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authorStefan Richter <stefanr@s5r6.in-berlin.de>2012-05-21 21:39:42 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2012-05-21 21:39:42 +0200
commit0ad8c6a22d03a1598f7cc6585c65354dadca62ad (patch)
tree1507deef3d55d5f3c71b2f76924fe1f6c6211905 /drivers/spi/spi-imx.c
parent8527f8e2934683e53405fbe876a4e6f4a0c46eb8 (diff)
parent76e10d158efb6d4516018846f60c2ab5501900bc (diff)
Merge tag 'v3.4' with SCSI updates, needed for subsequent firewire-sbp2 changes
Linux 3.4
Diffstat (limited to 'drivers/spi/spi-imx.c')
-rw-r--r--drivers/spi/spi-imx.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 31054e3de4c1..570f22053be8 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -83,7 +83,7 @@ struct spi_imx_data {
struct spi_bitbang bitbang;
struct completion xfer_done;
- void *base;
+ void __iomem *base;
int irq;
struct clk *clk;
unsigned long spi_clk;
@@ -766,8 +766,12 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
}
ret = of_property_read_u32(np, "fsl,spi-num-chipselects", &num_cs);
- if (ret < 0)
- num_cs = mxc_platform_info->num_chipselect;
+ if (ret < 0) {
+ if (mxc_platform_info)
+ num_cs = mxc_platform_info->num_chipselect;
+ else
+ return ret;
+ }
master = spi_alloc_master(&pdev->dev,
sizeof(struct spi_imx_data) + sizeof(int) * num_cs);
@@ -784,7 +788,7 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
for (i = 0; i < master->num_chipselect; i++) {
int cs_gpio = of_get_named_gpio(np, "cs-gpios", i);
- if (cs_gpio < 0)
+ if (cs_gpio < 0 && mxc_platform_info)
cs_gpio = mxc_platform_info->chipselect[i];
spi_imx->chipselect[i] = cs_gpio;