diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-24 08:02:58 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-24 08:02:58 -0700 |
commit | 064e297c324fff9b62226aae5dc468ebb272433c (patch) | |
tree | 49d031d180a30d6e94e4cfdcc46ec966399d8856 /arch/blackfin/kernel/bfin_gpio.c | |
parent | f13771187b9423b824f32518319f6da85d819003 (diff) | |
parent | db52ecc2953d932b2fc1c62e585231659edd1d98 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (30 commits)
Blackfin: SMP: fix continuation lines
Blackfin: acvilon: fix timeout usage for I2C
Blackfin: fix typo in BF537 IRQ comment
Blackfin: unify duplicate MEM_MT48LC32M8A2_75 kconfig options
Blackfin: set ARCH_KMALLOC_MINALIGN
Blackfin: use atomic kmalloc in L1 alloc so it too can be atomic
Blackfin: another year of changes (update copyright in boot log)
Blackfin: optimize strncpy a bit
Blackfin: isram: clean up ITEST_COMMAND macro and improve the selftests
Blackfin: move string functions to normal lib/ assembly
Blackfin: SIC: cut down on IAR MMR reads a bit
Blackfin: bf537-minotaur: fix build errors due to header changes
Blackfin: kgdb: pass up the CC register instead of a 0 stub
Blackfin: handle HW errors in the new "FAULT" printing code
Blackfin: show the whole accumulator in the pseudo DBG insn
Blackfin: support all possible registers in the pseudo instructions
Blackfin: add support for the DBG (debug output) pseudo insn
Blackfin: change the BUG opcode to an unused 16-bit opcode
Blackfin: allow NMI watchdog to be used w/RETN as a scratch reg
Blackfin: add support for the DBGA (debug assert) pseudo insn
...
Diffstat (limited to 'arch/blackfin/kernel/bfin_gpio.c')
-rw-r--r-- | arch/blackfin/kernel/bfin_gpio.c | 131 |
1 files changed, 12 insertions, 119 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index e35e20f00d9b..42833ee2b308 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -475,9 +475,7 @@ GET_GPIO_P(maskb) #ifdef CONFIG_PM - static unsigned short wakeup_map[GPIO_BANK_NUM]; -static unsigned char wakeup_flags_map[MAX_BLACKFIN_GPIOS]; static const unsigned int sic_iwr_irqs[] = { #if defined(BF533_FAMILY) @@ -514,112 +512,26 @@ static const unsigned int sic_iwr_irqs[] = { ************************************************************* * MODIFICATION HISTORY : **************************************************************/ -int gpio_pm_wakeup_request(unsigned gpio, unsigned char type) -{ - unsigned long flags; - - if ((check_gpio(gpio) < 0) || !type) - return -EINVAL; - - local_irq_save_hw(flags); - wakeup_map[gpio_bank(gpio)] |= gpio_bit(gpio); - wakeup_flags_map[gpio] = type; - local_irq_restore_hw(flags); - - return 0; -} -EXPORT_SYMBOL(gpio_pm_wakeup_request); - -void gpio_pm_wakeup_free(unsigned gpio) +int gpio_pm_wakeup_ctrl(unsigned gpio, unsigned ctrl) { unsigned long flags; if (check_gpio(gpio) < 0) - return; + return -EINVAL; local_irq_save_hw(flags); - - wakeup_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); - - local_irq_restore_hw(flags); -} -EXPORT_SYMBOL(gpio_pm_wakeup_free); - -static int bfin_gpio_wakeup_type(unsigned gpio, unsigned