From: Alexander Shiyan <shc_work@mail.ru>
Date: Sun, 2 Mar 2014 07:44:34 +0000 (+0400)
Subject: mfd: mc13xxx: Add missing spi_setup()
X-Git-Tag: firefly_0821_release~176^2~4118^2~35
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6a5926e6975c9bca2ef6ff68cbd1cc17afc0e7d8;p=firefly-linux-kernel-4.4.55.git

mfd: mc13xxx: Add missing spi_setup()

The probe routine should call spi_setup() to configure the SPI bus
so it can properly communicate with the device.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---

diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index ee81a67207de..702925e242c9 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -141,6 +141,9 @@ static int mc13xxx_spi_probe(struct spi_device *spi)
 	mc13xxx->irq = spi->irq;
 
 	spi->max_speed_hz = spi->max_speed_hz ? : 26000000;
+	ret = spi_setup(spi);
+	if (ret)
+		return ret;
 
 	mc13xxx->regmap = devm_regmap_init(&spi->dev, &regmap_mc13xxx_bus,
 					   &spi->dev,