[PATCH] reset: allow drivers to request probe deferral
From: Shawn Guo <hidden>
Date: 2013-07-18 12:04:52
Also in:
linux-devicetree
On Thu, Jul 18, 2013 at 01:57:33PM +0200, Philipp Zabel wrote:
quoted hunk
If the requested reset controller is not yet available, have reset_control_get and device_reset return -EPROBE_DEFER so the driver can decide to request probe deferral. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> --- drivers/reset/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/reset/core.c b/drivers/reset/core.c index d1b6089..b3d99a1 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c@@ -167,7 +167,7 @@ struct reset_control *reset_control_get(struct device *dev, const char *id) if (!rcdev) { mutex_unlock(&reset_controller_list_mutex); - return ERR_PTR(-ENODEV); + return ERR_PTR(-EPROBE_DEFER);
Yeah, with the change the client device driver does not need to translate error code -ENODEV into -EPROBE_DEFER, but just return whatever device_reset() returns in error case. So, Acked-by: Shawn Guo <redacted>
} rstc_id = rcdev->of_xlate(rcdev, &args); -- 1.8.3.2