commit 29fbfc10f4b3eee5773f7e1f0a56f936730b639d
author Jagannadha Sutradharudu Teki <jagannadha.sutradharudu-teki@xilinx.com> Fri Jun 21 19:19:02 2013 +0530
committer Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Sun Jun 23 22:10:36 2013 +0530
tree bb80871d23b96298452d0fadb1f3f822677fd1df
parent 95e779e4f475f66995f383e71611081e225f01f4

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>

drivers/mtd/spi/spi_flash.c

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index a329850..51142d8 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -254,8 +254,18 @@
 	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;