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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-03 09:42:39 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-03 09:42:39 +0200 |
| commit | c61daf6b0a2f7048c6e74d52b043fa6a779b128a (patch) | |
| tree | a4a38656ac79775f38ce5fd6b00dd9b89cd5ccec /arch/arm/plat-samsung/irq-uart.c | |
| parent | 786c89f7a24b4ed8b68dfb136347267875315c30 (diff) | |
| parent | 160a84cfc975f4aaec1cb32a48bba23ccaf43761 (diff) | |
Merge branch 'imx-cleanup' of git://git.pengutronix.de/git/ukl/linux-2.6 into imx-cleanup
Diffstat (limited to 'arch/arm/plat-samsung/irq-uart.c')
| -rw-r--r-- | arch/arm/plat-samsung/irq-uart.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c index 657405c481d0..3014c7226bd1 100644 --- a/arch/arm/plat-samsung/irq-uart.c +++ b/arch/arm/plat-samsung/irq-uart.c @@ -19,6 +19,8 @@ #include <linux/irq.h> #include <linux/io.h> +#include <asm/mach/irq.h> + #include <mach/map.h> #include <plat/irq-uart.h> #include <plat/regs-serial.h> @@ -30,9 +32,12 @@ static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc) { struct s3c_uart_irq *uirq = desc->irq_data.handler_data; + struct irq_chip *chip = irq_get_chip(irq); u32 pend = __raw_readl(uirq->regs + S3C64XX_UINTP); int base = uirq->base_irq; + chained_irq_enter(chip, desc); + if (pend & (1 << 0)) generic_handle_irq(base); if (pend & (1 << 1)) @@ -41,6 +46,8 @@ static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc) generic_handle_irq(base + 2); if (pend & (1 << 3)) generic_handle_irq(base + 3); + + chained_irq_exit(chip, desc); } static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq) |