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path: root/drivers/spi/spi-imx.c
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Diffstat (limited to 'drivers/spi/spi-imx.c')
-rw-r--r--drivers/spi/spi-imx.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 87981b41796..591ebc3546d 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -84,7 +84,6 @@ struct spi_imx_data {
int irq;
struct clk *clk;
unsigned long spi_clk;
- int *chipselect;
unsigned int count;
void (*tx)(struct spi_imx_data *);
@@ -94,6 +93,7 @@ struct spi_imx_data {
unsigned int txfifo; /* number of words pushed in tx FIFO */
struct spi_imx_devtype_data *devtype_data;
+ int chipselect[0];
};
static inline int is_imx27_cspi(struct spi_imx_data *d)
@@ -741,7 +741,7 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
struct spi_master *master;
struct spi_imx_data *spi_imx;
struct resource *res;
- int i, ret;
+ int i, ret, num_cs;
mxc_platform_info = dev_get_platdata(&pdev->dev);
if (!mxc_platform_info) {
@@ -749,20 +749,22 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
return -EINVAL;
}
- master = spi_alloc_master(&pdev->dev, sizeof(struct spi_imx_data));
+ num_cs = mxc_platform_info->num_chipselect;
+ master = spi_alloc_master(&pdev->dev,
+ sizeof(struct spi_imx_data) + sizeof(int) * num_cs);
if (!master)
return -ENOMEM;
platform_set_drvdata(pdev, master);
master->bus_num = pdev->id;
- master->num_chipselect = mxc_platform_info->num_chipselect;
+ master->num_chipselect = num_cs;
spi_imx = spi_master_get_devdata(master);
spi_imx->bitbang.master = spi_master_get(master);
- spi_imx->chipselect = mxc_platform_info->chipselect;
for (i = 0; i < master->num_chipselect; i++) {
+ spi_imx->chipselect[i] = mxc_platform_info->chipselect[i];
if (spi_imx->chipselect[i] < 0)
continue;
ret = gpio_request(spi_imx->chipselect[i], DRIVER_NAME);