From: Tudor Ambarus <tudor.ambarus@microchip.com>
Date: Tue, 7 Dec 2021 14:02:41 +0000 (+0200)
Subject: mtd: spi-nor: Fix mtd size for s3an flashes
X-Git-Tag: accepted/tizen/unified/20230118.172025~1980
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=64b487be33b735fd1d2d81efa66c874a3561bd31;p=platform%2Fkernel%2Flinux-rpi.git

mtd: spi-nor: Fix mtd size for s3an flashes

[ Upstream commit f656b419d41aabafb6b526abc3988dfbf2e5c1ba ]

As it was before the blamed commit, s3an_nor_scan() was called
after mtd size was set with params->size, and it overwrote the mtd
size value with '8 * nor->page_size * nor->info->n_sectors' when
XSR_PAGESIZE was set. With the introduction of
s3an_post_sfdp_fixups(), we missed to update the mtd size for the
s3an flashes. Fix the mtd size by updating both nor->params->size,
(which will update the mtd_info size later on) and nor->mtd.size
(which is used in spi_nor_set_addr_width()).

Fixes: 641edddb4f43 ("mtd: spi-nor: Add s3an_post_sfdp_fixups()")
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20211207140254.87681-2-tudor.ambarus@microchip.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/mtd/spi-nor/xilinx.c b/drivers/mtd/spi-nor/xilinx.c
index 1138bdb..75dd13a 100644
--- a/drivers/mtd/spi-nor/xilinx.c
+++ b/drivers/mtd/spi-nor/xilinx.c
@@ -66,7 +66,8 @@ static int xilinx_nor_setup(struct spi_nor *nor,
 		/* Flash in Power of 2 mode */
 		nor->page_size = (nor->page_size == 264) ? 256 : 512;
 		nor->mtd.writebufsize = nor->page_size;
-		nor->mtd.size = 8 * nor->page_size * nor->info->n_sectors;
+		nor->params->size = 8 * nor->page_size * nor->info->n_sectors;
+		nor->mtd.size = nor->params->size;
 		nor->mtd.erasesize = 8 * nor->page_size;
 	} else {
 		/* Flash in Default addressing mode */