mmc: fix spares errors of sdhci.c

1. sdhci_prepare_data: fix shadowing of count variable
	u8 count
	int count -> sg_cnt;
2.  sdhci_add_host: assignment of integer to pointer
	dma_mask = 0 -> dma_mask = NULL;

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index d3e4a39..13bd681 100644 (file)
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -672,14 +672,14 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
                                        host->ioaddr + SDHCI_ADMA_ADDRESS);
                        }
                } else {
-                       int count;
+                       int sg_cnt;
 
-                       count = dma_map_sg(mmc_dev(host->mmc),
+                       sg_cnt = dma_map_sg(mmc_dev(host->mmc),
                                        data->sg, data->sg_len,
                                        (data->flags & MMC_DATA_READ) ?
                                                DMA_FROM_DEVICE :
                                                DMA_TO_DEVICE);
-                       if (count == 0) {
+                       if (sg_cnt == 0) {
                                /*
                                 * This only happens when someone fed
                                 * us an invalid request.
@@ -1583,7 +1583,7 @@ int sdhci_add_host(struct sdhci_host *host)
 
        /* XXX: Hack to get MMC layer to avoid highmem */
        if (!(host->flags & SDHCI_USE_DMA))
-               mmc_dev(host->mmc)->dma_mask = 0;
+               mmc_dev(host->mmc)->dma_mask = NULL;
 
        host->max_clk =
                (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;