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MIPS: ralink: Fix clearing the illegal access interrupt 

Due to a typo the illegal access interrupt is never cleared in by
the interupt handler, causing an effective deadlock on the first
illegal access.

This was broken since the code was introduced in 5433acd81e ("MIPS:
ralink: add illegal access driver"), but only exposed when the Kconfig
symbol was added, thus enabling the code.

Cc: <stable@vger.kernel.org>  [3.18+]
Fixes: a7b7aad383 ("MIPS: ralink: add missing symbol for RALINK_ILL_ACC")
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: John Crispin <blogic@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/10172/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jonas Gorski 2015-05-25 19:53:54 +02:00 committed by Ralf Baechle
parent c65b99f046
commit 9dd6f1c166
1 changed files with 1 additions and 1 deletions
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2
arch/mips/ralink/ill_acc.c
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@ -41,7 +41,7 @@ static irqreturn_t ill_acc_irq_handler(int irq, void *_priv)
addr, (type >> ILL_ACC_OFF_S) & ILL_ACC_OFF_M,
type & ILL_ACC_LEN_M);
rt_memc_w32(REG_ILL_ACC_TYPE, REG_ILL_ACC_TYPE);
rt_memc_w32(ILL_INT_STATUS, REG_ILL_ACC_TYPE);
return IRQ_HANDLED;
}