From 06bfb7eb1535822a3338ffea9918e22215abed90 Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Sat, 18 Aug 2007 12:56:21 +0200 Subject: Add some help texts to recently-introduced kconfig items Signed-off-by: Jan Engelhardt Signed-off-by: Stefan Richter (edited MACINTOSH_DRIVERS per Geert Uytterhoeven's remark) Signed-off-by: Linus Torvalds --- drivers/macintosh/Kconfig | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/macintosh') diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index dbe9626..56cd899 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -3,6 +3,11 @@ menuconfig MACINTOSH_DRIVERS bool "Macintosh device drivers" depends on PPC || MAC || X86 default y if (PPC_PMAC || MAC) + ---help--- + Say Y here to get to see options for devices used with Macintosh + computers. This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and disabled. if MACINTOSH_DRIVERS -- cgit v1.1 From 0d5e74fc7f44b1cdcd793496877c67a2a7a32a1e Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 22 Aug 2007 14:01:31 -0700 Subject: remove dead code in via-pmu68k When suspend is ever implemented for pmu68k it really should follow the generic pm_ops concept and not mirror the platform-specific /dev/pmu device with ioctls on it. Hence, this patch removes the unused code there; should the implementers need it they can look at via-pmu.c and/or the history of the file. Signed-off-by: Johannes Berg Signed-off-by: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/macintosh/via-pmu68k.c | 240 ----------------------------------------- 1 file changed, 240 deletions(-) (limited to 'drivers/macintosh') diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c index dfdf11c..e2f84da 100644 --- a/drivers/macintosh/via-pmu68k.c +++ b/drivers/macintosh/via-pmu68k.c @@ -818,243 +818,3 @@ pmu_present(void) { return (pmu_kind != PMU_UNKNOWN); } - -#if 0 /* needs some work for 68K */ - -/* - * This struct is used to store config register values for - * PCI devices which may get powered off when we sleep. - */ -static struct pci_save { - u16 command; - u16 cache_lat; - u16 intr; -} *pbook_pci_saves; -static int n_pbook_pci_saves; - -static inline void -pbook_pci_save(void) -{ - int npci; - struct pci_dev *pd = NULL; - struct pci_save *ps; - - npci = 0; - while ((pd = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) - ++npci; - n_pbook_pci_saves = npci; - if (npci == 0) - return; - ps = kmalloc(npci * sizeof(*ps), GFP_KERNEL); - pbook_pci_saves = ps; - if (ps == NULL) - return; - - pd = NULL; - while ((pd = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) { - pci_read_config_word(pd, PCI_COMMAND, &ps->command); - pci_read_config_word(pd, PCI_CACHE_LINE_SIZE, &ps->cache_lat); - pci_read_config_word(pd, PCI_INTERRUPT_LINE, &ps->intr); - ++ps; - --npci; - } -} - -static inline void -pbook_pci_restore(void) -{ - u16 cmd; - struct pci_save *ps = pbook_pci_saves; - struct pci_dev *pd = NULL; - int j; - - while ((pd = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pd)) != NULL) { - if (ps->command == 0) - continue; - pci_read_config_word(pd, PCI_COMMAND, &cmd); - if ((ps->command & ~cmd) == 0) - continue; - switch (pd->hdr_type) { - case PCI_HEADER_TYPE_NORMAL: - for (j = 0; j < 6; ++j) - pci_write_config_dword(pd, - PCI_BASE_ADDRESS_0 + j*4, - pd->resource[j].start); - pci_write_config_dword(pd, PCI_ROM_ADDRESS, - pd->resource[PCI_ROM_RESOURCE].start); - pci_write_config_word(pd, PCI_CACHE_LINE_SIZE, - ps->cache_lat); - pci_write_config_word(pd, PCI_INTERRUPT_LINE, - ps->intr); - pci_write_config_word(pd, PCI_COMMAND, ps->command); - break; - /* other header types not restored at present */ - } - } -} - -/* - * Put