[U-Boot] [PATCH v2 3/4] sf: Add debug messages on spi_flash_read_common
Jagannadha Sutradharudu Teki
jagannadha.sutradharudu-teki at xilinx.com
Sat Jun 15 18:57:22 CEST 2013
- Added debug's on spi_flash_read_common()
- Added space
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
---
Changes for v2:
- none
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 492a784..f53d001 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
More information about the U-Boot
mailing list