On 07/19/2017 05:17 PM, Abhishek Sahu wrote:
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.
Yeah, that's a good point. Reviewed-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
Signed-off-by: Abhishek Sahu <absahu@xxxxxxxxxxxxxx> --- 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 5b71478..7ecd0f8 100644 --- a/drivers/mtd/nand/qcom_nandc.c +++ b/drivers/mtd/nand/qcom_nandc.c @@ -826,8 +826,6 @@ 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)
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