From eb6df28ef63d0ac9d8bb86483d8840fa95da4a8b Mon Sep 17 00:00:00 2001 From: Abhishek Sahu Date: Wed, 19 Jul 2017 17:17:57 +0530 Subject: mtd: nand: qcom: remove memset for clearing read register buffer The memset in clear_read_regs is overhead. All the register data will be filled by DMA during NAND operation so making these register variables zero is not required. Signed-off-by: Abhishek Sahu Reviewed-by: Archit Taneja Signed-off-by: Boris Brezillon --- drivers/mtd/nand/qcom_nandc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c index 52c0287730e8..02be4ac0f101 100644 --- a/drivers/mtd/nand/qcom_nandc.c +++ b/drivers/mtd/nand/qcom_nandc.c @@ -823,8 +823,6 @@ static void free_descs(struct qcom_nand_controller *nandc) static void clear_read_regs(struct qcom_nand_controller *nandc) { nandc->reg_read_pos = 0; - memset(nandc->reg_read_buf, 0, - MAX_REG_RD * sizeof(*nandc->reg_read_buf)); } static void pre_command(struct qcom_nand_host *host, int command) -- cgit v1.2.3