linux-kernel - [PATCH 2/2] mtd: spi-nor: core: Add dbg msg for spi_nor_erase_multi

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Date:   Fri, 5 Feb 2021 15:52:53 +0200
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <Takahiro.Kuwano@...ineon.com>, <miquel.raynal@...tlin.com>,
        <richard@....at>, <vigneshr@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Tudor Ambarus" <tudor.ambarus@...rochip.com>
Subject: [PATCH 2/2] mtd: spi-nor: core: Add dbg msg for spi_nor_erase_multi_sectors()

Useful when debugging non-uniform erase.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 drivers/mtd/spi-nor/core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index bcaa161bc7db..7401c60b53e6 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -1622,6 +1622,9 @@ static int spi_nor_erase_multi_sectors(struct spi_nor *nor, u64 addr, u32 len)
 			if (ret)
 				goto destroy_erase_cmd_list;
 
+			dev_dbg(nor->dev, "erase_cmd->size = 0x%08x, erase_cmd->opcode = 0x%02x, erase_cmd->count = %d\n",
+				cmd->size, cmd->opcode, cmd->count);
+
 			addr += cmd->size;
 			cmd->count--;
 		}
-- 
2.25.1