summaryrefslogtreecommitdiff
path: root/drivers/spi/dw_spi_pci.c
diff options
context:
space:
mode:
authorLen Brown <len.brown@intel.com>2011-01-13 02:06:06 +0300
committerLen Brown <len.brown@intel.com>2011-01-13 02:06:06 +0300
commit56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch)
treeb902491aef3a99efe0d9d49edd0f6e414dba654f /drivers/spi/dw_spi_pci.c
parent2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff)
parentf878133bf022717b880d0e0995b8f91436fd605c (diff)
downloadlinux-56dbed129df3fdd4caf9018b6e7599ee258a5420.tar.xz
Merge branch 'linus' into idle-test
Diffstat (limited to 'drivers/spi/dw_spi_pci.c')
-rw-r--r--drivers/spi/dw_spi_pci.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/spi/dw_spi_pci.c b/drivers/spi/dw_spi_pci.c
index 1f52755dc878..49ec3aa1219f 100644
--- a/drivers/spi/dw_spi_pci.c
+++ b/drivers/spi/dw_spi_pci.c
@@ -1,5 +1,5 @@
/*
- * mrst_spi_pci.c - PCI interface driver for DW SPI Core
+ * dw_spi_pci.c - PCI interface driver for DW SPI Core
*
* Copyright (c) 2009, Intel Corporation.
*
@@ -26,8 +26,8 @@
#define DRIVER_NAME "dw_spi_pci"
struct dw_spi_pci {
- struct pci_dev *pdev;
- struct dw_spi dws;
+ struct pci_dev *pdev;
+ struct dw_spi dws;
};
static int __devinit spi_pci_probe(struct pci_dev *pdev,
@@ -72,9 +72,17 @@ static int __devinit spi_pci_probe(struct pci_dev *pdev,
dws->parent_dev = &pdev->dev;
dws->bus_num = 0;
dws->num_cs = 4;
- dws->max_freq = 25000000; /* for Moorestwon */
dws->irq = pdev->irq;
- dws->fifo_len = 40; /* FIFO has 40 words buffer */
+
+ /*
+ * Specific handling for Intel MID paltforms, like dma setup,
+ * clock rate, FIFO depth.
+ */
+ if (pdev->device == 0x0800) {
+ ret = dw_spi_mid_init(dws);
+ if (ret)
+ goto err_unmap;
+ }
ret = dw_spi_add_host(dws);
if (ret)
@@ -140,7 +148,7 @@ static int spi_resume(struct pci_dev *pdev)
#endif
static const struct pci_device_id pci_ids[] __devinitdata = {
- /* Intel Moorestown platform SPI controller 0 */
+ /* Intel MID platform SPI controller 0 */
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0800) },
{},
};