linux-mtd.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] mtd: spi-nor: add dual and quad read support for w25q128
@ 2019-11-10  5:32 Chuanhong Guo
  2019-11-11  6:48 ` Tudor.Ambarus
  0 siblings, 1 reply; 2+ messages in thread
From: Chuanhong Guo @ 2019-11-10  5:32 UTC (permalink / raw)
  To: linux-mtd
  Cc: Vignesh Raghavendra, Tudor Ambarus, Richard Weinberger,
	linux-kernel, Miquel Raynal, Chuanhong Guo

The only w25q128 variant I could find with 0xef4018 as ID is
w25q128fv, which supports both dual and quad read mode.
Add these two flags in chip info.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
---
 drivers/mtd/spi-nor/spi-nor.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index f89620005198..6adf16259841 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -2479,7 +2479,10 @@ static const struct flash_info spi_nor_ids[] = {
 	},
 	{ "w25q80", INFO(0xef5014, 0, 64 * 1024,  16, SECT_4K) },
 	{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
-	{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
+	{
+		"w25q128", INFO(0xef4018, 0, 64 * 1024, 256,
+			SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
+	},
 	{ "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
 	{ "w25q256jvm", INFO(0xef7019, 0, 64 * 1024, 512,
 			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
-- 
2.21.0


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2019-11-11  6:48 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-10  5:32 [PATCH] mtd: spi-nor: add dual and quad read support for w25q128 Chuanhong Guo
2019-11-11  6:48 ` Tudor.Ambarus

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).