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- Bug Fixes

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- Resize variable to avoid uninitialised (MSB) data; stmfx
    - Fixe endian bug; stmfx
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Merge tag 'mfd-fixes-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull mfd bugfix from Lee Jones.

Fix stmfx type confusion between regmap_read() (which takes an "u32")
and the bitmap operations (which take an "unsigned long" array).

* tag 'mfd-fixes-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: stmfx: Fix an endian bug in stmfx_irq_handler()
  mfd: stmfx: Uninitialized variable in stmfx_irq_handler()
This commit is contained in:
Linus Torvalds 2019-06-25 03:41:03 +08:00
commit c88e40e07c
1 changed files with 6 additions and 6 deletions
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12
drivers/mfd/stmfx.c
View File

@ -204,12 +204,11 @@ static struct irq_chip stmfx_irq_chip = {
static irqreturn_t stmfx_irq_handler(int irq, void *data)
{
struct stmfx *stmfx = data;
unsigned long n, pending;
u32 ack;
int ret;
unsigned long bits;
u32 pending, ack;
int n, ret;
ret = regmap_read(stmfx->map, STMFX_REG_IRQ_PENDING,
(u32 *)&pending);
ret = regmap_read(stmfx->map, STMFX_REG_IRQ_PENDING, &pending);
if (ret)
return IRQ_NONE;
@ -224,7 +223,8 @@ static irqreturn_t stmfx_irq_handler(int irq, void *data)
return IRQ_NONE;
}
for_each_set_bit(n, &pending, STMFX_REG_IRQ_SRC_MAX)
bits = pending;
for_each_set_bit(n, &bits, STMFX_REG_IRQ_SRC_MAX)
handle_nested_irq(irq_find_mapping(stmfx->irq_domain, n));
return IRQ_HANDLED;