[U-Boot] [PATCH v3 3/4] sf: Add debug messages on spi_flash_read_common

[Jagannadha Sutradharudu Teki]

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

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
---
Changes for v3:
	-
Changes for v2:
	-

 drivers/mtd/spi/spi_flash.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

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 @@ 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;
-- 
1.8.3