mmc: tmio: remove TMIO_MMC_WRPROTECT_DISABLE

The use of this flag has been replaced with MMC_CAP2_NO_WRITE_PROTECT.
No platform defines this flag any more.  Remove.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

drivers/mmc/host/tmio_mmc_core.c

@@ -1061,10 +1061,9 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 static int tmio_mmc_get_ro(struct mmc_host *mmc)
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
-	struct tmio_mmc_data *pdata = host->pdata;
 
-	return !((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) ||
-		 (sd_ctrl_read16_and_16_as_32(host, CTL_STATUS) & TMIO_STAT_WRPROTECT));
+	return !(sd_ctrl_read16_and_16_as_32(host, CTL_STATUS) &
+		 TMIO_STAT_WRPROTECT);
 }
 
 static int tmio_multi_io_quirk(struct mmc_card *card,

include/linux/mfd/tmio.h

@@ -36,7 +36,6 @@
 	} while (0)
 
 /* tmio MMC platform flags */
-#define TMIO_MMC_WRPROTECT_DISABLE	BIT(0)
 /*
  * Some controllers can support a 2-byte block size when the bus width
  * is configured in 4-bit mode.