Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-10 07:00:48 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

mfd: Flag WM831x /IRQ as a wake source

Browse Source 
The WM831x can generate wake events, some unconditionally, so flag
the primary IRQ as a wake source in order to help the CPU treat the
/IRQ signal appropriately.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown 2011-01-05 17:56:01 +00:00 committed by Samuel Ortiz
parent c538ddbe4f
commit 180e4f5f20
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/mfd/wm831x-irq.c
View File

@ -517,6 +517,17 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
return 0; return 0;
} }
/* Try to flag /IRQ as a wake source; there are a number of
* unconditional wake sources in the PMIC so this isn't
* conditional but we don't actually care *too* much if it
* fails.
*/
ret = enable_irq_wake(irq);
if (ret != 0) {
dev_warn(wm831x->dev, "Can't enable IRQ as wake source: %d\n",
ret);
}
wm831x->irq = irq; wm831x->irq = irq;
wm831x->irq_base = pdata->irq_base; wm831x->irq_base = pdata->irq_base;