mmc: mediatek: fill the actual clock for mmc debugfs

as the mmc core layer has the mmc->actual_clock, so fill it
and drop msdc_host->sclk.

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 1c1c9678c0e9cacadbf953e4a319a112f5b9d199..ef45f1dd33b77f23919c13180251d0640146e0c2 100644 (file)
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -391,7 +391,6 @@ struct msdc_host {
        struct clk *src_clk_cg; /* msdc source clock control gate */
        u32 mclk;               /* mmc subsystem clock frequency */
        u32 src_clk_freq;       /* source clock frequency */
-       u32 sclk;               /* SD/MS bus clock frequency */
        unsigned char timing;
        bool vqmmc_enabled;
        u32 latch_ck;
@@ -636,10 +635,10 @@ static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks)
 
        host->timeout_ns = ns;
        host->timeout_clks = clks;
-       if (host->sclk == 0) {
+       if (host->mmc->actual_clock == 0) {
                timeout = 0;
        } else {
-               clk_ns  = 1000000000UL / host->sclk;
+               clk_ns  = 1000000000UL / host->mmc->actual_clock;
                timeout = (ns + clk_ns - 1) / clk_ns + clks;
                /* in 1048576 sclk cycle unit */
                timeout = (timeout + (0x1 << 20) - 1) >> 20;
@@ -686,6 +685,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
        if (!hz) {
                dev_dbg(host->dev, "set mclk to 0\n");
                host->mclk = 0;
+               host->mmc->actual_clock = 0;
                sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN);
                return;
        }
@@ -764,7 +764,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
        while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB))
                cpu_relax();
        sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN);
-       host->sclk = sclk;
+       host->mmc->actual_clock = sclk;
        host->mclk = hz;
        host->timing = timing;
        /* need because clk changed. */
@@ -775,7 +775,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
         * mmc_select_hs400() will drop to 50Mhz and High speed mode,
         * tune result of hs200/200Mhz is not suitable for 50Mhz
         */
-       if (host->sclk <= 52000000) {
+       if (host->mmc->actual_clock <= 52000000) {
                writel(host->def_tune_para.iocon, host->base + MSDC_IOCON);
                writel(host->def_tune_para.pad_tune, host->base + tune_reg);
        } else {
@@ -790,7 +790,8 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
                sdr_set_field(host->base + PAD_CMD_TUNE,
                              MSDC_PAD_TUNE_CMDRRDLY,
                              host->hs400_cmd_int_delay);
-       dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->sclk, timing);
+       dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->mmc->actual_clock,
+               timing);
 }
 
 static inline u32 msdc_cmd_find_resp(struct msdc_host *host,