diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2006-04-03 22:23:15 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-04-07 09:44:27 -0700 |
| commit | 201e59e8f1437244e6203bfda5b8946f054d993e (patch) | |
| tree | 45a0f5fc4008dbf993c62772e712baeed5845b4a | |
| parent | 366c3af0db2665c2930c6b99e97aa4bdd12e05e2 (diff) | |
[PATCH] powerpc: make ISA floppies work again
We used to assume that a DMA mapping request with a NULL dev was for
ISA DMA. This assumption was broken at some point. Now we explicitly
pass the detected ISA PCI device in the floppy setup.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | arch/powerpc/kernel/pci_64.c | 1 | ||||
| -rw-r--r-- | include/asm-powerpc/floppy.h | 5 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index ba92bab7cc2..4c4449be81c 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -78,6 +78,7 @@ int global_phb_number; /* Global phb counter */ /* Cached ISA bridge dev. */ struct pci_dev *ppc64_isabridge_dev = NULL; +EXPORT_SYMBOL_GPL(ppc64_isabridge_dev); static void fixup_broken_pcnet32(struct pci_dev* dev) { diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h index e258778ca42..608164c39ef 100644 --- a/include/asm-powerpc/floppy.h +++ b/include/asm-powerpc/floppy.h @@ -35,6 +35,7 @@ #ifdef CONFIG_PCI #include <linux/pci.h> +#include <asm/ppc-pci.h> /* for ppc64_isabridge_dev */ #define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io) @@ -52,12 +53,12 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size, if (bus_addr && (addr != prev_addr || size != prev_size || dir != prev_dir)) { /* different from last time -- unmap prev */ - pci_unmap_single(NULL, bus_addr, prev_size, prev_dir); + pci_unmap_single(ppc64_isabridge_dev, bus_addr, prev_size, prev_dir); bus_addr = 0; } if (!bus_addr) /* need to map it */ - bus_addr = pci_map_single(NULL, addr, size, dir); + bus_addr = pci_map_single(ppc64_isabridge_dev, addr, size, dir); /* remember this one as prev */ prev_addr = addr; |