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authorAlexander Shiyan <shc_work@mail.ru>2014-03-02 07:44:33 (GMT)
committerLee Jones <lee.jones@linaro.org>2014-03-19 08:58:35 (GMT)
commit0cfe5c90c45c53f9d28d166d2b13bb54852742ba (patch)
treefbeb7e0bb44e07874dc6330f3b0a8fe347afdf2d /drivers/mfd/mc13xxx-spi.c
parent471212d943f839c94aefd416feaeca6e26a6e1f6 (diff)
downloadlinux-0cfe5c90c45c53f9d28d166d2b13bb54852742ba.tar.xz
mfd: mc13xxx: Limit maximum SPI speed
The patch adds the maximum speed limit in accordance with the PMIC datasheet if other value is not given in the devicetree description or board data. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/mc13xxx-spi.c')
-rw-r--r--drivers/mfd/mc13xxx-spi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 38ab678..ee81a67 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -140,6 +140,8 @@ static int mc13xxx_spi_probe(struct spi_device *spi)
mc13xxx->irq = spi->irq;
+ spi->max_speed_hz = spi->max_speed_hz ? : 26000000;
+
mc13xxx->regmap = devm_regmap_init(&spi->dev, &regmap_mc13xxx_bus,
&spi->dev,
&mc13xxx_regmap_spi_config);