+
List of maintainers and how to submit kernel changes
Please try to follow the guidelines below. This will make things
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://wiki.analog.com/
S: Supported
+ F: sound/soc/codecs/adau*
+ F: sound/soc/codecs/adav*
F: sound/soc/codecs/ad1*
F: sound/soc/codecs/ssm*
F: arch/arm/lib/floppydma.S
F: arch/arm/include/asm/floppy.h
+ARM PMU PROFILING AND DEBUGGING
+M: Will Deacon <will.deacon@arm.com>
+S: Maintained
+F: arch/arm/kernel/perf_event*
+F: arch/arm/oprofile/common.c
+F: arch/arm/kernel/pmu.c
+F: arch/arm/include/asm/pmu.h
+F: arch/arm/kernel/hw_breakpoint.c
+F: arch/arm/include/asm/hw_breakpoint.h
+
ARM PORT
M: Russell King <linux@arm.linux.org.uk>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
F: include/linux/cfag12864b.h
AVR32 ARCHITECTURE
-M: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
+M: Haavard Skinnemoen <hskinnemoen@gmail.com>
+M: Hans-Christian Egtvedt <egtvedt@samfundet.no>
W: http://www.atmel.com/products/AVR32/
W: http://avr32linux.org/
W: http://avrfreaks.net/
-S: Supported
+S: Maintained
F: arch/avr32/
AVR32/AT32AP MACHINE SUPPORT
-M: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
-S: Supported
+M: Haavard Skinnemoen <hskinnemoen@gmail.com>
+M: Hans-Christian Egtvedt <egtvedt@samfundet.no>
+S: Maintained
F: arch/avr32/mach-at32ap/
AX.25 NETWORK LAYER
BATMAN ADVANCED
M: Marek Lindner <lindner_marek@yahoo.de>
M: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
-M: Sven Eckelmann <sven@narfation.org>
L: b.a.t.m.a.n@lists.open-mesh.org
W: http://www.open-mesh.org/
S: Maintained
F: arch/blackfin/
BLACKFIN EMAC DRIVER
-M: Michael Hennerich <michael.hennerich@analog.com>
L: uclinux-dist-devel@blackfin.uclinux.org
W: http://blackfin.uclinux.org
S: Supported
M: Oliver Hartkopp <socketcan@hartkopp.net>
M: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
M: Urs Thuermann <urs.thuermann@volkswagen.de>
-L: socketcan-core@lists.berlios.de
+L: socketcan-core@lists.berlios.de (subscribers-only)
L: netdev@vger.kernel.org
W: http://developer.berlios.de/projects/socketcan/
S: Maintained
CAN NETWORK DRIVERS
M: Wolfgang Grandegger <wg@grandegger.com>
-L: socketcan-core@lists.berlios.de
+L: socketcan-core@lists.berlios.de (subscribers-only)
L: netdev@vger.kernel.org
W: http://developer.berlios.de/projects/socketcan/
S: Maintained
F: drivers/net/enic/
CIRRUS LOGIC EP93XX ETHERNET DRIVER
-M: Lennert Buytenhek <kernel@wantstofly.org>
+M: Hartley Sweeten <hsweeten@visionengravers.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/arm/ep93xx_eth.c
W: http://www.codemonkey.org.uk/projects/cpufreq/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq.git
S: Maintained
-F: arch/x86/kernel/cpu/cpufreq/
F: drivers/cpufreq/
F: include/linux/cpufreq.h
DOCUMENTATION
M: Randy Dunlap <rdunlap@xenotime.net>
L: linux-doc@vger.kernel.org
-T: quilt oss.oracle.com/~rdunlap/kernel-doc-patches/current/
+T: quilt http://userweb.kernel.org/~rdunlap/kernel-doc-patches/current/
S: Maintained
F: Documentation/
EBTABLES
M: Bart De Schuymer <bart.de.schuymer@pandora.be>
-L: ebtables-user@lists.sourceforge.net
-L: ebtables-devel@lists.sourceforge.net
+L: netfilter-devel@vger.kernel.org
W: http://ebtables.sourceforge.net/
S: Maintained
F: include/linux/netfilter_bridge/ebt_*.h
F: drivers/net/ipg.*
IPATH DRIVER
-M: Ralph Campbell <infinipath@qlogic.com>
+M: Mike Marciniszyn <infinipath@qlogic.com>
L: linux-rdma@vger.kernel.org
-T: git git://git.qlogic.com/ipath-linux-2.6
-S: Supported
+S: Maintained
F: drivers/infiniband/hw/ipath/
IPMI SUBSYSTEM
F: drivers/leds/
F: include/linux/leds.h
+LEGACY EEPROM DRIVER
+M: Jean Delvare <khali@linux-fr.org>
+S: Maintained
+F: Documentation/misc-devices/eeprom
+F: drivers/misc/eeprom/eeprom.c
+
