diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-08-05 18:39:31 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-08-16 18:39:47 (GMT) |
| commit | 1a7123cdd9f49cf1c908fb2c16d26f279c88d8c9 (patch) | |
| tree | e69950e053d8640f0bc3d74267fbf10679c3ad04 | |
| parent | c61029c77fb68d7a182c0ae010f0f9dcae4e196c (diff) | |
| download | linux-fsl-qoriq-1a7123cdd9f49cf1c908fb2c16d26f279c88d8c9.tar.xz | |
iwlwifi: disable aspm by default
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>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 35337b1..49a7a98 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -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; diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index d24eb47..bc08242 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -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; |