From: Ai Kyuse Date: Thu, 3 Nov 2016 14:16:02 +0000 (+0100) Subject: mmc: tmio: Add hw reset support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e8f36b5d3b54a49df02c950050659a5082e2c880;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git mmc: tmio: Add hw reset support Add hw reset support. Signed-off-by: Ai Kyuse Signed-off-by: Simon Horman Acked-by: Wolfram Sang Tested-by: Wolfram Sang Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index f46d25e1612c..b8469f2de42b 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -167,6 +167,7 @@ struct tmio_mmc_host { int (*start_signal_voltage_switch)(struct mmc_host *mmc, struct mmc_ios *ios); int (*write16_hook)(struct tmio_mmc_host *host, int addr); + void (*hw_reset)(struct tmio_mmc_host *host); }; struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev); diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 5b4150aa6419..011d04e10231 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -789,6 +789,14 @@ static int tmio_mmc_start_data(struct tmio_mmc_host *host, return 0; } +static void tmio_mmc_hw_reset(struct mmc_host *mmc) +{ + struct tmio_mmc_host *host = mmc_priv(mmc); + + if (host->hw_reset) + host->hw_reset(host); +} + /* Process requests from the MMC layer */ static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) { @@ -1005,6 +1013,7 @@ static struct mmc_host_ops tmio_mmc_ops = { .get_cd = mmc_gpio_get_cd, .enable_sdio_irq = tmio_mmc_enable_sdio_irq, .multi_io_quirk = tmio_multi_io_quirk, + .hw_reset = tmio_mmc_hw_reset, }; static int tmio_mmc_init_ocr(struct tmio_mmc_host *host)