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95ef6e1d42
Thank you Peter Wagner for the patch. I refreshed the kernel patches and added the md5sum of the kernel. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26905 3c298f89-4303-0410-b956-a3cf2f4a3e73
17 lines
403 B
Diff
17 lines
403 B
Diff
--- a/drivers/cbus/retu.c
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+++ b/drivers/cbus/retu.c
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@@ -198,10 +198,12 @@ static irqreturn_t retu_irq_handler(int
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u16 idr;
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u16 imr;
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+ mutex_lock(&retu->mutex);
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idr = __retu_read_reg(retu, RETU_REG_IDR);
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imr = __retu_read_reg(retu, RETU_REG_IMR);
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- idr &= ~imr;
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+ mutex_unlock(&retu->mutex);
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+ idr &= ~imr;
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if (!idr) {
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dev_vdbg(retu->dev, "No IRQ, spurious?\n");
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return IRQ_NONE;
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