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spi: dw-pci: provide platform specific data via driver_data

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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>
This commit is contained in:
Andy Shevchenko 2014-08-29 12:41:42 +03:00 committed by Mark Brown
parent 35f2d41364
commit c95791b6a5
1 changed files with 14 additions and 6 deletions
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20
drivers/spi/spi-dw-pci.c
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@ -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},
{},
};