Merge branch 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

[karo-tx-linux.git] / drivers / mmc / host / sdhci.c

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 0ad412a4876fae403a1a2cdd1a75e7761c809fac..c80287a027356e079e366401c2d5f64d9967461b 100644 (file)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -28,6 +28,7 @@
 #include <linux/mmc/mmc.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
+#include <linux/mmc/sdio.h>
 #include <linux/mmc/slot-gpio.h>
 
 #include "sdhci.h"
@@ -56,6 +57,7 @@ static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable);
 static int sdhci_pre_dma_transfer(struct sdhci_host *host,
                                        struct mmc_data *data,
                                        struct sdhci_host_next *next);
+static int sdhci_do_get_cd(struct sdhci_host *host);
 
 #ifdef CONFIG_PM
 static int sdhci_runtime_pm_get(struct sdhci_host *host);
@@ -931,7 +933,8 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
                 * If we are sending CMD23, CMD12 never gets sent
                 * on successful completion (so no Auto-CMD12).
                 */
-               if (!host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD12))
+               if (!host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD12) &&
+                   (cmd->opcode != SD_IO_RW_EXTENDED))
                        mode |= SDHCI_TRNS_AUTO_CMD12;
                else if (host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) {
                        mode |= SDHCI_TRNS_AUTO_CMD23;
@@ -1356,7 +1359,8 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 
        sdhci_runtime_pm_get(host);
 
-       present = mmc_gpio_get_cd(host->mmc);
+       /* Firstly check card presence */
+       present = sdhci_do_get_cd(host);
 
        spin_lock_irqsave(&host->lock, flags);
 
@@ -1379,22 +1383,6 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 
        host->mrq = mrq;
 
-       /*
-        * Firstly check card presence from cd-gpio.  The return could
-        * be one of the following possibilities:
-        *     negative: cd-gpio is not available
-        *     zero: cd-gpio is used, and card is removed
-        *     one: cd-gpio is used, and card is present
-        */
-       if (present < 0) {
-               /* If polling, assume that the card is always present. */
-               if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
-                       present = 1;
-               else
-                       present = sdhci_readl(host, SDHCI_PRESENT_STATE) &
-                                       SDHCI_CARD_PRESENT;
-       }
-
        if (!present || host->flags & SDHCI_DEVICE_DEAD) {
                host->mrq->cmd->error = -ENOMEDIUM;
                tasklet_schedule(&host->finish_tasklet);
@@ -3164,7 +3152,8 @@ int sdhci_add_host(struct sdhci_host *host)
        /* Auto-CMD23 stuff only works in ADMA or PIO. */
        if ((host->version >= SDHCI_SPEC_300) &&
            ((host->flags & SDHCI_USE_ADMA) ||
-            !(host->flags & SDHCI_USE_SDMA))) {
+            !(host->flags & SDHCI_USE_SDMA)) &&
+            !(host->quirks2 & SDHCI_QUIRK2_ACMD23_BROKEN)) {
                host->flags |= SDHCI_AUTO_CMD23;
                DBG("%s: Auto-CMD23 available\n", mmc_hostname(mmc));
        } else {