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Message-ID: <0078578d0f5d2402ac623afabf601d25998f84a9.1481044434.git.cyrille.pitchen@atmel.com>
Date: Tue, 6 Dec 2016 18:14:24 +0100
From: Cyrille Pitchen <cyrille.pitchen@...el.com>
To: <marek.vasut@...il.com>
CC: <computersforpeace@...il.com>,
<boris.brezillon@...e-electrons.com>, <richard@....at>,
<linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
Cyrille Pitchen <cyrille.pitchen@...el.com>
Subject: [PATCH 1/1] mtd: spi-nor: remove WARN_ONCE() message in spi_nor_write()
This patch removes the WARN_ONCE() test in spi_nor_write().
This macro triggers the display of a warning message almost every time we
use a UBI file-system because a write operation is performed at offset 64,
which is in the middle of the SPI NOR memory page. This is a valid
operation for ubifs.
Hence this warning is pretty annoying and useless so we just remove it.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@...el.com>
Suggested-by: Richard Weinberger <richard@....at>
Suggested-by: Andras Szemzo <szemzo.andras@...il.com>
---
drivers/mtd/spi-nor/spi-nor.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index c9bcd05ca5d9..cdeb2c6b1492 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1265,9 +1265,6 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
ssize_t written;
page_offset = (to + i) & (nor->page_size - 1);
- WARN_ONCE(page_offset,
- "Writing at offset %zu into a NOR page. Writing partial pages may decrease reliability and increase wear of NOR flash.",
- page_offset);
/* the size of data remaining on the first page */
page_remain = min_t(size_t,
nor->page_size - page_offset, len - i);
--
2.7.4
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