On Sun, 23 Sep 2018 09:03:21 +0200 Linus Walleij wrote:
> The platform data for the PXAv3 driver allows passing a card
> detect GPIO, but this code is not used in the kernel.
>
> In order to not encourage the use of the old global GPIO
> numberspace we need to remove this.
>
> Card detect (and write protect) GPIO can easily be added into
> the driver using machine descriptor tables instead, and the
> descriptor-based (gpiod) variants of the slot GPIO APIs.
>
> Cc: Jisheng Zhang <jszhang@xxxxxxxxxxx>
> Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Jisheng Zhang <Jisheng.Zhang@xxxxxxxxxxxxx>
> ---
> drivers/mmc/host/sdhci-pxav3.c | 14 --------------
> include/linux/platform_data/pxa_sdhci.h | 4 ----
> 2 files changed, 18 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
> index b8e96f392428..1783e29eae04 100644
> --- a/drivers/mmc/host/sdhci-pxav3.c
> +++ b/drivers/mmc/host/sdhci-pxav3.c
> @@ -21,17 +21,14 @@
> #include <linux/platform_device.h>
> #include <linux/clk.h>
> #include <linux/io.h>
> -#include <linux/gpio.h>
> #include <linux/mmc/card.h>
> #include <linux/mmc/host.h>
> -#include <linux/mmc/slot-gpio.h>
> #include <linux/platform_data/pxa_sdhci.h>
> #include <linux/slab.h>
> #include <linux/delay.h>
> #include <linux/module.h>
> #include <linux/of.h>
> #include <linux/of_device.h>
> -#include <linux/of_gpio.h>
> #include <linux/pm.h>
> #include <linux/pm_runtime.h>
> #include <linux/mbus.h>
> @@ -452,16 +449,6 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
> host->mmc->caps2 |= pdata->host_caps2;
> if (pdata->pm_caps)
> host->mmc->pm_caps |= pdata->pm_caps;
> -
> - if (gpio_is_valid(pdata->ext_cd_gpio)) {
> - ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio,
> - 0);
> - if (ret) {
> - dev_err(mmc_dev(host->mmc),
> - "failed to allocate card detect gpio\n");
> - goto err_cd_req;
> - }
> - }
> }
>
> pm_runtime_get_noresume(&pdev->dev);
> @@ -486,7 +473,6 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
> pm_runtime_disable(&pdev->dev);
> pm_runtime_put_noidle(&pdev->dev);
> err_of_parse:
> -err_cd_req:
> err_mbus_win:
> clk_disable_unprepare(pxa->clk_io);
> clk_disable_unprepare(pxa->clk_core);
> diff --git a/include/linux/platform_data/pxa_sdhci.h b/include/linux/platform_data/pxa_sdhci.h
> index 9e20c2fb4ffd..4977c06d8a86 100644
> --- a/include/linux/platform_data/pxa_sdhci.h
> +++ b/include/linux/platform_data/pxa_sdhci.h
> @@ -33,8 +33,6 @@
> * 1: choose feedback clk + delay value
> * 2: choose internal clk
> * @clk_delay_enable: enable clk_delay or not, used on pxa910
> - * @ext_cd_gpio: gpio pin used for external CD line
> - * @ext_cd_gpio_invert: invert values for external CD gpio line
> * @max_speed: the maximum speed supported
> * @host_caps: Standard MMC host capabilities bit field.
> * @quirks: quirks of platfrom
> @@ -46,8 +44,6 @@ struct sdhci_pxa_platdata {
> unsigned int clk_delay_cycles;
> unsigned int clk_delay_sel;
> bool clk_delay_enable;
> - unsigned int ext_cd_gpio;
> - bool ext_cd_gpio_invert;
> unsigned int max_speed;
> u32 host_caps;
> u32 host_caps2;
