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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2009-05-13 12:20:48 +0900
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-06-18 14:02:20 -0700
commit7ab709910323a8af20722c066267516b3e7680a2 (patch)
treed35af8b1894b3813ef1fc7a6aea13fa9dbda78b9 /drivers
parent430842e29d396928989c0a45e05025e988004d79 (diff)
PCI ASPM: cleanup pcie_aspm_get_cap_device
Minor cleanup for pcie_aspm_get_cap_device(). Acked-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/pcie/aspm.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 0d0d3e63092..d85f77ff150 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -292,19 +292,18 @@ static unsigned int calc_L1_latency(unsigned int latency_encoding, int ac)
}
static void pcie_aspm_get_cap_device(struct pci_dev *pdev, u32 *state,
- unsigned int *l0s, unsigned int *l1, unsigned int *enabled)
+ u32 *l0s, u32 *l1, u32 *enabled)
{
int pos;
u16 reg16;
- u32 reg32;
- unsigned int latency;
+ u32 reg32, latency;
*l0s = *l1 = *enabled = 0;
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
pci_read_config_dword(pdev, pos + PCI_EXP_LNKCAP, &reg32);
*state = (reg32 & PCI_EXP_LNKCAP_ASPMS) >> 10;
if (*state != PCIE_LINK_STATE_L0S &&
- *state != (PCIE_LINK_STATE_L1|PCIE_LINK_STATE_L0S))
+ *state != (PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_L0S))
*state = 0;
if (*state == 0)
return;
@@ -316,7 +315,7 @@ static void pcie_aspm_get_cap_device(struct pci_dev *pdev, u32 *state,
*l1 = calc_L1_latency(latency, 0);
}
pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
- *enabled = reg16 & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1);
+ *enabled = reg16 & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
}
static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)