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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-14 14:49:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-14 14:49:29 -0800 |
| commit | 1abe3af27120a66711e00eb3112ecd4f8292a470 (patch) | |
| tree | 22ca2adb494b4135b36b5439c5b5ed14a6ed9d35 /arch/arm/plat-pxa/mfp.c | |
| parent | 15a831f253c8714181f9dddc204fb6592d61bc92 (diff) | |
| parent | e3329cba82248a5141f330b2526bd409c8993c4b (diff) | |
Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 6657/1: hw_breakpoint: fix ptrace breakpoint advertising on unsupported arch
ARM: 6656/1: hw_breakpoint: avoid UNPREDICTABLE behaviour when reading DBGDSCR
ARM: 6658/1: collie: do actually pass locomo_info to locomo driver
ARM: 6659/1: Thumb-2: Make CONFIG_OABI_COMPAT depend on !CONFIG_THUMB2_KERNEL
ARM: 6654/1: perf/oprofile: fix off-by-one in stack check
ARM: fixup SMP alternatives in modules
ARM: make SWP emulation explicit on !CPU_USE_DOMAINS
ARM: Avoid building unsafe kernels on OMAP2 and MX3
ARM: pxa: Properly configure PWM period for palm27x
ARM: pxa: only save/restore registers when pm functions are defined
ARM: pxa/colibri: use correct SD detect pin
ARM: pxa: fix mfpr_sync to read from valid offset
Diffstat (limited to 'arch/arm/plat-pxa/mfp.c')
| -rw-r--r-- | arch/arm/plat-pxa/mfp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c index b77e018d36c..a9aa5ad3f4e 100644 --- a/arch/arm/plat-pxa/mfp.c +++ b/arch/arm/plat-pxa/mfp.c @@ -139,10 +139,11 @@ static const unsigned long mfpr_edge[] = { #define mfp_configured(p) ((p)->config != -1) /* - * perform a read-back of any MFPR register to make sure the + * perform a read-back of any valid MFPR register to make sure the * previous writings are finished */ -#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + 0) +static unsigned long mfpr_off_readback; +#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + mfpr_off_readback) static inline void __mfp_config_run(struct mfp_pin *p) { @@ -248,6 +249,9 @@ void __init mfp_init_addr(struct mfp_addr_map *map) spin_lock_irqsave(&mfp_spin_lock, flags); + /* mfp offset for readback */ + mfpr_off_readback = map[0].offset; + for (p = map; p->start != MFP_PIN_INVALID; p++) { offset = p->offset; i = p->start; |