From 925e853c24bc7966cb0d6ed3b88948c33b0a6071 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Thu, 30 Jun 2011 12:51:09 +0300 Subject: [PATCH] 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: Felipe Balbi Reviewed-by: Mark Brown Signed-off-by: Samuel Ortiz --- drivers/mfd/twl4030-irq.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index 1b9ab2f40d5b..ff16e9c3ba30 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c @@ -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; } -- 2.34.1