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Groups > linux.kernel > #1459120

[PATCH 2/6] mtd: m25p80: Use spi-nor quad page program

From Jagan Teki <jteki@openedev.com>
Newsgroups linux.kernel
Subject [PATCH 2/6] mtd: m25p80: Use spi-nor quad page program
Date 2016-08-09 22:50 +0200
Message-ID <s4m8h-404-9@gated-at.bofh.it> (permalink)
References <s4m8h-404-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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

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Thread

[PATCH 1/6] mtd: spi-nor: Add quad page program support Jagan Teki <jteki@openedev.com> - 2016-08-09 22:50 +0200
  [PATCH 2/6] mtd: m25p80: Use spi-nor quad page program Jagan Teki <jteki@openedev.com> - 2016-08-09 22:50 +0200
  [PATCH 3/6] mtd: spi-nor: Enable QPP for macronix parts Jagan Teki <jteki@openedev.com> - 2016-08-09 22:50 +0200
  [PATCH 5/6] mtd: spi-nor: Enable QPP for spansion parts Jagan Teki <jteki@openedev.com> - 2016-08-09 22:50 +0200
  [PATCH 6/6] mtd: spi-nor: Enable QPP for winbond parts Jagan Teki <jteki@openedev.com> - 2016-08-09 22:50 +0200

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