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From: Jagan Teki <jteki@openedev.com>
To: linux-mtd@lists.infradead.org
Cc: David Woodhouse <dwmw2@infradead.org>,
	linux-kernel@vger.kernel.org, Jagan Teki <jteki@openedev.com>,
	Brian Norris <computersforpeace@gmail.com>
Subject: [PATCH 2/6] mtd: m25p80: Use spi-nor quad page program
Date: Wed, 10 Aug 2016 02:10:21 +0530	[thread overview]
Message-ID: <1470775225-19787-2-git-send-email-jteki@openedev.com> (raw)
In-Reply-To: <1470775225-19787-1-git-send-email-jteki@openedev.com>

Identify the 4-wire tx transfer from spi controller mode
value and then assign QPP support to nor->flags to make use
of that.

Cc: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
---
 drivers/mtd/devices/m25p80.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 9cf7fcd..1033595 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -224,6 +224,8 @@ static int m25p_probe(struct spi_device *spi)
 		mode = SPI_NOR_QUAD;
 	else if (spi->mode & SPI_RX_DUAL)
 		mode = SPI_NOR_DUAL;
+	else if (spi->mode & SPI_TX_QUAD)
+		nor->flags = SNOR_F_USE_QPP;
 
 	if (data && data->name)
 		nor->mtd.name = data->name;
-- 
2.7.4

  reply	other threads:[~2016-08-09 20:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-09 20:40 [PATCH 1/6] mtd: spi-nor: Add quad page program support Jagan Teki
2016-08-09 20:40 ` Jagan Teki [this message]
2016-08-09 20:40 ` [PATCH 3/6] mtd: spi-nor: Enable QPP for macronix parts Jagan Teki
2016-08-09 20:40 ` [PATCH 4/6] mtd: spi-nor: Enable QPP for micron parts Jagan Teki
2016-08-09 20:40 ` [PATCH 5/6] mtd: spi-nor: Enable QPP for spansion parts Jagan Teki
2016-08-09 20:40 ` [PATCH 6/6] mtd: spi-nor: Enable QPP for winbond parts Jagan Teki
2016-08-29 13:24 ` [PATCH 1/6] mtd: spi-nor: Add quad page program support Jagan Teki
2016-09-22 14:29   ` Jagan Teki
2016-09-22 15:37     ` Boris Brezillon
2016-09-22 15:51 ` Cyrille Pitchen

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