From: Md Sadre Alam Date: Thu, 10 Apr 2025 10:00:19 +0000 (+0530) Subject: mtd: rawnand: qcom: Fix read len for onfi param page X-Git-Tag: v6.16-rc1~81^2^2~8 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6031b11544b44966ba020c867fe438bccd3bdfa;p=thirdparty%2Flinux.git mtd: rawnand: qcom: Fix read len for onfi param page The minimum size to fetch the data from device to QPIC buffer is 512-bytes. If size is less than 512-bytes the data will not be protected by ECC as per QPIC standard. So while reading onfi parameter page from NAND device set nandc->buf_count = 512. Cc: stable@vger.kernel.org Fixes: 89550beb098e ("mtd: rawnand: qcom: Implement exec_op()") Reviewed-by: Manivannan Sadhasivam Tested-by: Lakshmi Sowjanya D Signed-off-by: Md Sadre Alam Signed-off-by: Miquel Raynal --- diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index a73bb154353f1..1003cf118c01b 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -1930,7 +1930,7 @@ static int qcom_param_page_type_exec(struct nand_chip *chip, const struct nand_ qcom_write_reg_dma(nandc, &nandc->regs->cmd1, NAND_DEV_CMD1, 1, NAND_BAM_NEXT_SGL); } - nandc->buf_count = len; + nandc->buf_count = 512; memset(nandc->data_buffer, 0xff, nandc->buf_count); config_nand_single_cw_page_read(chip, false, 0);