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| author | Matthew Wilcox <matthew@wil.cx> | 2007-09-11 15:23:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-09-11 17:21:19 -0700 |
| commit | 868047fcbb85dbb44ddd98c336fef83236a2c06a (patch) | |
| tree | a2d6722342fa02c7105399c42f596f6ff5323b12 | |
| parent | 1a1a1a758bf0107d1f78ff1d622f45987803d894 (diff) | |
| download | linux-3.10-868047fcbb85dbb44ddd98c336fef83236a2c06a.tar.gz linux-3.10-868047fcbb85dbb44ddd98c336fef83236a2c06a.tar.bz2 linux-3.10-868047fcbb85dbb44ddd98c336fef83236a2c06a.zip | |
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 <matthew@wil.cx>
Acked-by: Jeff Garzik <jeff@garzik.org>
Tested-by: Lars <polynomial-c@gmx.de>
Cc: Alessandro Polverini <alex@nibbles.it>
Cc: <dac@conglom-o.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/block/DAC960.c | 17 | ||||
| -rw-r--r-- | drivers/block/DAC960.h | 7 |
2 files changed, 10 insertions, 14 deletions
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 <linux/module.h> @@ -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, diff --git a/drivers/block/DAC960.h b/drivers/block/DAC960.h index f5e2436c39a..85fa9bb6375 100644 --- a/drivers/block/DAC960.h +++ b/drivers/block/DAC960.h @@ -61,13 +61,6 @@ #define DAC960_V2_MaxPhysicalDevices 272 /* - Define the pci dma mask supported by DAC960 V1 and V2 Firmware Controlers - */ - -#define DAC690_V1_PciDmaMask 0xffffffff -#define DAC690_V2_PciDmaMask 0xffffffffffffffffULL - -/* Define a 32/64 bit I/O Address data type. */ |