From: Carsten Langgaard <carstenl@mips.com>
To: Ralf Baechle <ralf@oss.sgi.com>,
"Maciej W. Rozycki" <macro@ds2.pg.gda.pl>,
linux-mips@oss.sgi.com
Subject: PCI patch of the day
Date: Wed, 07 Aug 2002 10:20:39 +0200 [thread overview]
Message-ID: <3D50D857.E2DDC84F@mips.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 444 bytes --]
It's apparently not that easy to get the PCI code right, the current
code won't compile, so here is the patch of the day.
/Carsten
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[-- Attachment #2: pci.4.patch --]
[-- Type: text/plain, Size: 2304 bytes --]
Index: include/asm-mips/pci.h
===================================================================
RCS file: /cvs/linux/include/asm-mips/pci.h,v
retrieving revision 1.24.2.10
diff -u -r1.24.2.10 pci.h
--- include/asm-mips/pci.h 2002/08/07 03:33:30 1.24.2.10
+++ include/asm-mips/pci.h 2002/08/07 08:06:54
@@ -120,8 +120,8 @@
if (direction != PCI_DMA_TODEVICE) {
unsigned long addr;
- addr = bus_to_virt(baddr_to_bus(hwdev, dma_address));
- dma_cache_back_inv(addr, size);
+ addr = (dma_addr_t)bus_to_virt(baddr_to_bus(hwdev, dma_addr));
+ dma_cache_wback_inv(addr, size);
}
}
@@ -153,8 +153,8 @@
if (direction != PCI_DMA_TODEVICE) {
unsigned long addr;
- addr = bus_to_virt(baddr_to_bus(hwdev, dma_address));
- dma_cache_back_inv(addr, size);
+ addr = (dma_addr_t)bus_to_virt(baddr_to_bus(hwdev, dma_address));
+ dma_cache_wback_inv(addr, size);
}
}
@@ -255,7 +255,7 @@
if (direction == PCI_DMA_NONE)
out_of_line_bug();
- addr = dma_handle - bus_to_baddr(hwdev->bus->number) + PAGE_OFFSET;
+ addr = (dma_addr_t)bus_to_virt(baddr_to_bus(hwdev->bus->number, dma_handle));
dma_cache_wback_inv(addr, size);
}
Index: include/asm-mips64/pci.h
===================================================================
RCS file: /cvs/linux/include/asm-mips64/pci.h,v
retrieving revision 1.16.2.11
diff -u -r1.16.2.11 pci.h
--- include/asm-mips64/pci.h 2002/08/07 03:33:30 1.16.2.11
+++ include/asm-mips64/pci.h 2002/08/07 08:06:55
@@ -146,8 +146,8 @@
if (direction != PCI_DMA_TODEVICE) {
unsigned long addr;
- addr = bus_to_virt(baddr_to_bus(hwdev, dma_address));
- dma_cache_back_inv(addr, size);
+ addr = (dma_addr_t)bus_to_virt(baddr_to_bus(hwdev, dma_addr));
+ dma_cache_wback_inv(addr, size);
}
}
@@ -187,8 +187,8 @@
if (direction != PCI_DMA_TODEVICE) {
unsigned long addr;
- addr = bus_to_virt(baddr_to_bus(hwdev, dma_address));
- dma_cache_back_inv(addr, size);
+ addr = (dma_addr_t)bus_to_virt(baddr_to_bus(hwdev, dma_address));
+ dma_cache_wback_inv(addr, size);
}
}
@@ -281,7 +281,7 @@
if (direction == PCI_DMA_NONE)
out_of_line_bug();
- addr = dma_handle - bus_to_baddr(hwdev->bus->number) + PAGE_OFFSET;
+ addr = (dma_addr_t)bus_to_virt(baddr_to_bus(hwdev->bus->number, dma_handle));
dma_cache_wback_inv(addr, size);
}
next reply other threads:[~2002-08-07 8:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-07 8:20 Carsten Langgaard [this message]
2002-08-07 10:09 ` PCI patch of the day Ralf Baechle
2002-08-07 16:38 ` William Jhun
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