[U-Boot] [PATCH 05/18] sf: export spi_flash_wait_ready() function

[Cyrille Pitchen]

This patch exports a new function so future drivers can use it.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen at atmel.com>
---
 drivers/mtd/spi/sf_internal.h | 3 +++
 drivers/mtd/spi/spi_flash.c   | 7 ++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 25fc5a112d92..e2a4449dbf40 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -190,6 +190,9 @@ static inline int spi_flash_cmd_write_disable(struct spi_flash *flash)
 	return spi_flash_cmd(flash->spi, CMD_WRITE_DISABLE, NULL, 0);
 }
 
+/* Wait for Busy/Write in Progress flag to be cleared */
+int spi_flash_wait_ready(struct spi_flash *flash);
+
 /*
  * Used for spi_flash register update operation
  * - spi_flash_cmd_write_enable
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index e43e74fd95cd..6f30ff6f8d7c 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -249,6 +249,11 @@ static int spi_flash_cmd_wait_ready(struct spi_flash *flash,
 	return -ETIMEDOUT;
 }
 
+int spi_flash_wait_ready(struct spi_flash *flash)
+{
+	return spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+}
+
 int spi_flash_update_reg(struct spi_flash *flash, u8 opcode,
 			 size_t len, const void *buf)
 {
@@ -267,7 +272,7 @@ int spi_flash_update_reg(struct spi_flash *flash, u8 opcode,
 		return ret;
 	}
 
-	ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+	ret = spi_flash_wait_ready(flash);
 	if (ret < 0) {
 		debug("SF: write register timed out\n");
 		return ret;
-- 
1.8.2.2