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authorLinus Torvalds <torvalds@linux-foundation.org>2012-04-13 15:17:45 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-13 15:17:45 -0400
commitcf7d8a5550779486524f775c8cf4be9b91365d23 (patch)
tree0be1d7e7aebcedcd97e1ec9a1af3a190f45a20b4 /drivers/spi/spi-fsl-spi.c
parent4166fb64593514ad920b7dbd290e0a934b37d24a (diff)
parent39ec0d38141b198f94fd19c2bb10fd7c616510d2 (diff)
Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull SPI bug fixes from Grant Likely: "Miscellaneous driver bug fixes. No major changes in this branch." * tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: spi/imx: prevent NULL pointer dereference in spi_imx_probe() spi/imx: mark base member in spi_imx_data as __iomem spi/mpc83xx: fix NULL pdata dereference bug spi/davinci: Fix DMA API usage in davinci spi/pL022: include types.h to remove compilation warnings
Diffstat (limited to 'drivers/spi/spi-fsl-spi.c')
-rw-r--r--drivers/spi/spi-fsl-spi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 24cacff57786..5f748c0d96bd 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -139,10 +139,12 @@ static void fsl_spi_change_mode(struct spi_device *spi)
139static void fsl_spi_chipselect(struct spi_device *spi, int value) 139static void fsl_spi_chipselect(struct spi_device *spi, int value)
140{ 140{
141 struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master); 141 struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);
142 struct fsl_spi_platform_data *pdata = spi->dev.parent->platform_data; 142 struct fsl_spi_platform_data *pdata;
143 bool pol = spi->mode & SPI_CS_HIGH; 143 bool pol = spi->mode & SPI_CS_HIGH;
144 struct spi_mpc8xxx_cs *cs = spi->controller_state; 144 struct spi_mpc8xxx_cs *cs = spi->controller_state;
145 145
146 pdata = spi->dev.parent->parent->platform_data;
147
146 if (value == BITBANG_CS_INACTIVE) { 148 if (value == BITBANG_CS_INACTIVE) {
147 if (pdata->cs_control) 149 if (pdata->cs_control)
148 pdata->cs_control(spi, !pol); 150 pdata->cs_control(spi, !pol);