diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 011b14f35e5..97a09dba76d 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <asm/unaligned.h> +#include <linux/pci.h> #include "ath9k.h" #include "initvals.h" @@ -4298,3 +4299,16 @@ void ath_gen_timer_isr(struct ath_hw *ah) timer->trigger(timer->arg); } } + +/* + * Primitive to disable ASPM + */ +void ath_pcie_aspm_disable(struct ath_softc *sc) +{ + struct pci_dev *pdev = to_pci_dev(sc->dev); + u8 aspm; + + pci_read_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, &aspm); + aspm &= ~(ATH_PCIE_CAP_LINK_L0S | ATH_PCIE_CAP_LINK_L1); + pci_write_config_byte(pdev, ATH_PCIE_CAP_LINK_CTRL, aspm); +} |