From mboxrd@z Thu Jan 1 00:00:00 1970 From: ulf.hansson@linaro.org (Ulf Hansson) Date: Mon, 13 Oct 2014 16:02:09 +0200 Subject: [PATCH v3 8/9] mmmc: core: Keep PM domain powered during ->probe() of SDIO func driver In-Reply-To: <1413208930-26019-1-git-send-email-ulf.hansson@linaro.org> References: <1413208930-26019-1-git-send-email-ulf.hansson@linaro.org> Message-ID: <1413208930-26019-9-git-send-email-ulf.hansson@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org To sucessfully probe some devices their corresponding PM domains may need to be powered. Use the dev_pm_domain_get|put() APIs, to control the behavior of the PM domain. Signed-off-by: Ulf Hansson --- drivers/mmc/core/sdio_bus.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index ba97779..83c8836 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -318,7 +318,14 @@ int sdio_add_func(struct sdio_func *func) if (ret) return ret; + ret = dev_pm_domain_get(func->dev.pm_domain); + if (ret) { + dev_pm_domain_detach(&func->dev, false); + return ret; + } + ret = device_add(&func->dev); + dev_pm_domain_put(func->dev.pm_domain); if (ret) { dev_pm_domain_detach(&func->dev, false); return ret; -- 1.9.1