Re: [PATCH v1 2/5] mtd: rawnand: meson: replace GENMASK() macro with define

From: Neil Armstrong
Date: Wed Apr 12 2023 - 03:38:09 EST


Hi,

On 12/04/2023 08:16, Arseniy Krasnov wrote:

Please add a commit message

Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
---
drivers/mtd/nand/raw/meson_nand.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
index 256c37c76526..45b53d420aed 100644
--- a/drivers/mtd/nand/raw/meson_nand.c
+++ b/drivers/mtd/nand/raw/meson_nand.c
@@ -110,6 +110,8 @@
#define PER_INFO_BYTE 8
+#define NFC_CMD_RAW_LEN (GENMASK(13, 0))

Drop the () around GENMASK(13, 0)

+
struct meson_nfc_nand_chip {
struct list_head node;
struct nand_chip nand;
@@ -300,7 +302,7 @@ static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir,
if (raw) {
len = mtd->writesize + mtd->oobsize;
- cmd = (len & GENMASK(13, 0)) | scrambler | DMA_DIR(dir);
+ cmd = (len & NFC_CMD_RAW_LEN) | scrambler | DMA_DIR(dir);
writel(cmd, nfc->reg_base + NFC_REG_CMD);
return;
}
@@ -550,7 +552,7 @@ static int meson_nfc_read_buf(struct nand_chip *nand, u8 *buf, int len)
if (ret)
goto out;
- cmd = NFC_CMD_N2M | (len & GENMASK(13, 0));
+ cmd = NFC_CMD_N2M | (len & NFC_CMD_RAW_LEN);
writel(cmd, nfc->reg_base + NFC_REG_CMD);
meson_nfc_drain_cmd(nfc);
@@ -574,7 +576,7 @@ static int meson_nfc_write_buf(struct nand_chip *nand, u8 *buf, int len)
if (ret)
return ret;
- cmd = NFC_CMD_M2N | (len & GENMASK(13, 0));
+ cmd = NFC_CMD_M2N | (len & NFC_CMD_RAW_LEN);
writel(cmd, nfc->reg_base + NFC_REG_CMD);
meson_nfc_drain_cmd(nfc);

Thanks,
Neil