LEGO USB Tower driver
M: Juergen Stuber <starblue@users.sourceforge.net>
L: legousb-devel@lists.sourceforge.net
F: mm/
MEMORY RESOURCE CONTROLLER
-M: Balbir Singh <balbir@linux.vnet.ibm.com>
+M: Balbir Singh <bsingharora@gmail.com>
M: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
M: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
L: linux-mm@kvack.org
F: include/linux/mmc/
MULTIMEDIA CARD (MMC) ETC. OVER SPI
-M: David Brownell <dbrownell@users.sourceforge.net>
-S: Odd Fixes
+S: Orphan
F: drivers/mmc/host/mmc_spi.c
F: include/linux/spi/mmc_spi.h
F: drivers/usb/musb/
MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE)
+M: Jon Mason <mason@myri.com>
M: Andrew Gallatin <gallatin@myri.com>
-M: Brice Goglin <brice@myri.com>
L: netdev@vger.kernel.org
W: http://www.myri.com/scs/download-Myri10GE.html
S: Supported
F: drivers/mmc/host/omap.c
OMAP HS MMC SUPPORT
-M: Madhusudhan Chikkature <madhu.cr@ti.com>
L: linux-omap@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/mmc/host/omap_hsmmc.c
OMAP RANDOM NUMBER GENERATOR SUPPORT
OMAP USB SUPPORT
M: Felipe Balbi <balbi@ti.com>
-M: David Brownell <dbrownell@users.sourceforge.net>
L: linux-usb@vger.kernel.org
L: linux-omap@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
F: arch/*/include/asm/percpu.h
PER-TASK DELAY ACCOUNTING
-M: Balbir Singh <balbir@linux.vnet.ibm.com>
+M: Balbir Singh <bsingharora@gmail.com>
S: Maintained
F: include/linux/delayacct.h
F: kernel/delayacct.c
F: drivers/input/serio/i8042-unicore32io.h
F: drivers/i2c/busses/i2c-puv3.c
F: drivers/video/fb-puv3.c
+F: drivers/rtc/rtc-puv3.c
PMC SIERRA MaxRAID DRIVER
M: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
PNP SUPPORT
M: Adam Belay <abelay@mit.edu>
-M: Bjorn Helgaas <bjorn.helgaas@hp.com>
+M: Bjorn Helgaas <bhelgaas@google.com>
S: Maintained
F: drivers/pnp/
L: rtc-linux@googlegroups.com
S: Maintained
+QIB DRIVER
+M: Mike Marciniszyn <infinipath@qlogic.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+F: drivers/infiniband/hw/qib/
+
QLOGIC QLA1280 SCSI DRIVER
M: Michael Reed <mdr@sgi.com>
L: linux-scsi@vger.kernel.org
F: drivers/net/qlcnic/
QLOGIC QLGE 10Gb ETHERNET DRIVER
+M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
M: Ron Mercer <ron.mercer@qlogic.com>
M: linux-driver@qlogic.com
L: netdev@vger.kernel.org
F: drivers/staging/tty/specialix*
SPI SUBSYSTEM
-M: David Brownell <dbrownell@users.sourceforge.net>
M: Grant Likely <grant.likely@secretlab.ca>
L: spi-devel-general@lists.sourceforge.net
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
F: Documentation/target/
TASKSTATS STATISTICS INTERFACE
-M: Balbir Singh <balbir@linux.vnet.ibm.com>
+M: Balbir Singh <bsingharora@gmail.com>
S: Maintained
F: Documentation/accounting/taskstats*
F: include/linux/taskstats*
F: include/linux/toshiba.h
TMIO MMC DRIVER
+M: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
M: Ian Molton <ian@mnementh.co.uk>
+L: linux-mmc@vger.kernel.org
S: Maintained
-F: drivers/mmc/host/tmio_mmc.*
+F: drivers/mmc/host/tmio_mmc*
+F: drivers/mmc/host/sh_mobile_sdhi.c
+F: include/linux/mmc/tmio.h
+F: include/linux/mmc/sh_mobile_sdhi.h
TMPFS (SHMEM FILESYSTEM)
M: Hugh Dickins <hughd@google.com>
UBI FILE SYSTEM (UBIFS)
M: Artem Bityutskiy <dedekind1@gmail.com>
-M: Adrian Hunter <adrian.hunter@nokia.com>
+M: Adrian Hunter <adrian.hunter@intel.com>
L: linux-mtd@lists.infradead.org
T: git git://git.infradead.org/ubifs-2.6.git
W: http://www.linux-mtd.infradead.org/doc/ubifs.html
F: drivers/usb/misc/rio500*
USB EHCI DRIVER
-M: David Brownell <dbrownell@users.sourceforge.net>
+M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
-S: Odd Fixes
+S: Maintained
F: Documentation/usb/ehci.txt
F: drivers/usb/host/ehci*
F: drivers/media/video/et61x251/
USB GADGET/PERIPHERAL SUBSYSTEM
