On Tue, Jun 15, 2010 at 08:27:46PM +0900, Kukjin Kim wrote:
> From: Lee Hyuk <hyuk1.lee@xxxxxxxxxxx>
>
> This patch adds the members of platdata which are cfg_wp and get_ro.
> The cfg_wp is the function for setting the specific GPIO for WP pin
> and get_ro is the function for getting data from the assigned GPIO.
Why not just pass gpio numbers, and have the sdhci-s3c driver claim them
if they are valid?
> Signed-off-by: Hyuk Lee <hyuk1.lee@xxxxxxxxxxx>
> Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
> ---
> arch/arm/plat-samsung/dev-hsmmc.c | 4 ++++
> arch/arm/plat-samsung/dev-hsmmc1.c | 4 ++++
> arch/arm/plat-samsung/dev-hsmmc2.c | 4 ++++
> arch/arm/plat-samsung/dev-hsmmc3.c | 4 ++++
> arch/arm/plat-samsung/include/plat/sdhci.h | 6 ++++++
> 5 files changed, 22 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c
> index 4c05b39..f2bae6f 100644
> --- a/arch/arm/plat-samsung/dev-hsmmc.c
> +++ b/arch/arm/plat-samsung/dev-hsmmc.c
> @@ -65,4 +65,8 @@ void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
> set->cfg_gpio = pd->cfg_gpio;
> if (pd->cfg_card)
> set->cfg_card = pd->cfg_card;
> + if (pd->cfg_wp)
> + set->cfg_wp = pd->cfg_wp;
> + if (pd->get_ro)
> + set->get_ro = pd->get_ro;
> }
> diff --git a/arch/arm/plat-samsung/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c
> index e49bc4c..b326e0d 100644
> --- a/arch/arm/plat-samsung/dev-hsmmc1.c
> +++ b/arch/arm/plat-samsung/dev-hsmmc1.c
> @@ -65,4 +65,8 @@ void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd)
> set->cfg_gpio = pd->cfg_gpio;
> if (pd->cfg_card)
> set->cfg_card = pd->cfg_card;
> + if (pd->cfg_wp)
> + set->cfg_wp = pd->cfg_wp;
> + if (pd->get_ro)
> + set->get_ro = pd->get_ro;
> }
> diff --git a/arch/arm/plat-samsung/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c
> index 824580b..3474ef2 100644
> --- a/arch/arm/plat-samsung/dev-hsmmc2.c
> +++ b/arch/arm/plat-samsung/dev-hsmmc2.c
> @@ -66,4 +66,8 @@ void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd)
> set->cfg_gpio = pd->cfg_gpio;
> if (pd->cfg_card)
> set->cfg_card = pd->cfg_card;
> + if (pd->cfg_wp)
> + set->cfg_wp = pd->cfg_wp;
> + if (pd->get_ro)
> + set->get_ro = pd->get_ro;
> }
> diff --git a/arch/arm/plat-samsung/dev-hsmmc3.c b/arch/arm/plat-samsung/dev-hsmmc3.c
> index 05d5ea4..1da8ea7 100644
> --- a/arch/arm/plat-samsung/dev-hsmmc3.c
> +++ b/arch/arm/plat-samsung/dev-hsmmc3.c
> @@ -69,4 +69,8 @@ void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd)
> set->cfg_gpio = pd->cfg_gpio;
> if (pd->cfg_card)
> set->cfg_card = pd->cfg_card;
> + if (pd->cfg_wp)
> + set->cfg_wp = pd->cfg_wp;
> + if (pd->get_ro)
> + set->get_ro = pd->get_ro;
> }
> diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
> index 1314ffa..da198d8 100644
> --- a/arch/arm/plat-samsung/include/plat/sdhci.h
> +++ b/arch/arm/plat-samsung/include/plat/sdhci.h
> @@ -29,6 +29,8 @@ struct mmc_ios;
> * is necessary the controllers and/or GPIO blocks require the
> * changing of driver-strength and other controls dependant on
> * the card and speed of operation.
> + * @cfg_wp: Configure the GPIO in order to allocate WP pin.
> + * @get_ro: Call back function for getting data from the allocated GPIO.
if you just used gpio calls and passed a gpio number here,
you'd not need cfg_wp.
> *
> * Initialisation data specific to either the machine or the platform
> * for the device driver to use or call-back when configuring gpio or
> @@ -45,6 +47,8 @@ struct s3c_sdhci_platdata {
> void __iomem *regbase,
> struct mmc_ios *ios,
> struct mmc_card *card);
> + void (*cfg_wp)(int dev_id);
> + int (*get_ro)(struct mmc_host *mmc);
> };
>
> /**
> @@ -234,6 +238,8 @@ extern void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev,
> struct mmc_ios *ios,
> struct mmc_card *card);
>
> +extern void s3c_sdhci_set_platdata(void);
> +
> #ifdef CONFIG_S3C_DEV_HSMMC
> static inline void s5pv210_default_sdhci0(void)
> {
> --
> 1.6.2.5
>
>
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