the powerbook to sleep. - */ -#define IRQ_ENABLE ((unsigned int *)0xf3000024) -#define MEM_CTRL ((unsigned int *)0xf8000070) - -int powerbook_sleep(void) -{ - int ret, i, x; - static int save_backlight; - static unsigned int save_irqen; - unsigned long msr; - unsigned int hid0; - unsigned long p, wait; - struct adb_request sleep_req; - - /* Notify device drivers */ - ret = blocking_notifier_call_chain(&sleep_notifier_list, - PBOOK_SLEEP, NULL); - if (ret & NOTIFY_STOP_MASK) - return -EBUSY; - - /* Sync the disks. */ - /* XXX It would be nice to have some way to ensure that - * nobody is dirtying any new buffers while we wait. */ - sys_sync(); - - /* Turn off the display backlight */ - save_backlight = backlight_enabled; - if (save_backlight) - pmu_enable_backlight(0); - - /* Give the disks a little time to actually finish writing */ - for (wait = jiffies + (HZ/4); time_before(jiffies, wait); ) - mb(); - - /* Disable all interrupts except pmu */ - save_irqen = in_le32(IRQ_ENABLE); - for (i = 0; i < 32; ++i) - if (i != vias->intrs[0].line && (save_irqen & (1 << i))) - disable_irq(i); - asm volatile("mtdec %0" : : "r" (0x7fffffff)); - - /* Save the state of PCI config space for some slots */ - pbook_pci_save(); - - /* Set the memory controller to keep the memory refreshed - while we're asleep */ - for (i = 0x403f; i >= 0x4000; --i) { - out_be32(MEM_CTRL, i); - do { - x = (in_be32(MEM_CTRL) >> 16) & 0x3ff; - } while (x == 0); - if (x >= 0x100) - break; - } - - /* Ask the PMU to put us to sleep */ - pmu_request(&sleep_req, NULL, 5, PMU_SLEEP, 'M', 'A', 'T', 'T'); - while (!sleep_req.complete) - mb(); - /* displacement-flush the L2 cache - necessary? */ - for (p = KERNELBASE; p < KERNELBASE + 0x100000; p += 0x1000) - i = *(volatile int *)p; - asleep = 1; - - /* Put the CPU into sleep mode */ - asm volatile("mfspr %0,1008" : "=r" (hid0) :); - hid0 = (hid0 & ~(HID0_NAP | HID0_DOZE)) | HID0_SLEEP; - asm volatile("mtspr 1008,%0" : : "r" (hid0)); - local_save_flags(msr); - msr |= MSR_POW | MSR_EE; - local_irq_restore(msr); - udelay(10); - - /* OK, we're awake again, start restoring things */ - out_be32(MEM_CTRL, 0x3f); - pbook_pci_restore(); - - /* wait for the PMU interrupt sequence to complete */ - while (asleep) - mb(); - - /* reenable interrupts */ - for (i = 0; i < 32; ++i) - if (i != vias->intrs[0].line && (save_irqen & (1 << i))) - enable_irq(i); - - /* Notify drivers */ - blocking_notifier_call_chain(&sleep_notifier_list, PBOOK_WAKE, NULL); - - /* reenable ADB autopoll */ - pmu_adb_autopoll(adb_dev_map); - - /* Turn on the screen backlight, if it was on before */ - if (save_backlight) - pmu_enable_backlight(1); - - /* Wait for the hard disk to spin up */ - - return 0; -} - -/* - * Support for /dev/pmu device - */ -static int pmu_open(struct inode *inode, struct file *file) -{ - return 0; -} - -static ssize_t pmu_read(struct file *file, char *buf, - size_t count, loff_t *ppos) -{ - return 0; -} - -static ssize_t pmu_write(struct file *file, const char *buf, - size_t count, loff_t *ppos) -{ - return 0; -} - -static int pmu_ioctl(struct inode * inode, struct file *filp, - u_int cmd, u_long arg) -{ - int error; - __u32 value; - - switch (cmd) { - case PMU_IOC_SLEEP: - return -ENOSYS; - case PMU_IOC_GET_BACKLIGHT: - return put_user(backlight_level, (__u32 *)arg); - case PMU_IOC_SET_BACKLIGHT: - error = get_user(value, (__u32 *)arg); - if (!error) - pmu_set_brightness(value); - return error; - case PMU_IOC_GET_MODEL: - return put_user(pmu_kind, (__u32 *)arg); - } - return -EINVAL; -} - -static const struct file_operations pmu_device_fops = { - .read = pmu_read, - .write = pmu_write, - .ioctl = pmu_ioctl, - .open = pmu_open, -}; - -static struct miscdevice pmu_device = { - PMU_MINOR, "pmu", &pmu_device_fops -}; - -void pmu_device_init(void) -{ - if (!via) - return; - if (misc_register(&pmu_device) < 0) - printk(KERN_ERR "via-pmu68k: cannot register misc device.