cmd_sf: Add print mesg for 'sf erase' command

This patch adds a print messages while using 'sf erase' command to make sure that how many bytes erased in flash device.

Signed-off-by Jagannadha Sutradharudu Teki <[email protected]>

---
common/cmd_sf.c | 8 +++-----

  drivers/mtd/spi/spi_flash.c |    7 ++-----
  2 files changed, 5 insertions(+), 10 deletions(-)

common/cmd_sf.c +3 -5

index 1daff70..12d1aca 100644
@@ -305,12 +305,10 @@ static int do_spi_flash_erase(int argc, char * const argv[])
  	}
 
  	ret = spi_flash_erase(flash, offset, len);
-	if (ret) {
-		printf("SPI flash %s failed\n", argv[0]);
-		return 1;
-	}
+	printf("SF: %zu bytes @ %#x Erased: %s\n", (size_t)len, (u32)offset,
+			ret ? "ERROR" : "OK");
 
-	return 0;
+	return ret == 0 ? 0 : 1;
  }
 
  #ifdef CONFIG_CMD_SF_TEST

drivers/mtd/spi/spi_flash.c +2 -3

index d2bee3a..77938d3 100644
@@ -206,7 +206,7 @@ int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout)
 
  int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len)
  {
-	u32 start, end, erase_size;
+	u32 end, erase_size;
  	int ret;
  	u8 cmd[4];
 

@@ -226,8 +226,7 @@ int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len)
  		cmd[0] = CMD_ERASE_4K;
  	else
  		cmd[0] = CMD_ERASE_64K;
-	start = offset;
-	end = start + len;
+	end = offset + len;
 
  	while (offset < end) {
  		spi_flash_addr(offset, cmd);

This patch adds a print messages while using 'sf read' and 'sf write' commands to make sure that how many bytes read/written from/into flash device.

Signed-off-by Jagannadha Sutradharudu Teki <[email protected]>

---
common/cmd_sf.c | 26 +++++++++++++++-----------

  drivers/mtd/spi/spi_flash.c |    3 ---
  2 files changed, 15 insertions(+), 14 deletions(-)

common/cmd_sf.c +15 -11

index 12d1aca..3a40444 100644
@@ -234,7 +234,7 @@ static int do_spi_flash_read_write(int argc, char * const argv[])
  	unsigned long len;
  	void *buf;
  	char *endp;
-	int ret;
+	int ret = 1;
 
  	if (argc < 4)
  		return -1;

@@ -264,19 +264,23 @@ static int do_spi_flash_read_write(int argc, char * const argv[])
 
  	if (strcmp(argv[0], "update") == 0)
  		ret = spi_flash_update(flash, offset, len, buf);
-	else if (strcmp(argv[0], "read") == 0)
-		ret = spi_flash_read(flash, offset, len, buf);
-	else
-		ret = spi_flash_write(flash, offset, len, buf);
+	else if (strncmp(argv[0], "read", 4) == 0 ||
+			strncmp(argv[0], "write", 5) == 0) {
+		int read;
+
+		read = strncmp(argv[0], "read", 4) == 0;
+		if (read)
+			ret = spi_flash_read(flash, offset, len, buf);
+		else
+			ret = spi_flash_write(flash, offset, len, buf);
+
+		printf("SF: %zu bytes @ %#x %s: %s\n", (size_t)len, (u32)offset,
+			read ? "Read" : "Written", ret ? "ERROR" : "OK");
+	}
 
  	unmap_physmem(buf, len);
 
-	if (ret) {
-		printf("SPI flash %s failed\n", argv[0]);
-		return 1;
-	}
-
-	return 0;
+	return ret == 0 ? 0 : 1;
  }
 
  static int do_spi_flash_erase(int argc, char * const argv[])

drivers/mtd/spi/spi_flash.c +0 -0

index 77938d3..aeb1ccb 100644