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mfd: twl4030-irq: Check return value from twl_i2c_write() - warn() on failure

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In the original code a return value variable was provided, but it
was never checked and the user was never informed of failure.  Now
it is and they are.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Lee Jones 2014-08-18 16:03:14 +01:00
parent cddc11412d
commit 8a012ff9d8
1 changed files with 6 additions and 2 deletions
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8
drivers/mfd/twl4030-irq.c
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@ -396,13 +396,17 @@ static int twl4030_init_sih_modules(unsigned line)
status = twl_i2c_read(sih->module, rxbuf,
sih->mask[line].isr_offset, sih->bytes_ixr);
if (status < 0)
pr_err("twl4030: err %d initializing %s %s\n",
pr_warn("twl4030: err %d initializing %s %s\n",
status, sih->name, "ISR");
if (!sih->set_cor)
if (!sih->set_cor) {
status = twl_i2c_write(sih->module, buf,
sih->mask[line].isr_offset,
sih->bytes_ixr);
if (status < 0)
pr_warn("twl4030: write failed: %d\n",
status);
}
/*
* else COR=1 means read sufficed.
* (for most SIH modules...)