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32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
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From f5d9bea58b576b50cdc0d7a607646b0849ff79c4 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Mon, 25 May 2015 16:51:34 +0200
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Subject: [PATCH] MIPS: ralink: fix clearing the illegal access interrupt
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Due to a typo the illegal access interrupt is never cleared in by
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the interupt handler, causing an effective deadlock on the first
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illegal access.
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This was broken since the code was introduced in 5433acd81e87 ("MIPS:
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ralink: add illegal access driver"), but only exposed when the Kconfig
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symbol was added, thus enabling the code.
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Cc: <stable@vger.kernel.org> [3.18+]
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Fixes: a7b7aad383c ("MIPS: ralink: add missing symbol for RALINK_ILL_ACC")
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Signed-off-by: Jonas Gorski <jogo@openwrt.org>
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---
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arch/mips/ralink/ill_acc.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/arch/mips/ralink/ill_acc.c
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+++ b/arch/mips/ralink/ill_acc.c
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@@ -41,7 +41,7 @@ static irqreturn_t ill_acc_irq_handler(i
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addr, (type >> ILL_ACC_OFF_S) & ILL_ACC_OFF_M,
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type & ILL_ACC_LEN_M);
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- rt_memc_w32(REG_ILL_ACC_TYPE, REG_ILL_ACC_TYPE);
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+ rt_memc_w32(ILL_INT_STATUS, REG_ILL_ACC_TYPE);
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return IRQ_HANDLED;
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}
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