mmc: tmio: remove indirection of 'execute_tuning' callback

After all the previous refactorization, we can now populate mmc_ops
directly and don't need a layer inbetween. The NULL-pointer check and
the error printout are already done by the MMC core.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20200820132538.24758-7-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 50a92d4..1243c42 100644 (file)
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -519,8 +519,9 @@ static int renesas_sdhi_select_tuning(struct tmio_mmc_host *host)
        return 0;
 }
 
-static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
+static int renesas_sdhi_execute_tuning(struct mmc_host *mmc, u32 opcode)
 {
+       struct tmio_mmc_host *host = mmc_priv(mmc);
        struct renesas_sdhi *priv = host_to_priv(host);
        int i, ret;
 
@@ -543,7 +544,7 @@ static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
                /* Set sampling clock position */
                sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET, i % priv->tap_num);
 
-               if (mmc_send_tuning(host->mmc, opcode, NULL) == 0)
+               if (mmc_send_tuning(mmc, opcode, NULL) == 0)
                        set_bit(i, priv->taps);
 
                if (sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_SMPCMP) == 0)
@@ -942,8 +943,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
                if (!hit)
                        dev_warn(&host->pdev->dev, "Unknown clock rate for tuning\n");
 
-               host->execute_tuning = renesas_sdhi_execute_tuning;
                host->check_retune = renesas_sdhi_check_scc_error;
+               host->ops.execute_tuning = renesas_sdhi_execute_tuning;
                host->ops.prepare_hs400_tuning = renesas_sdhi_prepare_hs400_tuning;
                host->ops.hs400_downgrade = renesas_sdhi_disable_scc;
                host->ops.hs400_complete = renesas_sdhi_hs400_complete;

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index dac7170..51b5f38 100644 (file)
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -180,12 +180,6 @@ struct tmio_mmc_host {
        void (*reset)(struct tmio_mmc_host *host);
        bool (*check_retune)(struct tmio_mmc_host *host);
 
-       /*
-        * Mandatory callback for tuning to occur which is optional for SDR50
-        * and mandatory for SDR104.
-        */
-       int (*execute_tuning)(struct tmio_mmc_host *host, u32 opcode);
-
        void (*prepare_hs400_tuning)(struct tmio_mmc_host *host);
        void (*hs400_downgrade)(struct tmio_mmc_host *host);
        void (*hs400_complete)(struct tmio_mmc_host *host);

diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index e7bad76..0f266cb 100644 (file)
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -712,22 +712,6 @@ static int tmio_mmc_start_data(struct tmio_mmc_host *host,
        return 0;
 }
 
-static int tmio_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode)
-{
-       struct tmio_mmc_host *host = mmc_priv(mmc);
-       int ret;
-
-       if (!host->execute_tuning)
-               return 0;
-
-       ret = host->execute_tuning(host, opcode);
-
-       if (ret < 0)
-               dev_warn(&host->pdev->dev, "Tuning procedure failed\n");
-
-       return ret;
-}
-
 static void tmio_process_mrq(struct tmio_mmc_host *host,
                             struct mmc_request *mrq)
 {
@@ -1001,7 +985,6 @@ static struct mmc_host_ops tmio_mmc_ops = {
        .get_cd         = tmio_mmc_get_cd,
        .enable_sdio_irq = tmio_mmc_enable_sdio_irq,
        .multi_io_quirk = tmio_multi_io_quirk,
-       .execute_tuning = tmio_mmc_execute_tuning,
 };
 
 static int tmio_mmc_init_ocr(struct tmio_mmc_host *host)