提交 925e853c 编写于 作者: F Felipe Balbi 提交者: Samuel Ortiz

mfd: Set twl4030-irq irq nested flag

Threads from twl4030's children will be called
nested in the context of the demultiplexing
handler on twl4030-irq.c.
Signed-off-by: NFelipe Balbi <balbi@ti.com>
Reviewed-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
上级 2f2a7d5e
......@@ -304,7 +304,7 @@ static irqreturn_t handle_twl4030_pih(int irq, void *devid)
pih_isr;
pih_isr >>= 1, module_irq++) {
if (pih_isr & 0x1)
generic_handle_irq(module_irq);
handle_nested_irq(module_irq);
}
return IRQ_HANDLED;
......@@ -596,9 +596,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
int isr;
/* reading ISR acks the IRQs, using clear-on-read mode */
local_irq_enable();
isr = sih_read_isr(sih);
local_irq_disable();
if (isr < 0) {
pr_err("twl4030: %s SIH, read ISR error %d\n",
......@@ -613,7 +611,7 @@ static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
isr &= ~BIT(irq);
if (irq < sih->bits)
generic_handle_irq(agent->irq_base + irq);
handle_nested_irq(agent->irq_base + irq);
else
pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
sih->name, irq);
......@@ -720,6 +718,7 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
for (i = irq_base; i < irq_end; i++) {
irq_set_chip_and_handler(i, &twl4030_irq_chip,
handle_simple_irq);
irq_set_nested_thread(i, 1);
activate_irq(i);
}
twl4030_irq_next = i;
......@@ -745,8 +744,10 @@ int twl4030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
fail_rqirq:
/* clean up twl4030_sih_setup */
fail:
for (i = irq_base; i < irq_end; i++)
for (i = irq_base; i < irq_end; i++) {
irq_set_nested_thread(i, 0);
irq_set_chip_and_handler(i, NULL, NULL);
}
return status;
}
......
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