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mfd: twl6030-irq: Add error check when IRQs are masked initially

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Add a missed check for errors when TWL IRQs are masked
initially on probe and report an error in case of failure.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Grygorii Strashko 2013-07-25 16:15:48 +03:00 committed by Samuel Ortiz
parent 87343e5341
commit a820e5686f
1 changed files with 9 additions and 4 deletions
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13
drivers/mfd/twl6030-irq.c
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@ -313,7 +313,7 @@ int twl6030_init_irq(struct device *dev, int irq_num)
struct device_node *node = dev->of_node;
int nr_irqs, irq_base, irq_end;
static struct irq_chip twl6030_irq_chip;
int status = 0;
int status;
int i;
u8 mask[3];
@ -335,11 +335,16 @@ int twl6030_init_irq(struct device *dev, int irq_num)
mask[2] = 0xFF;
/* mask all int lines */
twl_i2c_write(TWL_MODULE_PIH, &mask[0], REG_INT_MSK_LINE_A, 3);
status = twl_i2c_write(TWL_MODULE_PIH, &mask[0], REG_INT_MSK_LINE_A, 3);
/* mask all int sts */
twl_i2c_write(TWL_MODULE_PIH, &mask[0], REG_INT_MSK_STS_A, 3);
status |= twl_i2c_write(TWL_MODULE_PIH, &mask[0], REG_INT_MSK_STS_A, 3);
/* clear INT_STS_A,B,C */
twl_i2c_write(TWL_MODULE_PIH, &mask[0], REG_INT_STS_A, 3);
status |= twl_i2c_write(TWL_MODULE_PIH, &mask[0], REG_INT_STS_A, 3);
if (status < 0) {
dev_err(dev, "I2C err writing TWL_MODULE_PIH: %d\n", status);
return status;
}
twl6030_irq_base = irq_base;