-M: David Brownell <dbrownell@users.sourceforge.net>
+M: Felipe Balbi <balbi@ti.com>
L: linux-usb@vger.kernel.org
W: http://www.linux-usb.org/gadget
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
S: Maintained
F: drivers/usb/gadget/
F: include/linux/usb/gadget*
L: linux-usb@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
S: Maintained
-F: Documentation/usb/hiddev.txt
+F: Documentation/hid/hiddev.txt
F: drivers/hid/usbhid/
+USB/IP DRIVERS
+M: Matt Mooney <mfm@muteddisk.com>
+L: linux-usb@vger.kernel.org
+S: Maintained
+F: drivers/staging/usbip/
+
USB ISP116X DRIVER
M: Olav Kongas <ok@artecdesign.ee>
L: linux-usb@vger.kernel.org
F: sound/usb/midi.*
USB OHCI DRIVER
-M: David Brownell <dbrownell@users.sourceforge.net>
+M: Alan Stern <stern@rowland.harvard.edu>
L: linux-usb@vger.kernel.org
-S: Odd Fixes
+S: Maintained
F: Documentation/usb/ohci.txt
F: drivers/usb/host/ohci*
F: Documentation/filesystems/vfat.txt
F: fs/fat/
+VIDEOBUF2 FRAMEWORK
+M: Pawel Osciak <pawel@osciak.com>
+M: Marek Szyprowski <m.szyprowski@samsung.com>
+M: Kyungmin Park <kyungmin.park@samsung.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/media/video/videobuf2-*
+F: include/media/videobuf2-*
+
VIRTIO CONSOLE DRIVER
M: Amit Shah <amit.shah@redhat.com>
L: virtualization@lists.linux-foundation.org
S: Maintained
F: drivers/platform/x86
+X86 MCE INFRASTRUCTURE
+M: Tony Luck <tony.luck@intel.com>
+M: Borislav Petkov <bp@amd64.org>
+L: linux-edac@vger.kernel.org
+S: Maintained
+F: arch/x86/kernel/cpu/mcheck/*
+
XEN HYPERVISOR INTERFACE
M: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/slab.h>
+#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
#include <sound/core.h>
struct ep93xx_runtime_data
{
- struct ep93xx_dma_m2p_client cl;
- struct ep93xx_pcm_dma_params *params;
int pointer_bytes;
- struct tasklet_struct period_tasklet;
int periods;
- struct ep93xx_dma_buffer buf[32];
+ int period_bytes;
+ struct dma_chan *dma_chan;
+ struct ep93xx_dma_data dma_data;
};
-static void ep93xx_pcm_period_elapsed(unsigned long data)
+static void ep93xx_pcm_dma_callback(void *data)
{
- struct snd_pcm_substream *substream = (struct snd_pcm_substream *)data;
- snd_pcm_period_elapsed(substream);
-}
+ struct snd_pcm_substream *substream = data;
+ struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
-static void ep93xx_pcm_buffer_started(void *cookie,
- struct ep93xx_dma_buffer *buf)
-{
+ rtd->pointer_bytes += rtd->period_bytes;
+ rtd->pointer_bytes %= rtd->period_bytes * rtd->periods;
+
+ snd_pcm_period_elapsed(substream);
}
-static void ep93xx_pcm_buffer_finished(void *cookie,
- struct ep93xx_dma_buffer *buf,
- int bytes, int error)
+static bool ep93xx_pcm_dma_filter(struct dma_chan *chan, void *filter_param)
{
- struct snd_pcm_substream *substream = cookie;
- struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
-
- if (buf == rtd->buf + rtd->periods - 1)
- rtd->pointer_bytes = 0;
- else
- rtd->pointer_bytes += buf->size;
+ struct ep93xx_dma_data *data = filter_param;
- if (!error) {
- ep93xx_dma_m2p_submit_recursive(&rtd->cl, buf);
- tasklet_schedule(&rtd->period_tasklet);
- } else {
- snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ if (data->direction == ep93xx_dma_chan_direction(chan)) {
+ chan->private = data;
+ return true;
}
+
+ return false;
}
static int ep93xx_pcm_open(struct snd_pcm_substream *substream)
struct snd_soc_dai *cpu_dai = soc_rtd->cpu_dai;
struct ep93xx_pcm_dma_params *dma_params;
struct ep93xx_runtime_data *rtd;
+ dma_cap_mask_t mask;
int ret;
- dma_params = snd_soc_dai_get_dma_data(cpu_dai, substream);
+ ret = snd_pcm_hw_constraint_integer(substream->runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ return ret;
+
snd_soc_set_runtime_hwparams(substream, &ep93xx_pcm_hardware);
