From fc3ff2af0c57504a2e03d635692396c5bb099f17 Mon Sep 17 00:00:00 2001 From: INAGAKI Hiroshi Date: Fri, 14 Feb 2025 18:19:58 +0900 Subject: [PATCH] qualcommax: allow overriding ECC strength for qpic-snand Make the ECC strength in the qpic-snand driver configurable via device tree to use the device-specific ECC strength value. Signed-off-by: INAGAKI Hiroshi Link: https://github.com/openwrt/openwrt/pull/18543 Signed-off-by: Robert Marko --- ...i-qpic-snand-add-user-config-support.patch | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 target/linux/qualcommax/patches-6.6/0413-spi-spi-qpic-snand-add-user-config-support.patch diff --git a/target/linux/qualcommax/patches-6.6/0413-spi-spi-qpic-snand-add-user-config-support.patch b/target/linux/qualcommax/patches-6.6/0413-spi-spi-qpic-snand-add-user-config-support.patch new file mode 100644 index 0000000000..37c6fdc752 --- /dev/null +++ b/target/linux/qualcommax/patches-6.6/0413-spi-spi-qpic-snand-add-user-config-support.patch @@ -0,0 +1,35 @@ +From 589b7e9600b1e50574ce91e4d6fc903ef81d957f Mon Sep 17 00:00:00 2001 +From: INAGAKI Hiroshi +Date: Fri, 14 Feb 2025 18:19:58 +0900 +Subject: [PATCH] spi: spi-qpic-snand: add user_config support for ECC + +Make the ECC strength in the qpic-snand driver configurable via device +tree to use the device-specific ECC strength value. + +Signed-off-by: INAGAKI Hiroshi +--- +--- a/drivers/spi/spi-qpic-snand.c ++++ b/drivers/spi/spi-qpic-snand.c +@@ -274,8 +274,20 @@ static int qcom_spi_ecc_init_ctx_pipelin + nand->ecc.ctx.priv = ecc_cfg; + snandc->qspi->mtd = mtd; + +- /* BCH8 or BCH4 */ +- ecc_mode = mtd->oobsize > 64 ? 1 : 0; ++ /* BCH4 or BCH8 */ ++ switch (nand->ecc.user_conf.strength) { ++ case 4: ++ ecc_mode = 0; ++ break; ++ case 8: ++ ecc_mode = 1; ++ break; ++ default: ++ ecc_mode = mtd->oobsize > 64 ? 1 : 0; ++ dev_warn(snandc->dev, ++ "invalid ECC strength detected, configured from mtd oobsize\n"); ++ break; ++ } + + ecc_cfg->ecc_bytes_hw = ecc_mode ? 13 : 7; + ecc_cfg->spare_bytes = ecc_mode ? 2 : 4; -- 2.30.2