From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Lin Subject: Re: [PATCH 2/4] mmc: dw_mmc: add setup_clk for init hook Date: Fri, 12 Feb 2016 19:30:25 +0800 Message-ID: <56BDC251.4020508@rock-chips.com> References: <1453944616-16224-1-git-send-email-shawn.lin@rock-chips.com> <1453944664-16874-1-git-send-email-shawn.lin@rock-chips.com> <56B2EA0A.5020208@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from lucky1.263xmail.com ([211.157.147.131]:49778 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752441AbcBLLam (ORCPT ); Fri, 12 Feb 2016 06:30:42 -0500 In-Reply-To: <56B2EA0A.5020208@samsung.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Jaehoon Chung , Ulf Hansson Cc: shawn.lin@rock-chips.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org On 2016/2/4 14:04, Jaehoon Chung wrote: > Hi, Shawn. > > On 01/28/2016 10:31 AM, Shawn Lin wrote: >> We add this new argument into init hook for >> variant drivers to decide whether to do clock >> related stuff inside the hook. >> >> Signed-off-by: Shawn Lin >> --- >> >> drivers/mmc/host/dw_mmc-exynos.c | 4 ++-- >> drivers/mmc/host/dw_mmc-rockchip.c | 2 +- >> drivers/mmc/host/dw_mmc.c | 2 +- >> drivers/mmc/host/dw_mmc.h | 2 +- >> 4 files changed, 5 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c >> index 3a7e835..edaa117 100644 >> --- a/drivers/mmc/host/dw_mmc-exynos.c >> +++ b/drivers/mmc/host/dw_mmc-exynos.c >> @@ -91,7 +91,7 @@ static inline u8 dw_mci_exynos_get_ciu_div(struct dw_mci *host) >> return SDMMC_CLKSEL_GET_DIV(mci_readl(host, CLKSEL)) + 1; >> } >> >> -static int dw_mci_exynos_priv_init(struct dw_mci *host) >> +static int dw_mci_exynos_priv_init(struct dw_mci *host, bool setup_clk) >> { > > "bool setup_clk" is made because of exynos SoC, right? yes, add it for exynos Soc. Thanks for considering the moving. > Hmm. I'm checking how we can control without "setup_clk". Waiting for this. > > Thanks for removing the hooks. :) > > Best Regards, > Jaehoon Chung > >> struct dw_mci_exynos_priv_data *priv = host->priv; >> >> @@ -159,7 +159,7 @@ static int dw_mci_exynos_resume(struct device *dev) >> { >> struct dw_mci *host = dev_get_drvdata(dev); >> >> - dw_mci_exynos_priv_init(host); >> + dw_mci_exynos_priv_init(host, false); >> return dw_mci_resume(host); >> } >> >> diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c >> index 9934503..885c801 100644 >> --- a/drivers/mmc/host/dw_mmc-rockchip.c >> +++ b/drivers/mmc/host/dw_mmc-rockchip.c >> @@ -221,7 +221,7 @@ static int dw_mci_rk3288_parse_dt(struct dw_mci *host) >> return 0; >> } >> >> -static int dw_mci_rockchip_init(struct dw_mci *host) >> +static int dw_mci_rockchip_init(struct dw_mci *host, bool setup_clk) >> { >> /* It is slot 8 on Rockchip SoCs */ >> host->sdio_id0 = 8; >> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c >> index 7128351..1d27a2b 100644 >> --- a/drivers/mmc/host/dw_mmc.c >> +++ b/drivers/mmc/host/dw_mmc.c >> @@ -2995,7 +2995,7 @@ int dw_mci_probe(struct dw_mci *host) >> } >> >> if (drv_data && drv_data->init) { >> - ret = drv_data->init(host); >> + ret = drv_data->init(host, true); >> if (ret) { >> dev_err(host->dev, >> "implementation specific init failed\n"); >> diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h >> index f695b58..1a9492e 100644 >> --- a/drivers/mmc/host/dw_mmc.h >> +++ b/drivers/mmc/host/dw_mmc.h >> @@ -285,7 +285,7 @@ struct dw_mci_slot { >> */ >> struct dw_mci_drv_data { >> unsigned long *caps; >> - int (*init)(struct dw_mci *host); >> + int (*init)(struct dw_mci *host, bool setup_clk); >> int (*setup_clock)(struct dw_mci *host); >> void (*prepare_command)(struct dw_mci *host, u32 *cmdr); >> void (*set_ios)(struct dw_mci *host, struct mmc_ios *ios); >> > > > > -- Best Regards Shawn Lin