From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Lin Subject: [PATCH 9/9] mmc: dw_mmc: remove system PM callback Date: Sun, 9 Oct 2016 21:51:11 +0800 Message-ID: <1476021071-31477-1-git-send-email-shawn.lin@rock-chips.com> References: <1476020951-31292-1-git-send-email-shawn.lin@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1476020951-31292-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Jaehoon Chung , Ulf Hansson Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Shawn Lin , linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Doug Anderson List-Id: linux-mmc@vger.kernel.org Now there are no variant drivers using dw_mci_suspend and dw_mci_resume, so let's remove it. Signed-off-by: Shawn Lin --- drivers/mmc/host/dw_mmc.c | 44 ++++++++------------------------------------ drivers/mmc/host/dw_mmc.h | 2 -- 2 files changed, 8 insertions(+), 38 deletions(-) diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index c5ef263..46a14c5 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -3267,26 +3267,24 @@ EXPORT_SYMBOL(dw_mci_remove); #ifdef CONFIG_PM -/* - * TODO: we should probably disable the clock to the card in the suspend path. - */ -int dw_mci_suspend(struct dw_mci *host) +int dw_mci_runtime_suspend(struct dw_mci *host) { if (host->use_dma && host->dma_ops->exit) host->dma_ops->exit(host); + clk_disable_unprepare(host->ciu_clk); + return 0; } -EXPORT_SYMBOL(dw_mci_suspend); +EXPORT_SYMBOL(dw_mci_runtime_suspend); -int dw_mci_resume(struct dw_mci *host) +int dw_mci_runtime_resume(struct dw_mci *host) { - int i, ret; + int i, ret = 0; - if (!dw_mci_ctrl_reset(host, SDMMC_CTRL_ALL_RESET_FLAGS)) { - ret = -ENODEV; + ret = clk_prepare_enable(host->ciu_clk); + if (ret) return ret; - } if (host->use_dma && host->dma_ops->init) host->dma_ops->init(host); @@ -3323,32 +3321,6 @@ int dw_mci_resume(struct dw_mci *host) return 0; } -EXPORT_SYMBOL(dw_mci_resume); - -int dw_mci_runtime_suspend(struct dw_mci *host) -{ - int err = 0; - - err = dw_mci_suspend(host); - if (err) - return err; - - clk_disable_unprepare(host->ciu_clk); - - return err; -} -EXPORT_SYMBOL(dw_mci_runtime_suspend); - -int dw_mci_runtime_resume(struct dw_mci *host) -{ - int ret = 0; - - ret = clk_prepare_enable(host->ciu_clk); - if (ret) - return ret; - - return dw_mci_resume(host); -} EXPORT_SYMBOL(dw_mci_runtime_resume); #endif /* CONFIG_PM */ diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index baa7261..b642dbb 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -235,8 +235,6 @@ extern int dw_mci_probe(struct dw_mci *host); extern void dw_mci_remove(struct dw_mci *host); #ifdef CONFIG_PM -extern int dw_mci_suspend(struct dw_mci *host); -extern int dw_mci_resume(struct dw_mci *host); extern int dw_mci_runtime_suspend(struct dw_mci *host); extern int dw_mci_runtime_resume(struct dw_mci *host); #endif -- 2.3.7