[ARM] 5108/2: PXA SSP: Don't unconditionally free interrupt
Callers may stop the SSP core requesting the interrupt so it can't be
freed unconditionally. Also use NO_IRQ like we should.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 00af7f2..363668c 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -285,7 +285,7 @@
goto out_region;
dev->irq = ssp->irq;
} else
- dev->irq = 0;
+ dev->irq = NO_IRQ;
/* turn on SSP port clock */
clk_enable(ssp->clk);
@@ -306,7 +306,8 @@
struct ssp_device *ssp = dev->ssp;
ssp_disable(dev);
- free_irq(dev->irq, dev);
+ if (dev->irq != NO_IRQ)
+ free_irq(dev->irq, dev);
clk_disable(ssp->clk);
ssp_free(ssp);
}