sf: Add debug messages on spi_flash_read_common

- Added debug's on spi_flash_read_common()
- Added space

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index a3298506c2adc46e92e9db5b75c56a97adc55523..51142d8f19a45529f5f08b36af42873827d822b2 100644 (file)
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -254,8 +254,18 @@ int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
        struct spi_slave *spi = flash->spi;
        int ret;
 
-       spi_claim_bus(spi);
+       ret = spi_claim_bus(flash->spi);
+       if (ret) {
+               debug("SF: unable to claim SPI bus\n");
+               return ret;
+       }
+
        ret = spi_flash_cmd_read(spi, cmd, cmd_len, data, data_len);
+       if (ret < 0) {
+               debug("SF: read cmd failed\n");
+               return ret;
+       }
+
        spi_release_bus(spi);
 
        return ret;