[PATCH 2/4] mfd: mc13xxx: Limit maximum SPI speed

[Alexander Shiyan]

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 at mail.ru>
---
 drivers/mfd/mc13xxx-spi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index f88087f..cd27c32 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -138,6 +138,8 @@ 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);
-- 
1.8.3.2