mmc: struct device - replace bus_id with dev_name(), dev_set_name()

[linux-2.6-omap-h63xx.git] / drivers / mmc / host / mmc_spi.c

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 7503b81374e0783690df20afbc88da0b02a75e85..ad00e163231750177f39e4c6949e1d4cda3b916b 100644 (file)
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -95,8 +95,6 @@
  * reads which takes nowhere near that long.  Older cards may be able to use
  * shorter timeouts ... but why bother?
  */
-#define readblock_timeout      ktime_set(0, 100 * 1000 * 1000)
-#define writeblock_timeout     ktime_set(0, 250 * 1000 * 1000)
 #define r1b_timeout            ktime_set(3, 0)
 
 
@@ -220,9 +218,9 @@ mmc_spi_wait_unbusy(struct mmc_spi_host *host, ktime_t timeout)
        return mmc_spi_skip(host, timeout, sizeof(host->data->status), 0);
 }
 
-static int mmc_spi_readtoken(struct mmc_spi_host *host)
+static int mmc_spi_readtoken(struct mmc_spi_host *host, ktime_t timeout)
 {
-       return mmc_spi_skip(host, readblock_timeout, 1, 0xff);
+       return mmc_spi_skip(host, timeout, 1, 0xff);
 }
 
 
@@ -605,7 +603,8 @@ mmc_spi_setup_data_message(
  * Return negative errno, else success.
  */
 static int
-mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t)
+mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
+       ktime_t timeout)
 {
        struct spi_device       *spi = host->spi;
        int                     status, i;
@@ -673,7 +672,7 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t)
                if (scratch->status[i] != 0)
                        return 0;
        }
-       return mmc_spi_wait_unbusy(host, writeblock_timeout);
+       return mmc_spi_wait_unbusy(host, timeout);
 }
 
 /*
@@ -693,7 +692,8 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t)
  * STOP_TRANSMISSION command.
  */
 static int
-mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t)
+mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
+       ktime_t timeout)
 {
        struct spi_device       *spi = host->spi;
        int                     status;
@@ -707,7 +707,7 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t)
                return status;
        status = scratch->status[0];
        if (status == 0xff || status == 0)
-               status = mmc_spi_readtoken(host);
+               status = mmc_spi_readtoken(host, timeout);
 
        if (status == SPI_TOKEN_SINGLE) {
                if (host->dma_dev) {
@@ -778,6 +778,8 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
        struct scatterlist      *sg;
        unsigned                n_sg;
        int                     multiple = (data->blocks > 1);
+       u32                     clock_rate;
+       ktime_t                 timeout;
 
        if (data->flags & MMC_DATA_READ)
                direction = DMA_FROM_DEVICE;
@@ -786,6 +788,14 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
        mmc_spi_setup_data_message(host, multiple, direction);
        t = &host->t;
 
+       if (t->speed_hz)
+               clock_rate = t->speed_hz;
+       else
+               clock_rate = spi->max_speed_hz;
+
+       timeout = ktime_add_ns(ktime_set(0, 0), data->timeout_ns +
+                       data->timeout_clks * 1000000 / clock_rate);
+
        /* Handle scatterlist segments one at a time, with synch for
         * each 512-byte block
         */
@@ -832,9 +842,9 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
                                t->len);
 
                        if (direction == DMA_TO_DEVICE)
-                               status = mmc_spi_writeblock(host, t);
+                               status = mmc_spi_writeblock(host, t, timeout);
                        else
-                               status = mmc_spi_readblock(host, t);
+                               status = mmc_spi_readblock(host, t, timeout);
                        if (status < 0)
                                break;
 
@@ -917,7 +927,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
                        if (scratch->status[tmp] != 0)
                                return;
                }
-               tmp = mmc_spi_wait_unbusy(host, writeblock_timeout);
+               tmp = mmc_spi_wait_unbusy(host, timeout);
                if (tmp < 0 && !data->error)
                        data->error = tmp;
        }
@@ -1338,7 +1348,7 @@ static int mmc_spi_probe(struct spi_device *spi)
                goto fail_add_host;
 
        dev_info(&spi->dev, "SD/MMC host %s%s%s%s%s\n",
-                       mmc->class_dev.bus_id,
+                       dev_name(&mmc->class_dev),
                        host->dma_dev ? "" : ", no DMA",
                        (host->pdata && host->pdata->get_ro)
                                ? "" : ", no WP",