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iwlwifi: disable aspm by default

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Some iwlwifi devices inexplicably disconnect themselves from the PCI-E
bus causing the predictable failures.  This seems to disappear if ASPM
is disabled.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2010-08-05 14:39:31 -04:00
parent c61029c77f
commit 1a7123cdd9
2 changed files with 8 additions and 0 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -33,6 +33,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
@ -3968,6 +3969,9 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/**************************
* 2. Initializing PCI bus
**************************/
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
if (pci_enable_device(pdev)) {
err = -ENODEV;
goto out_ieee80211_free_hw;

4
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -33,6 +33,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
@ -3963,6 +3964,9 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
/***************************
* 2. Initializing PCI bus
* *************************/
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
if (pci_enable_device(pdev)) {
err = -ENODEV;
goto out_ieee80211_free_hw;