[U-Boot] [PATCH v4 10/21] sf: Move the read_id code to sf_ops

[Jagan Teki]

read_id code is related to spi_flash stuff hence moved to sf_ops.

Signed-off-by: Jagan Teki <jteki at openedev.com>
---
Changes for v4, v3, v2:
	- none

 drivers/mtd/spi/sf_internal.h |  3 +--
 drivers/mtd/spi/sf_ops.c      | 21 ++++++++++++++++++---
 drivers/mtd/spi/sf_probe.c    | 15 +--------------
 3 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 3f07560..8216fdc 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -235,7 +235,6 @@ void spi_flash_mtd_unregister(void);
 /**
  * spi_flash_scan - scan the SPI FLASH
  * @spi:	the spi slave structure
- * @idcode:	idcode of spi flash
  * @flash:	the spi flash structure
  *
  * The drivers can use this fuction to scan the SPI FLASH.
@@ -244,6 +243,6 @@ void spi_flash_mtd_unregister(void);
  *
  * Return: 0 for success, others for failure.
  */
-int spi_flash_scan(struct spi_slave *spi, u8 *idcode, struct spi_flash *flash);
+int spi_flash_scan(struct spi_slave *spi, struct spi_flash *flash);
 
 #endif /* _SF_INTERNAL_H_ */
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
index d37b0a9..016a5df 100644
--- a/drivers/mtd/spi/sf_ops.c
+++ b/drivers/mtd/spi/sf_ops.c
@@ -706,14 +706,29 @@ int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash)
 }
 #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
 
-int spi_flash_scan(struct spi_slave *spi, u8 *idcode, struct spi_flash *flash)
+int spi_flash_scan(struct spi_slave *spi, struct spi_flash *flash)
 {
 	const struct spi_flash_params *params;
+	u16 jedec, ext_jedec;
+	u8 idcode[5];
 	u8 cmd;
-	u16 jedec = idcode[1] << 8 | idcode[2];
-	u16 ext_jedec = idcode[3] << 8 | idcode[4];
 	int ret;
 
+	/* Read the ID codes */
+	ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode));
+	if (ret) {
+		printf("SF: Failed to get idcodes\n");
+		return -EINVAL;
+	}
+
+#ifdef DEBUG
+	printf("SF: Got idcodes\n");
+	print_buffer(0, idcode, 1, sizeof(idcode), 0);
+#endif
+
+	jedec = idcode[1] << 8 | idcode[2];
+	ext_jedec = idcode[3] << 8 | idcode[4];
+
 	/* Validate params from spi_flash_params table */
 	params = spi_flash_params_table;
 	for (; params->name != NULL; params++) {
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index d2991de..a712792 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -29,7 +29,6 @@
  */
 int spi_flash_probe_slave(struct spi_slave *spi, struct spi_flash *flash)
 {
-	u8 idcode[5];
 	int ret;
 
 	/* Setup spi_slave */
@@ -45,19 +44,7 @@ int spi_flash_probe_slave(struct spi_slave *spi, struct spi_flash *flash)
 		return ret;
 	}
 
-	/* Read the ID codes */
-	ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode));
-	if (ret) {
-		printf("SF: Failed to get idcodes\n");
-		goto err_read_id;
-	}
-
-#ifdef DEBUG
-	printf("SF: Got idcodes\n");
-	print_buffer(0, idcode, 1, sizeof(idcode), 0);
-#endif
-
-	ret = spi_flash_scan(spi, idcode, flash);
+	ret = spi_flash_scan(spi, flash);
 	if (ret) {
 		ret = -EINVAL;
 		goto err_read_id;
-- 
1.9.1