4 files changed, 17 insertions, 34 deletions

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index dd2d374dcc7a..276d21ce6bc1 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -554,7 +554,6 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
         struct mmc_request mrq = {NULL};
         struct mmc_command cmd = {0};
         struct mmc_data data = {0};
-        unsigned int timeout_us;
 
         struct scatterlist sg;
 
@@ -574,23 +573,12 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
         cmd.arg = 0;
         cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC;
 
-        data.timeout_ns = card->csd.tacc_ns * 100;
-        data.timeout_clks = card->csd.tacc_clks * 100;
-
-        timeout_us = data.timeout_ns / 1000;
-        timeout_us += data.timeout_clks * 1000 /
-                (card->host->ios.clock / 1000);
-
-        if (timeout_us > 100000) {
-                data.timeout_ns = 100000000;
-                data.timeout_clks = 0;
-        }
-
         data.blksz = 4;
         data.blocks = 1;
         data.flags = MMC_DATA_READ;
         data.sg = &sg;
         data.sg_len = 1;
+        mmc_set_data_timeout(&data, card);
 
         mrq.cmd = &cmd;
         mrq.data = &data;
diff --git a/drivers/mmc/core/cd-gpio.c b/drivers/mmc/core/cd-gpio.c
index f13e38deceac..8f5dc08d6598 100644
--- a/drivers/mmc/core/cd-gpio.c
+++ b/drivers/mmc/core/cd-gpio.c
@@ -50,8 +50,8 @@ int mmc_cd_gpio_request(struct mmc_host *host, unsigned int gpio)
                 goto egpioreq;
 
         ret = request_threaded_irq(irq, NULL, mmc_cd_gpio_irqt,
-                                   IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
-                                   cd->label, host);
+                                   IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+                                   IRQF_ONESHOT, cd->label, host);
         if (ret < 0)
                 goto eirqreq;
 
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 258b203397aa..4f4489aa6bae 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -717,10 +717,6 @@ static int mmc_select_powerclass(struct mmc_card *card,
                                  card->ext_csd.generic_cmd6_time);
         }
 
-        if (err)
-                pr_err("%s: power class selection for ext_csd_bus_width %d"
-                       " failed\n", mmc_hostname(card->host), bus_width);
-
         return err;
 }
 
@@ -1104,7 +1100,9 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                                 EXT_CSD_BUS_WIDTH_8 : EXT_CSD_BUS_WIDTH_4;
                 err = mmc_select_powerclass(card, ext_csd_bits, ext_csd);
                 if (err)
-                        goto err;
+                        pr_warning("%s: power class selection to bus width %d"
+                                   " failed\n", mmc_hostname(card->host),
+                                   1 << bus_width);
         }
 
         /*
@@ -1136,7 +1134,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                         err = mmc_select_powerclass(card, ext_csd_bits[idx][0],
                                                     ext_csd);
                         if (err)
-                                goto err;
+                                pr_warning("%s: power class selection to "
+                                           "bus width %d failed\n",
+                                           mmc_hostname(card->host),
+                                           1 << bus_width);
 
                         err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                          EXT_CSD_BUS_WIDTH,
@@ -1164,7 +1165,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                         err = mmc_select_powerclass(card, ext_csd_bits[idx][1],
                                                     ext_csd);
                         if (err)
-                                goto err;
+                                pr_warning("%s: power class selection to "
+                                           "bus width %d ddr %d failed\n",
+                                           mmc_hostname(card->host),
+                                           1 << bus_width, ddr);
 
                         err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                          EXT_CSD_BUS_WIDTH,
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 9a7a60aeb19e..389a3eedfc24 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -85,7 +85,6 @@
 #define BRR_ENABLE              (1 << 5)
 #define DTO_ENABLE              (1 << 20)
 #define INIT_STREAM             (1 << 1)
-#define ACEN_ACMD12             (1 << 2)
 #define DP_SELECT               (1 << 21)
 #define DDIR                    (1 << 4)
 #define DMA_EN                  0x1
@@ -117,7 +116,6 @@
 #define OMAP_MMC_MAX_CLOCK      52000000
 #define DRIVER_NAME             "omap_hsmmc"
 
-#define AUTO_CMD12              (1 << 0)        /* Auto CMD12 support */
 /*
  * One controller can have multiple slots, like on some omap boards using
  * omap.c controller driver. Luckily this is not currently done on any known
@@ -177,7 +175,6 @@ struct omap_hsmmc_host {
         int                     reqs_blocked;
         int                     use_reg;
         int                     req_in_progress;
-        unsigned int            flags;
         struct omap_hsmmc_next  next_data;
 
         struct  omap_mmc_platform_data  *pdata;
@@ -773,8 +770,6 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd,
                 cmdtype = 0x3;
 
         cmdreg = (cmd->opcode << 24) | (resptype << 16) | (cmdtype << 22);
-        if ((host->flags & AUTO_CMD12) && mmc_op_multi(cmd->opcode))
-                cmdreg |= ACEN_ACMD12;
 
         if (data) {
                 cmdreg |= DP_SELECT | MSBS | BCE;
@@ -847,14 +842,11 @@ omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data)
         else
                 data->bytes_xfered = 0;
 
-        if (data->stop && ((!(host->flags & AUTO_CMD12)) || data->error)) {
-                omap_hsmmc_start_command(host, data->stop, NULL);
-        } else {
-                if (data->stop)
-                        data->stop->resp[0] = OMAP_HSMMC_READ(host->base,
-                                                        RSP76);
+        if (!data->stop) {
                 omap_hsmmc_request_done(host, data->mrq);
+                return;
         }
+        omap_hsmmc_start_command(host, data->stop, NULL);
 }
 
 /*
@@ -1859,7 +1851,6 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
         host->mapbase   = res->start + pdata->reg_offset;
         host->base      = ioremap(host->mapbase, SZ_4K);
         host->power_mode = MMC_POWER_OFF;
-        host->flags     = AUTO_CMD12;
         host->next_data.cookie = 1;
 
         platform_set_drvdata(pdev, host);