From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulf Hansson Subject: [PATCH 8/9] mmmc: core: Keep PM domain powered during ->probe() of SDIO func driver Date: Fri, 13 Mar 2015 16:43:48 +0100 Message-ID: <1426261429-31883-9-git-send-email-ulf.hansson@linaro.org> References: <1426261429-31883-1-git-send-email-ulf.hansson@linaro.org> Return-path: Received: from mail-lb0-f181.google.com ([209.85.217.181]:43309 "EHLO mail-lb0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756885AbbCMPoY (ORCPT ); Fri, 13 Mar 2015 11:44:24 -0400 Received: by lbvp9 with SMTP id p9so23647336lbv.10 for ; Fri, 13 Mar 2015 08:44:23 -0700 (PDT) In-Reply-To: <1426261429-31883-1-git-send-email-ulf.hansson@linaro.org> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Kevin Hilman , linux-pm@vger.kernel.org Cc: Geert Uytterhoeven , Dmitry Torokhov , Russell King , Greg Kroah-Hartman , Mark Brown , Wolfram Sang , linux-arm-kernel@lists.infradead.org, Ulf Hansson 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 71357b8..0d89b4b 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -320,7 +320,14 @@ 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: ulf.hansson@linaro.org (Ulf Hansson) Date: Fri, 13 Mar 2015 16:43:48 +0100 Subject: [PATCH 8/9] mmmc: core: Keep PM domain powered during ->probe() of SDIO func driver In-Reply-To: <1426261429-31883-1-git-send-email-ulf.hansson@linaro.org> References: <1426261429-31883-1-git-send-email-ulf.hansson@linaro.org> Message-ID: <1426261429-31883-9-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 71357b8..0d89b4b 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -320,7 +320,14 @@ 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