From 868047fcbb85dbb44ddd98c336fef83236a2c06a Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Tue, 11 Sep 2007 15:23:38 -0700 Subject: Fix DAC960 driver on machines which don't support 64-bit DMA Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8942 Use PCI_DMA_* constants instead of own private definitions Fall back to 32-bit DMA mask if a 64-bit one fails Signed-off-by: Matthew Wilcox Acked-by: Jeff Garzik Tested-by: Lars Cc: Alessandro Polverini Cc: Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/block/DAC960.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'drivers/block/DAC960.c') diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 92bf868ca05..504a95d888b 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -17,8 +17,8 @@ */ -#define DAC960_DriverVersion "2.5.48" -#define DAC960_DriverDate "14 May 2006" +#define DAC960_DriverVersion "2.5.49" +#define DAC960_DriverDate "21 Aug 2007" #include @@ -1165,9 +1165,9 @@ static bool DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T int i; - if (pci_set_dma_mask(Controller->PCIDevice, DAC690_V1_PciDmaMask)) + if (pci_set_dma_mask(Controller->PCIDevice, DMA_32BIT_MASK)) return DAC960_Failure(Controller, "DMA mask out of range"); - Controller->BounceBufferLimit = DAC690_V1_PciDmaMask; + Controller->BounceBufferLimit = DMA_32BIT_MASK; if ((hw_type == DAC960_PD_Controller) || (hw_type == DAC960_P_Controller)) { CommandMailboxesSize = 0; @@ -1368,9 +1368,12 @@ static bool DAC960_V2_EnableMemoryMailboxInterface(DAC960_Controller_T dma_addr_t CommandMailboxDMA; DAC960_V2_CommandStatus_T CommandStatus; - if (pci_set_dma_mask(Controller->PCIDevice, DAC690_V2_PciDmaMask)) - return DAC960_Failure(Controller, "DMA mask out of range"); - Controller->BounceBufferLimit = DAC690_V2_PciDmaMask; + if (!pci_set_dma_mask(Controller->PCIDevice, DMA_64BIT_MASK)) + Controller->BounceBufferLimit = DMA_64BIT_MASK; + else if (!pci_set_dma_mask(Controller->PCIDevice, DMA_32BIT_MASK)) + Controller->BounceBufferLimit = DMA_32BIT_MASK; + else + return DAC960_Failure(Controller, "DMA mask out of range"); /* This is a temporary dma mapping, used only in the scope of this function */ CommandMailbox = pci_alloc_consistent(PCI_Device, -- cgit v1.2.3