openwrt/target/linux/mediatek/patches-5.15/120-13-mtd-nand-mtk-ecc-also-parse-nand-ecc-engine-if-avail.patch
Chuanhong Guo 68d5efaa10 mediatek: add an upstreamed spi-nand driver
This patch implements the spi-nand controller driver as an ECC-capable
spi-mem controller to use the upstream SPI-NAND driver.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
2022-04-28 18:06:00 +08:00

36 lines
1.2 KiB
Diff

From 433b76fa0f3ca2865841abc21538dd8077ca3edd Mon Sep 17 00:00:00 2001
From: Chuanhong Guo <gch981213@gmail.com>
Date: Mon, 4 Apr 2022 00:05:38 +0800
Subject: [PATCH 13/15] mtd: nand: mtk-ecc: also parse nand-ecc-engine if
available
The recently added ECC engine support introduced a generic property
named nand-ecc-engine for ecc engine phandle. This patch adds support
for this new property.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
(cherry picked from commit a41f25feb6e47c1c4d8d3279ae990ccbd8dfab54)
---
drivers/mtd/nand/ecc-mtk.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/ecc-mtk.c
index c64c3c45cdbc..79c7622af563 100644
--- a/drivers/mtd/nand/ecc-mtk.c
+++ b/drivers/mtd/nand/ecc-mtk.c
@@ -279,7 +279,10 @@ struct mtk_ecc *of_mtk_ecc_get(struct device_node *of_node)
struct mtk_ecc *ecc = NULL;
struct device_node *np;
- np = of_parse_phandle(of_node, "ecc-engine", 0);
+ np = of_parse_phandle(of_node, "nand-ecc-engine", 0);
+ /* for backward compatibility */
+ if (!np)
+ np = of_parse_phandle(of_node, "ecc-engine", 0);
if (np) {
ecc = mtk_ecc_get(np);
of_node_put(np);
--
2.35.1