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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2012-01-08 23:12:22 +0400
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2012-02-03 02:37:06 +0400
commitaf634bee8c4a15629da5e114c491acb8ee50e1e9 (patch)
tree24e6f66308ddadeef4e39194e9261fa5ea03b648 /drivers/net/wireless/iwlwifi/iwl-pci.c
parentcf6142975bcbb731bc131ee9d2a68b7561076545 (diff)
downloadlinux-af634bee8c4a15629da5e114c491acb8ee50e1e9.tar.xz
iwlwifi: kill bus_apm_config
This handler was called from the transport layer only. Merge it to the transport's apm_init. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-pci.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-pci.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c
index 6451739aed2e..353022d406ea 100644
--- a/drivers/net/wireless/iwlwifi/iwl-pci.c
+++ b/drivers/net/wireless/iwlwifi/iwl-pci.c
@@ -106,34 +106,6 @@ static bool iwl_pci_is_pm_supported(struct iwl_bus *bus)
return !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN);
}
-static void iwl_pci_apm_config(struct iwl_bus *bus)
-{
- /*
- * HW bug W/A for instability in PCIe bus L0S->L1 transition.
- * Check if BIOS (or OS) enabled L1-ASPM on this device.
- * If so (likely), disable L0S, so device moves directly L0->L1;
- * costs negligible amount of power savings.
- * If not (unlikely), enable L0S, so there is at least some
- * power savings, even without L1.
- */
- u16 lctl = iwl_pciexp_link_ctrl(bus);
-
- if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
- PCI_CFG_LINK_CTRL_VAL_L1_EN) {
- /* L1-ASPM enabled; disable(!) L0S */
- iwl_set_bit(trans(bus), CSR_GIO_REG,
- CSR_GIO_REG_VAL_L0S_ENABLED);
- dev_printk(KERN_INFO, trans(bus)->dev,
- "L1 Enabled; Disabling L0S\n");
- } else {
- /* L1-ASPM disabled; enable(!) L0S */
- iwl_clear_bit(trans(bus), CSR_GIO_REG,
- CSR_GIO_REG_VAL_L0S_ENABLED);
- dev_printk(KERN_INFO, trans(bus)->dev,
- "L1 Disabled; Enabling L0S\n");
- }
-}
-
static void iwl_pci_get_hw_id_string(struct iwl_bus *bus, char buf[],
int buf_len)
{
@@ -152,7 +124,6 @@ static u32 iwl_pci_get_hw_id(struct iwl_bus *bus)
static const struct iwl_bus_ops bus_ops_pci = {
.get_pm_support = iwl_pci_is_pm_supported,
- .apm_config = iwl_pci_apm_config,
.get_hw_id_string = iwl_pci_get_hw_id_string,
.get_hw_id = iwl_pci_get_hw_id,
};