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Merge remote-tracking branch 'spi/fix/pxa' into spi-linus

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Mark Brown 2013-10-07 14:51:59 +01:00
commit 896182ad31
1 changed files with 10 additions and 1 deletions
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11
drivers/spi/spi-pxa2xx.c
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@ -546,8 +546,17 @@ static irqreturn_t ssp_int(int irq, void *dev_id)
if (pm_runtime_suspended(&drv_data->pdev->dev))
return IRQ_NONE;
sccr1_reg = read_SSCR1(reg);
/*
* If the device is not yet in RPM suspended state and we get an
* interrupt that is meant for another device, check if status bits
* are all set to one. That means that the device is already
* powered off.
*/
status = read_SSSR(reg);
if (status == ~0)
return IRQ_NONE;
sccr1_reg = read_SSCR1(reg);
/* Ignore possible writes if we don't need to write */
if (!(sccr1_reg & SSCR1_TIE))