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Date: Wed,  7 Feb 2024 12:22:56 -0800
From: William Zhang <william.zhang@...adcom.com>
To: Linux MTD List <linux-mtd@...ts.infradead.org>,
	Linux ARM List <linux-arm-kernel@...ts.infradead.org>,
	Broadcom Kernel List <bcm-kernel-feedback-list@...adcom.com>
Cc: f.fainelli@...il.com,
	kursad.oney@...adcom.com,
	joel.peshkin@...adcom.com,
	anand.gore@...adcom.com,
	dregan@...l.com,
	kamal.dasu@...adcom.com,
	tomer.yacoby@...adcom.com,
	dan.beygelman@...adcom.com,
	David Regan <dregan@...adcom.com>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	William Zhang <william.zhang@...adcom.com>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	linux-kernel@...r.kernel.org,
	Vignesh Raghavendra <vigneshr@...com>,
	Brian Norris <computersforpeace@...il.com>,
	Richard Weinberger <richard@....at>
Subject: [PATCH v5 11/12] mtd: rawnand: brcmnand: exec_op helper functions return type fixes

From: David Regan <dregan@...adcom.com>

fix return type for exec_op reset and status detect helper functions

Reported-by: Dan Carpenter <dan.carpenter@...aro.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@...adcom.com>
Signed-off-by: William Zhang <william.zhang@...adcom.com>
Reviewed-by: William Zhang <william.zhang@...adcom.com>

---

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 | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 8c1489ff7bd6..7ce2b267676f 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)
 {
@@ -1749,7 +1749,7 @@ 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);
@@ -1760,7 +1760,7 @@ 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;
 
@@ -2492,11 +2492,14 @@ 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;
-	}
-	else if (brcmnand_op_is_reset(op)) {
+	} else if (brcmnand_op_is_reset(op)) {
 		ret = brcmnand_reset(host);
 		if (ret < 0)
 			return ret;
-- 
2.37.3


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