openwrt/target/linux/generic/pending-5.4/445-mtd-spinand-gigadevice-Only-one-dummy-byte-in-QUA.patch
Hauke Mehrtens aefa9d39c3 kernel: Add GigaDevice GD5F4GQ4xC SPI NAND flash
This flash was found on the Imagination Technologies Creator Ci40 (Marduk).

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2020-08-21 11:46:13 +02:00

40 lines
1.5 KiB
Diff

From 5f312dcb38b8003d9711290366cd4b1def5daf3b Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 16 Aug 2020 14:43:35 +0200
Subject: [PATCH v2 445/447] mtd: spinand: gigadevice: Only one dummy byte in
QUADIO
The datasheet only lists one dummy byte in the 0xEH operation for the
following chips:
* GD5F1GQ4xExxG
* GD5F1GQ4xFxxG
* GD5F1GQ4UAYIG
* GD5F4GQ4UAYIG
Fixes: c93c613214ac ("mtd: spinand: add support for GigaDevice GD5FxGQ4xA")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
drivers/mtd/nand/spi/gigadevice.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -21,7 +21,7 @@
#define GD5FXGQ4UXFXXG_STATUS_ECC_UNCOR_ERROR (7 << 4)
static SPINAND_OP_VARIANTS(read_cache_variants,
- SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, 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),
@@ -29,7 +29,7 @@ static SPINAND_OP_VARIANTS(read_cache_va
SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(read_cache_variants_f,
- SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(0, 1, NULL, 0),