diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 15:50:23 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 15:50:23 -0700 |
commit | 6a84258e5f5bb8b9bd72e06a5837fa6fdacaf5c5 (patch) | |
tree | 3c4911a489c85e908b0ef3ed83d78264788f858c /drivers/pci/pci.c | |
parent | efefc6eb38d43b8e5daef482f575d767b002004e (diff) | |
parent | f3e6f164c2389853432454c89b316a8ab7485e2f (diff) | |
download | talos-obmc-linux-6a84258e5f5bb8b9bd72e06a5837fa6fdacaf5c5.tar.gz talos-obmc-linux-6a84258e5f5bb8b9bd72e06a5837fa6fdacaf5c5.zip |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (37 commits)
PCI: merge almost all of pci_32.h and pci_64.h together
PCI: X86: Introduce and enable PCI domain support
PCI: Add 'nodomains' boot option, and pci_domains_supported global
PCI: modify PCI bridge control ISA flag for clarity
PCI: use _CRS for PCI resource allocation
PCI: avoid P2P prefetch window for expansion ROMs
PCI: skip ISA ioresource alignment on some systems
PCI: remove transparent bridge sizing
pci: write file size to inode on proc bus file write
pci: use size stored in proc_dir_entry for proc bus files
pci: implement "pci=noaer"
PCI: fix IDE legacy mode resources
MSI: Use correct data offset for 32-bit MSI in read_msi_msg()
PCI: Fix incorrect argument order to list_add_tail() in PCI dynamic ID code
PCI: i386: Compaq EVO N800c needs PCI bus renumbering
PCI: Remove no longer correct documentation regarding MSI vector assignment
PCI: re-enable onboard sound on "MSI K8T Neo2-FIR"
PCI: quirk_vt82c586_acpi: Omit reading PCI revision ID
PCI: quirk amd_8131_mmrbc: Omit reading pci revision ID
cpqphp: Use PCI_CLASS_REVISION instead of PCI_REVISION_ID for read
...
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r-- | drivers/pci/pci.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 37c00f6fd801..728b3c863d87 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -17,11 +17,16 @@ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/string.h> +#include <linux/log2.h> #include <asm/dma.h> /* isa_dma_bridge_buggy */ #include "pci.h" unsigned int pci_pm_d3_delay = 10; +#ifdef CONFIG_PCI_DOMAINS +int pci_domains_supported = 1; +#endif + #define DEFAULT_CARDBUS_IO_SIZE (256) #define DEFAULT_CARDBUS_MEM_SIZE (64*1024*1024) /* pci=cbmemsize=nnM,cbiosize=nn can override this */ @@ -1454,7 +1459,7 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc) int cap, err = -EINVAL; u32 stat, cmd, v, o; - if (mmrbc < 512 || mmrbc > 4096 || (mmrbc & (mmrbc-1))) + if (mmrbc < 512 || mmrbc > 4096 || !is_power_of_2(mmrbc)) goto out; v = ffs(mmrbc) - 10; @@ -1526,7 +1531,7 @@ int pcie_set_readrq(struct pci_dev *dev, int rq) int cap, err = -EINVAL; u16 ctl, v; - if (rq < 128 || rq > 4096 || (rq & (rq-1))) + if (rq < 128 || rq > 4096 || !is_power_of_2(rq)) goto out; v = (ffs(rq) - 8) << 12; @@ -1566,6 +1571,13 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags) return bars; } +static void __devinit pci_no_domains(void) +{ +#ifdef CONFIG_PCI_DOMAINS + pci_domains_supported = 0; +#endif +} + static int __devinit pci_init(void) { struct pci_dev *dev = NULL; @@ -1585,6 +1597,10 @@ static int __devinit pci_setup(char *str) if (*str && (str = pcibios_setup(str)) && *str) { if (!strcmp(str, "nomsi")) { pci_no_msi(); + } else if (!strcmp(str, "noaer")) { + pci_no_aer(); + } else if (!strcmp(str, "nodomains")) { + pci_no_domains(); } else if (!strncmp(str, "cbiosize=", 9)) { pci_cardbus_io_size = memparse(str + 9, &str); } else if (!strncmp(str, "cbmemsize=", 10)) { |