From: Alan Cox <a...@linux.intel.com>
This quirk simply changes the ID we use to find the DMA controller. Rename
the define and select a different ID IFF the MRST quirk is set
Signed-off-by: Alan Cox <a...@linux.intel.com>
---
drivers/spi/intel_mid_ssp_spi.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/intel_mid_ssp_spi.c b/drivers/spi/intel_mid_ssp_spi.c
index f201edd..a7548e7 100644
--- a/drivers/spi/intel_mid_ssp_spi.c
+++ b/drivers/spi/intel_mid_ssp_spi.c
@@ -35,7 +35,8 @@
#define DRIVER_NAME "intel_mid_ssp_spi"
#define PCI_DMAC_MAXDI 2047
-#define PCI_DMAC_ID 0x0827
+#define PCI_MDFL_DMAC_ID 0x0827
+#define PCI_MRST_DMAC_ID 0x0814
/* PM QoS define */
#define MIN_EXIT_LATENCY 20
@@ -463,15 +464,18 @@ static void intel_mid_ssp_spi_dma_init(struct driver_data
*drv_data)
{
struct intel_mid_dma_slave *rxs, *txs;
dma_cap_mask_t mask;
+ u16 id = PCI_MDFL_DMAC_ID;
if (drv_data->dma_inited)
return;
- drv_data->dmac1 = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DMAC_ID,
+ if (drv_data->quirks & QUIRKS_PLATFORM_MRST)
+ id = PCI_MRST_DMAC_ID;
+
+ drv_data->dmac1 = pci_get_device(PCI_VENDOR_ID_INTEL, id,
NULL);
if (!drv_data->dmac1) {
- dev_warn(&drv_data->pdev->dev, "Can't find DMAC %x",
- PCI_DMAC_ID);
+ dev_warn(&drv_data->pdev->dev, "Can't find DMAC %x", id);
return;
}
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