\n"); -} -#endif /* CONFIG_PMAC_PBOOK */ - -- cgit v1.1 From 2301060e2b19aa4830060524ef66abdf32b26a26 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 22 Aug 2007 14:01:35 -0700 Subject: m68k/mac: Make mac_hid_mouse_emulate_buttons() declaration visible m68k/mac: Make mac_hid_mouse_emulate_buttons() declaration visible drivers/char/keyboard.c: In function 'kbd_keycode': drivers/char/keyboard.c:1142: error: implicit declaration of function 'mac_hid_mouse_emulate_buttons' The forward declaration of mac_hid_mouse_emulate_buttons() is not visible on m68k because it's hidden in the middle of a big #ifdef block. Move it to , correct the type of the second parameter, and include where needed. Signed-off-by: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/macintosh/mac_hid.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/macintosh') diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c index 76c1e8e..33dee3a 100644 --- a/drivers/macintosh/mac_hid.c +++ b/drivers/macintosh/mac_hid.c @@ -13,6 +13,7 @@ #include #include #include +#include static struct input_dev *emumousebtn; -- cgit v1.1 From e120e8d03a263cf75f2abc0f8b3a03a65cfd3b88 Mon Sep 17 00:00:00 2001 From: Olaf Hering Date: Sat, 25 Aug 2007 05:42:01 +1000 Subject: [POWERPC] Fix undefined reference to device_power_up/resume Current Linus tree fails to link on pmac32: drivers/built-in.o: In function `pmac_wakeup_devices': via-pmu.c:(.text+0x5bab4): undefined reference to `device_power_up' via-pmu.c:(.text+0x5bb08): undefined reference to `device_resume' drivers/built-in.o: In function `pmac_suspend_devices': via-pmu.c:(.text+0x5c260): undefined reference to `device_power_down' via-pmu.c:(.text+0x5c27c): undefined reference to `device_resume' make[1]: *** [.tmp_vmlinux1] Error 1 changing CONFIG_PM > CONFIG_PM_SLEEP leads to: drivers/built-in.o: In function `pmu_led_set': via-pmu-led.c:(.text+0x5cdca): undefined reference to `pmu_sys_suspended' via-pmu-led.c:(.text+0x5cdce): undefined reference to `pmu_sys_suspended' drivers/built-in.o: In function `pmu_req_done': via-pmu-led.c:(.text+0x5ce3e): undefined reference to `pmu_sys_suspended' via-pmu-led.c:(.text+0x5ce42): undefined reference to `pmu_sys_suspended' drivers/built-in.o: In function `adb_init': (.init.text+0x4c5c): undefined reference to `pmu_register_sleep_notifier' make[1]: *** [.tmp_vmlinux1] Error 1 So change even more places from PM to PM_SLEEP to allow linking. Signed-off-by: Olaf Hering Signed-off-by: Paul Mackerras --- drivers/macintosh/adb.c | 4 ++-- drivers/macintosh/via-pmu.c | 34 +++++++++++++++++----------------- 2 files changed, 19 insertions(+), 19 deletions(-) (limited to 'drivers/macintosh') diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index bc77c5e..5c742a5 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -89,7 +89,7 @@ static int sleepy_trackpad; static int autopoll_devs; int __adb_probe_sync; -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static void adb_notify_sleep(struct pmu_sleep_notifier *self, int when); static struct pmu_sleep_notifier adb_sleep_notifier = { adb_notify_sleep, @@ -313,7 +313,7 @@ int __init adb_init(void) printk(KERN_WARNING "Warning: no ADB interface detected\n"); adb_controller = NULL; } else { -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP pmu_register_sleep_notifier(&adb_sleep_notifier); #endif /* CONFIG_PM */ #ifdef CONFIG_PPC diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 157080b..04f3973 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -152,10 +152,10 @@ static spinlock_t pmu_lock; static u8 pmu_intr_mask; static int pmu_version; static int drop_interrupts; -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) static int option_lid_wakeup = 1; -#endif /* CONFIG_PM && CONFIG_PPC32 */ -#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY) +#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ +#if (defined(CONFIG_PM_SLEEP)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY) static int sleep_in_progress; #endif static unsigned long async_req_locks; @@ -875,7 +875,7 @@ proc_read_options(char *page, char **start, off_t off, { char *p = page; -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) if (pmu_kind == PMU_KEYLARGO_BASED && pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0) p += sprintf(p, "lid_wakeup=%d\n", option_lid_wakeup); @@ -916,7 +916,7 @@ proc_write_options(struct file *file, const char __user *buffer, *(val++) = 0; while(*val == ' ') val++; -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) if (pmu_kind == PMU_KEYLARGO_BASED && pmac_call_feature(PMAC_FTR_SLEEP_STATE,NULL,0,-1) >= 0) if (!strcmp(label, "lid_wakeup")) @@ -1738,7 +1738,7 @@ pmu_present(void) return via != 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static LIST_HEAD(sleep_notifiers); @@ -1769,9 +1769,9 @@ pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* n) return 0; } EXPORT_SYMBOL(pmu_unregister_sleep_notifier); -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) /* Sleep is broadcast last-to-first */ static void broadcast_sleep(int when) @@ -2390,7 +2390,7 @@ powerbook_sleep_3400(void) return 0; } -#endif /* CONFIG_PM && CONFIG_PPC32 */ +#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ /* * Support for /dev/pmu device @@ -2573,7 +2573,7 @@ pmu_ioctl(struct inode * inode, struct file *filp, int error = -EINVAL; switch (cmd) { -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) case PMU_IOC_SLEEP: if (!capable(CAP_SYS_ADMIN)) return -EACCES; @@ -2601,7 +2601,7 @@ pmu_ioctl(struct inode * inode, struct file *filp, return put_user(0, argp); else return put_user(1, argp); -#endif /* CONFIG_PM && CONFIG_PPC32 */ +#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ #ifdef CONFIG_PMAC_BACKLIGHT_LEGACY /* Compatibility ioctl's for backlight */ @@ -2757,7 +2757,7 @@ pmu_polled_request(struct adb_request *req) * to do suspend-to-disk. */ -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) int pmu_sys_suspended; @@ -2792,7 +2792,7 @@ static int pmu_sys_resume(struct sys_device *sysdev) return 0; } -#endif /* CONFIG_PM && CONFIG_PPC32 */ +#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ static struct sysdev_class pmu_sysclass = { set_kset_name("pmu"), @@ -2803,10 +2803,10 @@ static struct sys_device device_pmu = { }; static struct sysdev_driver driver_pmu = { -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) .suspend = &pmu_sys_suspend, .resume = &pmu_sys_resume, -#endif /* CONFIG_PM && CONFIG_PPC32 */ +#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ }; static int __init init_pmu_sysfs(void) @@ -2841,10 +2841,10 @@ EXPORT_SYMBOL(pmu_wait_complete); EXPORT_SYMBOL(pmu_suspend); EXPORT_SYMBOL(pmu_resume); EXPORT_SYMBOL(pmu_unlock); -#if defined(CONFIG_PM) && defined(CONFIG_PPC32) +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PPC32) EXPORT_SYMBOL(pmu_enable_irled); EXPORT_SYMBOL(pmu_battery_count); EXPORT_SYMBOL(pmu_batteries); EXPORT_SYMBOL(pmu_power_flags); -#endif /* CONFIG_PM && CONFIG_PPC32 */ +#endif /* CONFIG_PM_SLEEP && CONFIG_PPC32 */ -- cgit v1.1