From 3b47053fb34e5f5f19b4c690894cba543bc33b78 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Tue, 7 Jul 2009 13:57:57 +0000 Subject: [PATCH] AR7240 requires different IRQ unmasking code SVN-Revision: 16734 --- .../linux/ar71xx/files/arch/mips/ar71xx/irq.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c index a912f38920..6bc1c6d5c4 100644 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c +++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c @@ -297,6 +297,22 @@ static void ar71xx_misc_irq_unmask(unsigned int irq) ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE); } +static void ar724x_misc_irq_unmask(unsigned int irq) +{ + irq -= AR71XX_MISC_IRQ_BASE; + ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_ENABLE, + ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE) | (1 << irq)); + + /* flush write */ + ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_ENABLE); + + ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_STATUS, + ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_STATUS) & ~(1 << irq)); + + /* flush write */ + ar71xx_reset_rr(AR71XX_RESET_REG_MISC_INT_STATUS); +} + static void ar71xx_misc_irq_mask(unsigned int irq) { irq -= AR71XX_MISC_IRQ_BASE; @@ -326,6 +342,9 @@ static void __init ar71xx_misc_irq_init(void) ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_ENABLE, 0); ar71xx_reset_wr(AR71XX_RESET_REG_MISC_INT_STATUS, 0); + if (ar71xx_soc == AR71XX_SOC_AR7240) + ar71xx_misc_irq_chip.unmask = ar724x_misc_irq_unmask; + for (i = AR71XX_MISC_IRQ_BASE; i < AR71XX_MISC_IRQ_BASE + AR71XX_MISC_IRQ_COUNT; i++) { irq_desc[i].status = IRQ_DISABLED;