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| author | Carlos O'Donell <carlos@codesourcery.com> | 2010-02-22 23:25:59 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-12 14:57:13 -0700 |
| commit | 5d233bf3dcad483e5f89865aaf5973e67c1630b1 (patch) | |
| tree | f79bc0b64330c416a80483b1fb000ed0c733d75c | |
| parent | a899608c6a4c0ffd5219e7bf904b42aba0e6b9c1 (diff) | |
| download | lwn-5d233bf3dcad483e5f89865aaf5973e67c1630b1.tar.gz lwn-5d233bf3dcad483e5f89865aaf5973e67c1630b1.zip | |
parisc: Set PCI CLS early in boot.
commit 5fd4514bb351b5ecb0da3692fff70741e5ed200c upstream.
Set the PCI CLS early in the boot process to prevent
device failures. In pcibios_set_master use the new
pci_cache_line_size instead of a hard-coded value.
Signed-off-by: Carlos O'Donell <carlos@codesourcery.com>
Reviewed-by: Grant Grundler <grundler@google.com>
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | arch/parisc/kernel/pci.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index f7064abc3bb6..9e74bfe071dc 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -18,7 +18,6 @@ #include <asm/io.h> #include <asm/system.h> -#include <asm/cache.h> /* for L1_CACHE_BYTES */ #include <asm/superio.h> #define DEBUG_RESOURCES 0 @@ -123,6 +122,10 @@ static int __init pcibios_init(void) } else { printk(KERN_WARNING "pci_bios != NULL but init() is!\n"); } + + /* Set the CLS for PCI as early as possible. */ + pci_cache_line_size = pci_dfl_cache_line_size; + return 0; } @@ -171,7 +174,7 @@ void pcibios_set_master(struct pci_dev *dev) ** upper byte is PCI_LATENCY_TIMER. */ pci_write_config_word(dev, PCI_CACHE_LINE_SIZE, - (0x80 << 8) | (L1_CACHE_BYTES / sizeof(u32))); + (0x80 << 8) | pci_cache_line_size); } |