[PATCH v6 01/13] mtd: rawnand: brcmnand: exec_op helper functions return type fixes

[William Zhang]

From: David Regan <dregan at broadcom.com>

Fix return types for exec_op reset and status helper functions.

Reported-by: Dan Carpenter <dan.carpenter at linaro.org>
Closes: http://lists.infradead.org/pipermail/linux-mtd/2023-December/102423.html
Fixes: 3c8260ce7663 ("mtd: rawnand: brcmnand: exec_op implementation")
Signed-off-by: David Regan <dregan at broadcom.com>
Signed-off-by: William Zhang <william.zhang at broadcom.com>
Reviewed-by: William Zhang <william.zhang at broadcom.com>

---

Changes in v6:
- Moved style fixes to a separate patch

Changes in v5: None
Changes in v4:
- Fix the commit id in the fixes tag

Changes in v3: None
Changes in v2:
- Added to patch series

 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 8faca43ae1ff..b8e70fc64348 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -625,7 +625,7 @@ enum {
 /* Only for v7.2 */
 #define	ACC_CONTROL_ECC_EXT_SHIFT		13
 
-static u8 brcmnand_status(struct brcmnand_host *host);
+static int brcmnand_status(struct brcmnand_host *host);
 
 static inline bool brcmnand_non_mmio_ops(struct brcmnand_controller *ctrl)
 {
@@ -1690,7 +1690,7 @@ static int brcmnand_waitfunc(struct nand_chip *chip)
 				 INTFC_FLASH_STATUS;
 }
 
-static u8 brcmnand_status(struct brcmnand_host *host)
+static int brcmnand_status(struct brcmnand_host *host)
 {
 	struct nand_chip *chip = &host->chip;
 	struct mtd_info *mtd = nand_to_mtd(chip);
@@ -1701,7 +1701,7 @@ static u8 brcmnand_status(struct brcmnand_host *host)
 	return brcmnand_waitfunc(chip);
 }
 
-static u8 brcmnand_reset(struct brcmnand_host *host)
+static int brcmnand_reset(struct brcmnand_host *host)
 {
 	struct nand_chip *chip = &host->chip;
 
@@ -2433,7 +2433,11 @@ static int brcmnand_exec_op(struct nand_chip *chip,
 
 	if (brcmnand_op_is_status(op)) {
 		status = op->instrs[1].ctx.data.buf.in;
-		*status = brcmnand_status(host);
+		ret = brcmnand_status(host);
+		if (ret < 0)
+			return ret;
+
+		*status = ret & 0xFF;
 
 		return 0;
 	}
-- 
2.37.3