Patch "mtd: spinand: gigadevice: fix Quad IO for GD5F1GQ5UExxG" has been added to the 5.10-stable tree

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This is a note to let you know that I've just added the patch titled

    mtd: spinand: gigadevice: fix Quad IO for GD5F1GQ5UExxG

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     mtd-spinand-gigadevice-fix-quad-io-for-gd5f1gq5uexxg.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From a4f9dd55c5e1bb951db6f1dee20e62e0103f3438 Mon Sep 17 00:00:00 2001
From: Chuanhong Guo <gch981213@xxxxxxxxx>
Date: Sun, 20 Mar 2022 17:59:57 +0800
Subject: mtd: spinand: gigadevice: fix Quad IO for GD5F1GQ5UExxG

From: Chuanhong Guo <gch981213@xxxxxxxxx>

commit a4f9dd55c5e1bb951db6f1dee20e62e0103f3438 upstream.

Read From Cache Quad IO (EBH) uses 2 dummy bytes on this chip according
to page 23 of the datasheet[0].

[0]: https://www.gigadevice.com/datasheet/gd5f1gq5xexxg/

Fixes: 469b99248985 ("mtd: spinand: gigadevice: Support GD5F1GQ5UExxG")
Signed-off-by: Chuanhong Guo <gch981213@xxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20220320100001.247905-2-gch981213@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/mtd/nand/spi/gigadevice.c |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -39,6 +39,14 @@ static SPINAND_OP_VARIANTS(read_cache_va
 		SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0),
 		SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0));
 
+static SPINAND_OP_VARIANTS(read_cache_variants_1gq5,
+		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
 static SPINAND_OP_VARIANTS(write_cache_variants,
 		SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
 		SPINAND_PROG_LOAD(true, 0, NULL, 0));
@@ -341,7 +349,7 @@ static const struct spinand_info gigadev
 		     SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51),
 		     NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
 		     NAND_ECCREQ(4, 512),
-		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+		     SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5,
 					      &write_cache_variants,
 					      &update_cache_variants),
 		     SPINAND_HAS_QE_BIT,


Patches currently in stable-queue which might be from gch981213@xxxxxxxxx are

queue-5.10/mtd-spinand-gigadevice-fix-quad-io-for-gd5f1gq5uexxg.patch




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