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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2014-08-29 12:41:42 +0300
committerMark Brown <broonie@kernel.org>2014-09-01 11:29:03 +0100
commitc95791b6a5c5f18addb41530d1c27c8f5d612d65 (patch)
treecd71d06d154c67d817d138145a59882c729dbc10 /drivers/spi/spi-dw-pci.c
parent35f2d4136477ce2cd684b03e7f1b802963750394 (diff)
downloadlinux-c95791b6a5c5f18addb41530d1c27c8f5d612d65.tar.bz2
spi: dw-pci: provide platform specific data via driver_data
Instead of checking for device and vendor IDs inside probe function let's provide a helper function via driver_data. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-dw-pci.c')
-rw-r--r--drivers/spi/spi-dw-pci.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index 9e8d18cac03f..958bc4600877 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -32,11 +32,19 @@ struct dw_spi_pci {
struct dw_spi dws;
};
-static int spi_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+struct spi_pci_desc {
+ int (*setup)(struct dw_spi *);
+};
+
+static struct spi_pci_desc spi_pci_mid_desc = {
+ .setup = dw_spi_mid_init,
+};
+
+static int spi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct dw_spi_pci *dwpci;
struct dw_spi *dws;
+ struct spi_pci_desc *desc = (struct spi_pci_desc *)ent->driver_data;
int pci_bar = 0;
int ret;
@@ -64,11 +72,11 @@ static int spi_pci_probe(struct pci_dev *pdev,
dws->irq = pdev->irq;
/*
- * Specific handling for Intel MID paltforms, like dma setup,
+ * Specific handling for paltforms, like dma setup,
* clock rate, FIFO depth.
*/
- if (pdev->device == 0x0800) {
- ret = dw_spi_mid_init(dws);
+ if (desc && desc->setup) {
+ ret = desc->setup(dws);
if (ret)
return ret;
}
@@ -115,7 +123,7 @@ static SIMPLE_DEV_PM_OPS(dw_spi_pm_ops, spi_suspend, spi_resume);
static const struct pci_device_id pci_ids[] = {
/* Intel MID platform SPI controller 0 */
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) },
+ { PCI_VDEVICE(INTEL, 0x0800), (kernel_ulong_t)&spi_pci_mid_desc},
{},
};