Commit 97491ba3 authored by Vasily Khoruzhick's avatar Vasily Khoruzhick Committed by Ben Dooks

i2c-pxa2xx: Don't clear isr bits too early

isr is passed later into i2c_pxa_irq_txempty and
i2c_pxa_irq_rxfull and they may use some other bits
than irq sources.
Signed-off-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent a0774f45
......@@ -966,8 +966,7 @@ static irqreturn_t i2c_pxa_handler(int this_irq, void *dev_id)
struct pxa_i2c *i2c = dev_id;
u32 isr = readl(_ISR(i2c));
isr &= VALID_INT_SOURCE;
if (!isr)
if (!(isr & VALID_INT_SOURCE))
return IRQ_NONE;
if (i2c_debug > 2 && 0) {
......@@ -984,7 +983,7 @@ static irqreturn_t i2c_pxa_handler(int this_irq, void *dev_id)
/*
* Always clear all pending IRQs.
*/
writel(isr, _ISR(i2c));
writel(isr & VALID_INT_SOURCE, _ISR(i2c));
if (isr & ISR_SAD)
i2c_pxa_slave_start(i2c, isr);
......
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