci again with edac_mc_free().

   The fix for this is add kobject_get(&mci->edac_mci_kobj) after
   edac_mc_alloc(). Then the mci is still available after returning
   from edac_mc_del_mc() with refcount 1, and mci->pvt is still
   available. When i82875p_remove_one() finally calls edac_mc_free(),
   this will cause kobject_put() and mci is released properly.

Signed-off-by: Jarkko Lavinen <jlavi@iki.fi>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoi82875p_edac: fix overflow device resource setup
Jarkko Lavinen [Mon, 1 Dec 2008 21:14:06 +0000 (13:14 -0800)]
i82875p_edac: fix overflow device resource setup

When I do "modprobe i82875p_edac" on my Asus P4C800 MB on kernels 2.6.26
or later, the module load fails due to BAR 0 collision.  On 2.6.25 the
module loads just fine.

The overflow device on the MB seems to be hidden and its resources are not
allocated at normal PCI bus init.  Log shows the missing resource problem:

  EDAC DEBUG: i82875p_probe1()
  PCI: 0000:00:06.0 reg 10 32bit mmio: [fecf0000fecf0fff]
  pci 0000:00:06.0: device not available because of BAR 0
[0xfecf0000-0xfecf0fff] collisions
  EDAC i82875p: i82875p_setup_overfl_dev(): Failed to enable overflow
device

The patch below fixes this by calling pci_bus_assign_resources() after
the overflow device is revealed and added to the bus. With this patch
I am again able to load and use the module.

Signed-off-by: Jarkko Lavinen <jlavi@iki.fi>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agofbdev: fix FB console blanking
Dmitry Baryshkov [Mon, 1 Dec 2008 21:14:05 +0000 (13:14 -0800)]
fbdev: fix FB console blanking

The commit aef7db4bd5a3b6068dfa05919a3d685199eed116 fixed the problem with
recursive locking in fb blanking code if blank is caused by user setting
the /sys/class/graphics/fb*/blank.  However this broke the fbcon timeout
blanking.

If you use a driver that defines ->fb_blank operation and at the same time
that driver relies on other driver (e.g.  backlight or lcd class) to blank
the screen, when the fbcon times out and tries to blank the fb, it will
call only fb driver blanker and won't notify the other driver.  Thus FB
output is disabled, but the screen isn't blanked.

Restore fbcon blanking and at the same time apply the proper fix for the
above problem: if fbcon_blank is called with FBINFO_FLAG_USEREVENT, we are
already called through notification from fb_blank, thus we don't have to
blank the fb again.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>