From: lintao <lintao@rock-chips.com>
Date: Mon, 2 Mar 2015 01:25:57 +0000 (+0800)
Subject: mmc: replace tSD enumaration machanism
X-Git-Tag: firefly_0821_release~4263^2~31
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=43faede2e2ee19e351eceee298eca27c1cf03e25;p=firefly-linux-kernel-4.4.55.git

mmc: replace tSD enumaration machanism

	Remove dt property "support-tSD" and combine "support-emmc" with
"support-sd" in together for tSD/emmc distinguish by mmc core. More details
please refer to arch/arm/boot/dts/rk3288-tb.dts

Signed-off-by: lintao <lintao@rock-chips.com>
---

diff --git a/arch/arm/boot/dts/rk3288-tb.dts b/arch/arm/boot/dts/rk3288-tb.dts
index 023ec6a84b67..9858154d3e17 100755
--- a/arch/arm/boot/dts/rk3288-tb.dts
+++ b/arch/arm/boot/dts/rk3288-tb.dts
@@ -235,9 +235,9 @@
 
         supports-highspeed;
 	supports-emmc;
+	//supports-sd;
         bootpart-no-access;
 	
-	//supports-tSD;
 	//supports-DDR_MODE; //you should set the two value in your project. only close in RK3288-SDK board.
 	//caps2-mmc-hs200;
 
diff --git a/arch/arm/boot/dts/rk3288-tb_8846.dts b/arch/arm/boot/dts/rk3288-tb_8846.dts
index 6362cd2b16dd..caeaaefff8b3 100755
--- a/arch/arm/boot/dts/rk3288-tb_8846.dts
+++ b/arch/arm/boot/dts/rk3288-tb_8846.dts
@@ -276,9 +276,9 @@
 
         supports-highspeed;
 	supports-emmc;
-        bootpart-no-access;
+        //supports-sd;
+	bootpart-no-access;
 
-	//supports-tSD;
 	//supports-DDR_MODE; //you should set the two value in your project. only close in RK3288-SDK board.
 	//caps2-mmc-hs200;
 
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 3e809c2435c8..af07fadfffaa 100755
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2419,17 +2419,17 @@ static int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq)
 	    mmc_send_if_cond(host, host->ocr_avail);
 
         /* Order's important: probe SDIO, then SD, then MMC */
-	if ((host->restrict_caps & RESTRICT_CARD_TYPE_SDIO) && !mmc_attach_sdio(host))
+	if ((host->restrict_caps & RESTRICT_CARD_TYPE_SDIO) &&
+		!mmc_attach_sdio(host))
 		return 0;
-	if ((host->restrict_caps & (RESTRICT_CARD_TYPE_SD | RESTRICT_CARD_TYPE_TSD)) && !mmc_attach_sd(host))
+	if ((host->restrict_caps & RESTRICT_CARD_TYPE_SD) &&
+		!mmc_attach_sd(host))
+		return 0;
+	if ((host->restrict_caps & RESTRICT_CARD_TYPE_EMMC) &&
+		!mmc_attach_mmc(host))
 		return 0;
-	if ((host->restrict_caps & RESTRICT_CARD_TYPE_EMMC) && !mmc_attach_mmc(host))
-		return 0;   
 #endif
 
-
-
-
 	mmc_power_off(host);
 	return -EIO;
 }
diff --git a/drivers/mmc/host/rk_sdmmc.c b/drivers/mmc/host/rk_sdmmc.c
index b7d1175a6c66..aea1afa7b576 100755
--- a/drivers/mmc/host/rk_sdmmc.c
+++ b/drivers/mmc/host/rk_sdmmc.c
@@ -3441,9 +3441,6 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 		mmc->restrict_caps |= RESTRICT_CARD_TYPE_SDIO;	
 	if (of_find_property(host->dev->of_node, "supports-emmc", NULL))
 		mmc->restrict_caps |= RESTRICT_CARD_TYPE_EMMC;
-	/* Fixup for tSD */
-        if (of_find_property(host->dev->of_node, "supports-tSD", NULL))
-		mmc->restrict_caps |= RESTRICT_CARD_TYPE_TSD;
 
         if (mmc->restrict_caps & RESTRICT_CARD_TYPE_SD) {
                 mmc->pm_notify.notifier_call = dw_mci_pm_notify;