diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-27 10:41:04 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-06-27 10:41:04 -0400 |
commit | dee70a32fa90cd05a5e34d03a48d549473569101 (patch) | |
tree | 1aab213cb310996fd2f0a324ef5b0c61d3d2e0e6 /drivers | |
parent | 29ccb201a28f20885c90954152db8421a2efe779 (diff) | |
parent | b27759f880018b0cd43543dc94c921341b64b5ec (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')
-rw-r--r-- | drivers/pci/pcie/pme/pcie_pme.c | 19 |
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 aac285a16b62..d672a0a63816 100644 --- a/drivers/pci/pcie/pme/pcie_pme.c +++ b/drivers/pci/pcie/pme/pcie_pme.c | |||
@@ -34,7 +34,7 @@ | |||
34 | * being registered. Consequently, the interrupt-based PCIe PME signaling will | 34 | * being registered. Consequently, the interrupt-based PCIe PME signaling will |
35 | * not be used by any PCIe root ports in that case. | 35 | * not be used by any PCIe root ports in that case. |
36 | */ | 36 | */ |
37 | static bool pcie_pme_disabled; | 37 | static bool pcie_pme_disabled = true; |
38 | 38 | ||
39 | /* | 39 | /* |
40 | * The PCI Express Base Specification 2.0, Section 6.1.8, states the following: | 40 | * The PCI Express Base Specification 2.0, Section 6.1.8, states the following: |
@@ -64,12 +64,19 @@ bool pcie_pme_msi_disabled; | |||
64 | 64 | ||
65 | static int __init pcie_pme_setup(char *str) | 65 | static int __init pcie_pme_setup(char *str) |
66 | { | 66 | { |
67 | if (!strcmp(str, "off")) | 67 | if (!strncmp(str, "auto", 4)) |
68 | pcie_pme_disabled = true; | 68 | pcie_pme_disabled = false; |
69 | else if (!strcmp(str, "force")) | 69 | else if (!strncmp(str, "force", 5)) |
70 | pcie_pme_force_enable = true; | 70 | pcie_pme_force_enable = true; |
71 | else if (!strcmp(str, "nomsi")) | 71 | |
72 | pcie_pme_msi_disabled = true; | 72 | str = strchr(str, ','); |
73 | if (str) { | ||
74 | str++; | ||
75 | str += strspn(str, " \t"); | ||
76 | if (*str && !strcmp(str, "nomsi")) | ||
77 | pcie_pme_msi_disabled = true; | ||
78 | } | ||
79 | |||
73 | return 1; | 80 | return 1; |
74 | } | 81 | } |
75 | __setup("pcie_pme=", pcie_pme_setup); | 82 | __setup("pcie_pme=", pcie_pme_setup); |