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authorLinus Torvalds <torvalds@linux-foundation.org>2010-06-27 07:41:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-06-27 07:41:04 -0700
commitdee70a32fa90cd05a5e34d03a48d549473569101 (patch)
tree1aab213cb310996fd2f0a324ef5b0c61d3d2e0e6 /drivers/pci
parent29ccb201a28f20885c90954152db8421a2efe779 (diff)
parentb27759f880018b0cd43543dc94c921341b64b5ec (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI/PM: Do not use native PCIe PME by default
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pcie/pme/pcie_pme.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/pci/pcie/pme/pcie_pme.c b/drivers/pci/pcie/pme/pcie_pme.c
index aac285a16b6..d672a0a6381 100644
--- a/drivers/pci/pcie/pme/pcie_pme.c
+++ b/drivers/pci/pcie/pme/pcie_pme.c
@@ -34,7 +34,7 @@
* being registered. Consequently, the interrupt-based PCIe PME signaling will
* not be used by any PCIe root ports in that case.
*/
-static bool pcie_pme_disabled;
+static bool pcie_pme_disabled = true;
/*
* The PCI Express Base Specification 2.0, Section 6.1.8, states the following:
@@ -64,12 +64,19 @@ bool pcie_pme_msi_disabled;
static int __init pcie_pme_setup(char *str)
{
- if (!strcmp(str, "off"))
- pcie_pme_disabled = true;
- else if (!strcmp(str, "force"))
+ if (!strncmp(str, "auto", 4))
+ pcie_pme_disabled = false;
+ else if (!strncmp(str, "force", 5))
pcie_pme_force_enable = true;
- else if (!strcmp(str, "nomsi"))
- pcie_pme_msi_disabled = true;
+
+ str = strchr(str, ',');
+ if (str) {
+ str++;
+ str += strspn(str, " \t");
+ if (*str && !strcmp(str, "nomsi"))
+ pcie_pme_msi_disabled = true;
+ }
+
return 1;
}
__setup("pcie_pme=", pcie_pme_setup);