diff options
author | Kalle Valo <kvalo@codeaurora.org> | 2020-06-25 16:39:56 +0300 |
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committer | Kalle Valo <kvalo@codeaurora.org> | 2020-06-26 14:45:18 +0300 |
commit | 32a8a23aa81167f019062fe16664de35e49398c1 (patch) | |
tree | c853d63e8f1791856d87c0a35fa720f3151ab119 | |
parent | b82ec63491bea62856c95f15a2ffa2e048d77c17 (diff) |
HACK: ath11k: disable L1 to prevent device entering low power stateath11k-qca6390-bringup-202006261407
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
-rw-r--r-- | drivers/net/wireless/ath/ath11k/pci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c index 37091046b6ee..d666009cb90e 100644 --- a/drivers/net/wireless/ath/ath11k/pci.c +++ b/drivers/net/wireless/ath/ath11k/pci.c @@ -960,12 +960,19 @@ static void ath11k_pci_read_mhi_version(struct ath11k_base *ab) static int ath11k_pci_power_up(struct ath11k_base *ab) { struct ath11k_pci *ab_pci = ath11k_pci_priv(ab); + u8 aspm; int ret; ath11k_pci_read_mhi_version(ab); ath11k_pci_sw_reset(ab_pci->ab); + pci_read_config_byte(ab_pci->pdev, 0x80, &aspm); + pci_write_config_byte(ab_pci->pdev, 0x80, aspm & 0xfd); + + ath11k_info(ab, "aspm 0x%x changed to 0x%x\n", + aspm, aspm & 0xfd); + ret = ath11k_mhi_start(ab_pci); if (ret) { ath11k_err(ab, "failed to start mhi: %d\n", ret); |