linux-kernel - [PATCH v4 10/11] mtd: spi-nor: spansion: Remove status polling on volatile registers write

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Message-ID: <20220420103427.47867-11-tudor.ambarus@microchip.com>
Date:   Wed, 20 Apr 2022 13:34:26 +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 10/11] mtd: spi-nor: spansion: Remove status polling on volatile registers write

Writing volatile registers are instant according to Cypress 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/spansion.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index 7404ca067ca9..43cd6cd92537 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -57,10 +57,6 @@ static int cypress_nor_octal_dtr_en(struct spi_nor *nor)
 	if (ret)
 		return ret;
 
-	ret = spi_nor_wait_till_ready(nor);
-	if (ret)
-		return ret;
-
 	nor->read_dummy = 24;
 
 	/* Set the octal and DTR enable bits. */
-- 
2.25.1