From 8d5987a6e17fa36776a0c9964db0f24c3d070862 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sun, 4 Sep 2005 01:41:38 -0500 Subject: [PATCH] Input: make i8042_platform_init return 'real' error code Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042-io.h | 6 +++--- drivers/input/serio/i8042-ip22io.h | 2 +- drivers/input/serio/i8042-jazzio.h | 2 +- drivers/input/serio/i8042-sparcio.h | 12 ++++++------ drivers/input/serio/i8042-x86ia64io.h | 22 ++++++++++++---------- drivers/input/serio/i8042.c | 5 +++-- 6 files changed, 26 insertions(+), 23 deletions(-) diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h index c9e633d21d90..9a9221644250 100644 --- a/drivers/input/serio/i8042-io.h +++ b/drivers/input/serio/i8042-io.h @@ -69,16 +69,16 @@ static inline int i8042_platform_init(void) */ #if !defined(__sh__) && !defined(__alpha__) && !defined(__mips__) && !defined(CONFIG_PPC64) if (!request_region(I8042_DATA_REG, 16, "i8042")) - return -1; + return -EBUSY; #endif i8042_reset = 1; #if defined(CONFIG_PPC64) if (check_legacy_ioport(I8042_DATA_REG)) - return -1; + return -EBUSY; if (!request_region(I8042_DATA_REG, 16, "i8042")) - return -1; + return -EBUSY; #endif return 0; } diff --git a/drivers/input/serio/i8042-ip22io.h b/drivers/input/serio/i8042-ip22io.h index 863b9c95fbb8..ee1ad27d6ed0 100644 --- a/drivers/input/serio/i8042-ip22io.h +++ b/drivers/input/serio/i8042-ip22io.h @@ -58,7 +58,7 @@ static inline int i8042_platform_init(void) #if 0 /* XXX sgi_kh is a virtual address */ if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042")) - return 1; + return -EBUSY; #endif i8042_reset = 1; diff --git a/drivers/input/serio/i8042-jazzio.h b/drivers/input/serio/i8042-jazzio.h index 5c20ab131488..13fd7108eb28 100644 --- a/drivers/input/serio/i8042-jazzio.h +++ b/drivers/input/serio/i8042-jazzio.h @@ -53,7 +53,7 @@ static inline int i8042_platform_init(void) #if 0 /* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */ if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042")) - return 1; + return -EBUSY; #endif return 0; diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h index da2a19812485..ed9446f6d7e3 100644 --- a/drivers/input/serio/i8042-sparcio.h +++ b/drivers/input/serio/i8042-sparcio.h @@ -48,10 +48,10 @@ static inline void i8042_write_command(int val) #define OBP_PS2MS_NAME1 "kdmouse" #define OBP_PS2MS_NAME2 "mouse" -static int i8042_platform_init(void) +static int __init i8042_platform_init(void) { #ifndef CONFIG_PCI - return -1; + return -ENODEV; #else char prop[128]; int len; @@ -59,14 +59,14 @@ static int i8042_platform_init(void) len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop)); if (len < 0) { printk("i8042: Cannot get name property of root OBP node.\n"); - return -1; + return -ENODEV; } if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) { /* Hardcoded values for MrCoffee. */ i8042_kbd_irq = i8042_aux_irq = 13 | 0x20; kbd_iobase = ioremap(0x71300060, 8); if (!kbd_iobase) - return -1; + return -ENODEV; } else { struct linux_ebus *ebus; struct linux_ebus_device *edev; @@ -78,7 +78,7 @@ static int i8042_platform_init(void) goto edev_found; } } - return -1; + return -ENODEV; edev_found: for_each_edevchild(edev, child) { @@ -96,7 +96,7 @@ static int i8042_platform_init(void) i8042_aux_irq == -1) { printk("i8042: Error, 8042 device lacks both kbd and " "mouse nodes.\n"); - return -1; + return -ENODEV; } } diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 03877c84e6ff..02bc23142ce0 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -256,7 +256,7 @@ static void i8042_pnp_exit(void) } } -static int i8042_pnp_init(void) +static int __init i8042_pnp_init(void) { int result_kbd, result_aux; @@ -322,25 +322,29 @@ static int i8042_pnp_init(void) return 0; } +#else +static inline int i8042_pnp_init(void) { return 0; } +static inline void i8042_pnp_exit(void) { } #endif -static inline int i8042_platform_init(void) +static int __init i8042_platform_init(void) { + int retval; + /* * On ix86 platforms touching the i8042 data register region can do really * bad things. Because of this the region is always reserved on ix86 boxes. * * if (!request_region(I8042_DATA_REG, 16, "i8042")) - * return -1; + * return -EBUSY; */ i8042_kbd_irq = I8042_MAP_IRQ(1); i8042_aux_irq = I8042_MAP_IRQ(12); -#ifdef CONFIG_PNP - if (i8042_pnp_init()) - return -1; -#endif + retval = i8042_pnp_init(); + if (retval) + return retval; #if defined(__ia64__) i8042_reset = 1; @@ -354,14 +358,12 @@ static inline int i8042_platform_init(void) i8042_nomux = 1; #endif - return 0; + return retval; } static inline void i8042_platform_exit(void) { -#ifdef CONFIG_PNP i8042_pnp_exit(); -#endif } #endif /* _I8042_X86IA64IO_H */ diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index f0d9c5f9cc36..2a76d08c4d3e 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -1066,8 +1066,9 @@ static int __init i8042_init(void) init_timer(&i8042_timer); i8042_timer.function = i8042_timer_func; - if (i8042_platform_init()) - return -EBUSY; + err = i8042_platform_init(); + if (err) + return err; i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ; i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ; -- 2.39.2