From: Tudor Ambarus <tudor.ambarus@microchip.com> To: <p.yadav@ti.com>, <michael@walle.cc> Cc: <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <Takahiro.Kuwano@infineon.com>, Tudor Ambarus <tudor.ambarus@microchip.com> Subject: [PATCH v4 10/11] mtd: spi-nor: spansion: Remove status polling on volatile registers write Date: Wed, 20 Apr 2022 13:34:26 +0300 [thread overview] Message-ID: <20220420103427.47867-11-tudor.ambarus@microchip.com> (raw) In-Reply-To: <20220420103427.47867-1-tudor.ambarus@microchip.com> 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@microchip.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
WARNING: multiple messages have this Message-ID (diff)
From: Tudor Ambarus <tudor.ambarus@microchip.com> To: <p.yadav@ti.com>, <michael@walle.cc> Cc: <miquel.raynal@bootlin.com>, <richard@nod.at>, <vigneshr@ti.com>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <Takahiro.Kuwano@infineon.com>, Tudor Ambarus <tudor.ambarus@microchip.com> Subject: [PATCH v4 10/11] mtd: spi-nor: spansion: Remove status polling on volatile registers write Date: Wed, 20 Apr 2022 13:34:26 +0300 [thread overview] Message-ID: <20220420103427.47867-11-tudor.ambarus@microchip.com> (raw) In-Reply-To: <20220420103427.47867-1-tudor.ambarus@microchip.com> 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@microchip.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 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2022-04-20 10:35 UTC|newest] Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-20 10:34 [PATCH v4 00/11] mtd: spi-nor: Rework Octal DTR methods Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 01/11] mtd: spi-nor: Rename method, s/spi_nor_match_id/spi_nor_match_name Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 02/11] mtd: spi-nor: Introduce spi_nor_match_id() Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 03/11] mtd: spi-nor: core: Use auto-detection only once Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-21 7:18 ` Tudor.Ambarus 2022-04-21 7:18 ` Tudor.Ambarus 2022-04-21 13:16 ` Pratyush Yadav 2022-04-21 13:16 ` Pratyush Yadav 2022-04-21 13:41 ` Tudor.Ambarus 2022-04-21 13:41 ` Tudor.Ambarus 2022-04-27 5:20 ` Pratyush Yadav 2022-04-27 5:20 ` Pratyush Yadav 2022-04-27 7:13 ` Tudor.Ambarus 2022-04-27 7:13 ` Tudor.Ambarus 2022-04-20 10:34 ` [PATCH v4 04/11] mtd: spi-nor: core: Introduce method for RDID op Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 05/11] mtd: spi-nor: manufacturers: Use spi_nor_read_id() core method Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 06/11] mtd: spi-nor: core: Add helpers to read/write any register Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 07/11] mtd: spi-nor: micron-st: Rework spi_nor_micron_octal_dtr_enable() Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 08/11] mtd: spi-nor: spansion: Rework spi_nor_cypress_octal_dtr_enable() Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` [PATCH v4 09/11] mtd: spi-nor: Introduce templates for SPI NOR operations Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus [this message] 2022-04-20 10:34 ` [PATCH v4 10/11] mtd: spi-nor: spansion: Remove status polling on volatile registers write Tudor Ambarus 2022-04-20 20:04 ` Michael Walle 2022-04-20 20:04 ` Michael Walle 2022-04-20 10:34 ` [PATCH v4 11/11] mtd: spi-nor: micron-st: " Tudor Ambarus 2022-04-20 10:34 ` Tudor Ambarus 2022-04-20 20:05 ` Michael Walle 2022-04-20 20:05 ` Michael Walle 2022-04-27 9:31 ` [PATCH v4 00/11] mtd: spi-nor: Rework Octal DTR methods Pratyush Yadav 2022-04-27 9:31 ` Pratyush Yadav
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