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Date: Sun, 7 Apr 2013 13:39:15 +0300 From: Ohad Ben-Cohen <ohad@...ery.com> To: Li Fei <fei.li@...el.com> Cc: Chris Ball <cjb@...top.org>, ulf.hansson@...aro.org, johan.rudholm@...ricsson.com, subhashj@...eaurora.org, Philip Rakity <prakity@...vell.com>, rafael.j.wysocki@...el.com, thierry.reding@...onic-design.de, sachin.kamat@...aro.org, "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>, "Rafael J. Wysocki" <rjw@...k.pl>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Chuansheng Liu <chuansheng.liu@...el.com> Subject: Re: [PATCH 2/5] mmc: core: call pm_runtime_put_sync in pm_runtime_get_sync failed case Hi Li, On Thu, Feb 28, 2013 at 9:44 AM, Li Fei <fei.li@...el.com> wrote: > Even in failed case of pm_runtime_get_sync, the usage_count > is incremented. In order to keep the usage_count with correct > value and runtime power management to behave correctly, call > pm_runtime_put(_sync) in such case. As with the remoteproc case, it is probably better to call the put_noidle variant here. This way you are sure not to erroneously invoke any underlying pm handler where your only intention is to fix usage_count. Thanks, Ohad. -- 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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