char type) -{ - port_setup(gpio, GPIO_USAGE); - set_gpio_dir(gpio, 0); - set_gpio_inen(gpio, 1); - - if (type & (PM_WAKE_RISING | PM_WAKE_FALLING)) - set_gpio_edge(gpio, 1); - else - set_gpio_edge(gpio, 0); - - if ((type & (PM_WAKE_BOTH_EDGES)) == (PM_WAKE_BOTH_EDGES)) - set_gpio_both(gpio, 1); + if (ctrl) + wakeup_map[gpio_bank(gpio)] |= gpio_bit(gpio); else - set_gpio_both(gpio, 0); - - if ((type & (PM_WAKE_FALLING | PM_WAKE_LOW))) - set_gpio_polar(gpio, 1); - else - set_gpio_polar(gpio, 0); + wakeup_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); - SSYNC(); - - return 0; -} - -u32 bfin_pm_standby_setup(void) -{ - u16 bank, mask, i, gpio; - - for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) { - mask = wakeup_map[gpio_bank(i)]; - bank = gpio_bank(i); - - gpio_bank_saved[bank].maskb = gpio_array[bank]->maskb; - gpio_array[bank]->maskb = 0; - - if (mask) { -#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x) - gpio_bank_saved[bank].fer = *port_fer[bank]; -#endif - gpio_bank_saved[bank].inen = gpio_array[bank]->inen; - gpio_bank_saved[bank].polar = gpio_array[bank]->polar; - gpio_bank_saved[bank].dir = gpio_array[bank]->dir; - gpio_bank_saved[bank].edge = gpio_array[bank]->edge; - gpio_bank_saved[bank].both = gpio_array[bank]->both; - gpio_bank_saved[bank].reserved = - reserved_gpio_map[bank]; - - gpio = i; - - while (mask) { - if ((mask & 1) && (wakeup_flags_map[gpio] != - PM_WAKE_IGNORE)) { - reserved_gpio_map[gpio_bank(gpio)] |= - gpio_bit(gpio); - bfin_gpio_wakeup_type(gpio, - wakeup_flags_map[gpio]); - set_gpio_data(gpio, 0); /*Clear*/ - } - gpio++; - mask >>= 1; - } - - bfin_internal_set_wake(sic_iwr_irqs[bank], 1); - gpio_array[bank]->maskb_set = wakeup_map[gpio_bank(i)]; - } - } - - AWA_DUMMY_READ(maskb_set); + set_gpio_maskb(gpio, ctrl); + local_irq_restore_hw(flags); return 0; } -void bfin_pm_standby_restore(void) +int bfin_pm_standby_ctrl(unsigned ctrl) { u16 bank, mask, i; @@ -627,24 +539,10 @@ void bfin_pm_standby_restore(void) mask = wakeup_map[gpio_bank(i)]; bank = gpio_bank(i); - if (mask) { -#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x) - *port_fer[bank] = gpio_bank_saved[bank].fer; -#endif - gpio_array[bank]->inen = gpio_bank_saved[bank].inen; - gpio_array[bank]->dir = gpio_bank_saved[bank].dir; - gpio_array[bank]->polar = gpio_bank_saved[bank].polar; - gpio_array[bank]->edge = gpio_bank_saved[bank].edge; - gpio_array[bank]->both = gpio_bank_saved[bank].both; - - reserved_gpio_map[bank] = - gpio_bank_saved[bank].reserved; - bfin_internal_set_wake(sic_iwr_irqs[bank], 0); - } - - gpio_array[bank]->maskb = gpio_bank_saved[bank].maskb; + if (mask) + bfin_internal_set_wake(sic_iwr_irqs[bank], ctrl); } - AWA_DUMMY_READ(maskb); + return 0; } void bfin_gpio_pm_hibernate_suspend(void) @@ -708,16 +606,11 @@ void bfin_gpio_pm_hibernate_restore(void) #else /* CONFIG_BF54x */ #ifdef CONFIG_PM -u32 bfin_pm_standby_setup(void) +int bfin_pm_standby_ctrl(unsigned ctrl) { return 0; } -void bfin_pm_standby_restore(void) -{ - -} - void bfin_gpio_pm_hibernate_suspend(void) { int i, bank; |