sf: unify read functions

[karo-tx-uboot.git] / drivers / mtd / spi / spi_flash.c

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index ca4bbb206a6f642e251eec2e36a677f6d61f4456..5c261f14a63b54c5d619dcc809f25e829e7c8faf 100644 (file)
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -77,6 +77,18 @@ int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
        return ret;
 }
 
+int spi_flash_cmd_read_fast(struct spi_flash *flash, u32 offset,
+               size_t len, void *data)
+{
+       u8 cmd[5];
+
+       cmd[0] = CMD_READ_ARRAY_FAST;
+       spi_flash_addr(offset, cmd);
+       cmd[4] = 0x00;
+
+       return spi_flash_read_common(flash, cmd, sizeof(cmd), data, len);
+}
+
 int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout,
                           u8 cmd, u8 poll_bit)
 {