mfd: Fix mc13xxx SPI regmap

This fix the SPI regmap configuration, the wrong write flag was used.
Also, bits_per_word should not be set as the regmap spi implementation
uses a 8bits transfert granularity.

Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 3fcdab3eb8eb67fb02a08c02166613e11742924c..5d1969f67d82833df574cd9480af356810d902ad 100644 (file)
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -49,6 +49,7 @@ static struct regmap_config mc13xxx_regmap_spi_config = {
        .reg_bits = 7,
        .pad_bits = 1,
        .val_bits = 24,
+       .write_flag_mask = 0x80,
 
        .max_register = MC13XXX_NUMREGS,
 
@@ -73,7 +74,6 @@ static int mc13xxx_spi_probe(struct spi_device *spi)
 
        dev_set_drvdata(&spi->dev, mc13xxx);
        spi->mode = SPI_MODE_0 | SPI_CS_HIGH;
-       spi->bits_per_word = 32;
 
        mc13xxx->dev = &spi->dev;
        mutex_init(&mc13xxx->lock);