mmc: tmio/sdhi: distinguish between SCLKDIVEN and ILL_FUNC
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Wed, 27 Apr 2016 16:51:26 +0000 (18:51 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 2 May 2016 08:36:03 +0000 (10:36 +0200)
This bit has a different meaning in SDHI and original TMIO. Document
that and use the proper naming.

Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sh_mobile_sdhi.c
drivers/mmc/host/tmio_mmc.h
drivers/mmc/host/tmio_mmc_pio.c

index 3bf68b4..f8ea3d1 100644 (file)
@@ -244,7 +244,8 @@ static int sh_mobile_sdhi_wait_idle(struct tmio_mmc_host *host)
 {
        int timeout = 1000;
 
-       while (--timeout && !(sd_ctrl_read16(host, CTL_STATUS2) & (1 << 13)))
+       while (--timeout && !(sd_ctrl_read16_and_16_as_32(host, CTL_STATUS)
+                             & TMIO_STAT_SCLKDIVEN))
                udelay(1);
 
        if (!timeout) {
index 55f251f..8dd5ea4 100644 (file)
@@ -70,7 +70,8 @@
 #define TMIO_STAT_DAT0         BIT(23) /* only known on R-Car so far */
 #define TMIO_STAT_RXRDY         BIT(24)
 #define TMIO_STAT_TXRQ          BIT(25)
-#define TMIO_STAT_ILL_FUNC      BIT(29)
+#define TMIO_STAT_ILL_FUNC      BIT(29) /* only when !TMIO_MMC_HAS_IDLE_WAIT */
+#define TMIO_STAT_SCLKDIVEN     BIT(29) /* only when TMIO_MMC_HAS_IDLE_WAIT */
 #define TMIO_STAT_CMD_BUSY      BIT(30)
 #define TMIO_STAT_ILL_ACCESS    BIT(31)
 
index 57d3507..95f2299 100644 (file)
@@ -542,7 +542,7 @@ static void tmio_mmc_data_irq(struct tmio_mmc_host *host)
                 * waiting for one more interrupt fixes the problem.
                 */
                if (host->pdata->flags & TMIO_MMC_HAS_IDLE_WAIT) {
-                       if (status & TMIO_STAT_ILL_FUNC)
+                       if (status & TMIO_STAT_SCLKDIVEN)
                                done = true;
                } else {
                        if (!(status & TMIO_STAT_CMD_BUSY))