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Date: Tue, 28 Jan 2014 13:48:28 +0800 From: "xinhui.pan" <xinhuix.pan@...el.com> To: linux-kernel@...r.kernel.org CC: linux-i2c@...r.kernel.org, wsa@...-dreams.de, mika.westerberg@...ux.intel.com, andriy.shevchenko@...ux.intel.com, yanmin_zhang@...ux.intel.com, bo.he@...el.com Subject: [PATCH] i2c-designware-pcidrv: fix the incorrect return of idle callback From: "xinhui.pan" <xinhuix.pan@...el.com> i2c_dw_pci_runtime_idle should return -EBUSY rather than zero if it do success. Otherwise rpm_idle will call pm_suspend again and that may cause pm_schedule_suspend delay invalidate. Signed-off-by: bo.he <bo.he@...el.com> Signed-off-by: xinhui.pan <xinhuix.pan@...el.com> --- drivers/i2c/busses/i2c-designware-pcidrv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index f6ed06c..96e81f6 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -190,8 +190,8 @@ static int i2c_dw_pci_runtime_idle(struct device *dev) int err = pm_schedule_suspend(dev, 500); dev_dbg(dev, "runtime_idle called\n"); - if (err != 0) - return 0; + if (err) + return err; return -EBUSY; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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