Messages in this thread Patch in this message | | | From | Tsuchiya Yuto <> | Subject | [PATCH 1/3] mwifiex: disable ps_mode explicitly by default instead | Date | Wed, 28 Oct 2020 23:24:31 +0900 |
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On Microsoft Surface devices (PCIe-88W8897), the ps_mode causes connection unstable, especially with 5GHz APs. Then, it eventually causes fw crash.
This commit disables ps_mode by default instead of enabling it.
Required code is extracted from mwifiex_drv_set_power().
Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com> --- drivers/net/wireless/marvell/mwifiex/sta_cmd.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c index d3a968ef21ef9..9b7b52fbc9c45 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c @@ -2333,14 +2333,19 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init) return -1; if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) { - /* Enable IEEE PS by default */ - priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; + /* Disable IEEE PS by default */ + priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, - EN_AUTO_PS, BITMAP_STA_PS, NULL, + DIS_AUTO_PS, BITMAP_STA_PS, NULL, true); if (ret) return -1; + ret = mwifiex_send_cmd(priv, + HostCmd_CMD_802_11_PS_MODE_ENH, + GET_PS, 0, NULL, false); + if (ret) + return -1; } if (drcs) { -- 2.29.1
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