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intel_th: Pick up irq number from resources 

Platform devices pass their IRQs around as resources, so as a convenience
for the glue layer code, allow them pass the IRQ to the core driver in
the resources array.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
This commit is contained in:
Alexander Shishkin 2017-08-23 09:47:19 +03:00
parent c2d2c7de97
commit 661b0df848
1 changed files with 8 additions and 1 deletions
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9
drivers/hwtracing/intel_th/core.c
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@ -805,7 +805,14 @@ intel_th_alloc(struct device *dev, struct intel_th_drvdata *drvdata,
struct resource *devres, unsigned int ndevres, int irq) struct resource *devres, unsigned int ndevres, int irq)
{ {
struct intel_th *th; struct intel_th *th;
int err; int err, r;
if (irq == -1)
for (r = 0; r < ndevres; r++)
if (devres[r].flags & IORESOURCE_IRQ) {
irq = devres[r].start;
break;
}
th = kzalloc(sizeof(*th), GFP_KERNEL); th = kzalloc(sizeof(*th), GFP_KERNEL);
if (!th) if (!th)