diff options
| author | Danke Xie <d.xie@sta.samsung.com> | 2013-12-23 21:11:46 +0400 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2014-01-21 12:28:57 +0400 |
| commit | 754fa7bc9852f17d3c79b93747b643e1665ce0de (patch) | |
| tree | 0f42d5c2c0e2309767dccc19b23b4495cecd2ce8 /drivers/mfd/twl6030-irq.c | |
| parent | 39fed00f0b91f4ee595ac719f3bc2d226ed111b9 (diff) | |
| download | linux-754fa7bc9852f17d3c79b93747b643e1665ce0de.tar.xz | |
mfd: twl6030: Fix endianness problem in IRQ handler
The current TWL 6030 IRQ handler assumes little endianness.
This change makes it endian-neutral.
Signed-off-by: Danke Xie <d.xie@sta.samsung.com>
Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/twl6030-irq.c')
| -rw-r--r-- | drivers/mfd/twl6030-irq.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c index 517eda832f79..18a607e2ca06 100644 --- a/drivers/mfd/twl6030-irq.c +++ b/drivers/mfd/twl6030-irq.c @@ -176,8 +176,9 @@ static irqreturn_t twl6030_irq_thread(int irq, void *data) int i, ret; union { u8 bytes[4]; - u32 int_sts; + __le32 int_sts; } sts; + u32 int_sts; /* sts.int_sts converted to CPU endianness */ struct twl6030_irq *pdata = data; /* read INT_STS_A, B and C in one shot using a burst read */ @@ -196,8 +197,9 @@ static irqreturn_t twl6030_irq_thread(int irq, void *data) if (sts.bytes[2] & 0x10) sts.bytes[2] |= 0x08; - for (i = 0; sts.int_sts; sts.int_sts >>= 1, i++) - if (sts.int_sts & 0x1) { + int_sts = le32_to_cpu(sts.int_sts); + for (i = 0; int_sts; int_sts >>= 1, i++) + if (int_sts & 0x1) { int module_irq = irq_find_mapping(pdata->irq_domain, pdata->irq_mapping_tbl[i]); |