From: Shawn Lin <shawn.lin@rock-chips.com>
To: Jaehoon Chung <jh80.chung@samsung.com>,
Ulf Hansson <ulf.hansson@linaro.org>
Cc: shawn.lin@rock-chips.com, linux-mmc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] mmc: dw_mmc: add setup_clk for init hook
Date: Fri, 12 Feb 2016 19:30:25 +0800 [thread overview]
Message-ID: <56BDC251.4020508@rock-chips.com> (raw)
In-Reply-To: <56B2EA0A.5020208@samsung.com>
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 <shawn.lin@rock-chips.com>
>> ---
>>
>> 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
next prev parent reply other threads:[~2016-02-12 11:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-28 1:30 [PATCH 0/4] Cleanup setup_clock callback from dw_mmc Shawn Lin
2016-01-28 1:30 ` [PATCH 1/4] mmc: dw_mmc-rockchip: remove setup_clock for rockchip Shawn Lin
2016-01-28 1:31 ` [PATCH 2/4] mmc: dw_mmc: add setup_clk for init hook Shawn Lin
2016-02-04 6:04 ` Jaehoon Chung
2016-02-12 11:30 ` Shawn Lin [this message]
2016-01-28 1:31 ` [PATCH 3/4] mmc: dw_mmc-exynos: remove dw_mci_exynos_setup_clock Shawn Lin
2016-01-28 1:31 ` [PATCH 4/4] mmc: dw_mmc: remove setup_clock callback Shawn Lin
2016-03-31 6:38 ` Jaehoon Chung
2016-03-31 6:37 ` [PATCH 0/4] Cleanup setup_clock callback from dw_mmc Jaehoon Chung
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