rtd = kmalloc(sizeof(*rtd), GFP_KERNEL);
if (!rtd)
return -ENOMEM;
- memset(&rtd->period_tasklet, 0, sizeof(rtd->period_tasklet));
- rtd->period_tasklet.func = ep93xx_pcm_period_elapsed;
- rtd->period_tasklet.data = (unsigned long)substream;
-
- rtd->cl.name = dma_params->name;
- rtd->cl.flags = dma_params->dma_port | EP93XX_DMA_M2P_IGNORE_ERROR |
- ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
- EP93XX_DMA_M2P_TX : EP93XX_DMA_M2P_RX);
- rtd->cl.cookie = substream;
- rtd->cl.buffer_started = ep93xx_pcm_buffer_started;
- rtd->cl.buffer_finished = ep93xx_pcm_buffer_finished;
- ret = ep93xx_dma_m2p_client_register(&rtd->cl);
- if (ret < 0) {
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
+ dma_cap_set(DMA_CYCLIC, mask);
+
+ dma_params = snd_soc_dai_get_dma_data(cpu_dai, substream);
+ rtd->dma_data.port = dma_params->dma_port;
+ rtd->dma_data.name = dma_params->name;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ rtd->dma_data.direction = DMA_TO_DEVICE;
+ else
+ rtd->dma_data.direction = DMA_FROM_DEVICE;
+
+ rtd->dma_chan = dma_request_channel(mask, ep93xx_pcm_dma_filter,
+ &rtd->dma_data);
+ if (!rtd->dma_chan) {
kfree(rtd);
- return ret;
+ return -EINVAL;
}
substream->runtime->private_data = rtd;
{
struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
- ep93xx_dma_m2p_client_unregister(&rtd->cl);
+ dma_release_channel(rtd->dma_chan);
kfree(rtd);
return 0;
}
+static int ep93xx_pcm_dma_submit(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct ep93xx_runtime_data *rtd = runtime->private_data;
+ struct dma_chan *chan = rtd->dma_chan;
+ struct dma_device *dma_dev = chan->device;
+ struct dma_async_tx_descriptor *desc;
+
+ rtd->pointer_bytes = 0;
+ desc = dma_dev->device_prep_dma_cyclic(chan, runtime->dma_addr,
+ rtd->period_bytes * rtd->periods,
+ rtd->period_bytes,
+ rtd->dma_data.direction);
+ if (!desc)
+ return -EINVAL;
+
+ desc->callback = ep93xx_pcm_dma_callback;
+ desc->callback_param = substream;
+
+ dmaengine_submit(desc);
+ return 0;
+}
+
+static void ep93xx_pcm_dma_flush(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct ep93xx_runtime_data *rtd = runtime->private_data;
+
+ dmaengine_terminate_all(rtd->dma_chan);
+}
+
static int ep93xx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct ep93xx_runtime_data *rtd = runtime->private_data;
- size_t totsize = params_buffer_bytes(params);
- size_t period = params_period_bytes(params);
- int i;
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
- runtime->dma_bytes = totsize;
-
- rtd->periods = (totsize + period - 1) / period;
- for (i = 0; i < rtd->periods; i++) {
- rtd->buf[i].bus_addr = runtime->dma_addr + (i * period);
- rtd->buf[i].size = period;
- if ((i + 1) * period > totsize)
- rtd->buf[i].size = totsize - (i * period);
- }
+ rtd->periods = params_periods(params);
+ rtd->period_bytes = params_period_bytes(params);
return 0;
}
static int ep93xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
- struct ep93xx_runtime_data *rtd = substream->runtime->private_data;
int ret;
- int i;
ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- rtd->pointer_bytes = 0;
- for (i = 0; i < rtd->periods; i++)
- ep93xx_dma_m2p_submit(&rtd->cl, rtd->buf + i);
+ ret = ep93xx_pcm_dma_submit(substream);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- ep93xx_dma_m2p_flush(&rtd->cl);
+ ep93xx_pcm_dma_flush(substream);
break;
default:
static u64 ep93xx_pcm_dmamask = 0xffffffff;
- static int ep93xx_pcm_new(struct snd_card *card, struct snd_soc_dai *dai,
- struct snd_pcm *pcm)
+ static int ep93xx_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_soc_dai *dai = rtd->cpu_dai;
+ struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->dma_mask)
git.openpandora.org / pandora-kernel.git / commitdiff