linux-kernel - [PATCH v4 11/11] mtd: spi-nor: micron-st: Remove status polling on volatile registers write

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Message-ID: <20220420103427.47867-12-tudor.ambarus@microchip.com>
Date:   Wed, 20 Apr 2022 13:34:27 +0300
From:   Tudor Ambarus <tudor.ambarus@...rochip.com>
To:     <p.yadav@...com>, <michael@...le.cc>
CC:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <Takahiro.Kuwano@...ineon.com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>
Subject: [PATCH v4 11/11] mtd: spi-nor: micron-st: Remove status polling on volatile registers write

Writing volatile registers are instant according to Micron and do not
need any status polling. Remove status polling on volatile registers write.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 drivers/mtd/spi-nor/micron-st.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index 61db4896e327..a96f74e0f568 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -58,9 +58,6 @@ static int micron_st_nor_octal_dtr_en(struct spi_nor *nor)
 	op = (struct spi_mem_op)
 		MICRON_ST_NOR_WR_ANY_REG_OP(3, SPINOR_REG_MT_CFR1V, 1, buf);
 	ret = spi_nor_write_any_volatile_reg(nor, &op, nor->reg_proto);
-	if (ret)
-		return ret;
-	ret = spi_nor_wait_till_ready(nor);
 	if (ret)
 		return ret;
 
-- 
2.25.1