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mwifiex: fix PCIe hs_cfg cancel cmd timeout

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For pcie8897, the hs_cfg cancel command (0xe5) times out when host
comes out of suspend. This is caused by an incompleted host sleep
handshake between driver and firmware.

Like SDIO interface, PCIe also needs to go through firmware power
save events to complete the handshake for host sleep configuration.
Only USB interface doesn't require power save events for hs_cfg.

Cc: <[email protected]> # 3.10+
Signed-off-by: Bing Zhao <[email protected]>
Signed-off-by: Amitkumar Karwar <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Bing Zhao 2013-09-20 19:56:45 -07:00 • committed by John W. Linville
commit b7be1522de
1 changed files with 2 additions and 3 deletions
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5
drivers/net/wireless/mwifiex/cmdevt.c
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@ -1155,7 +1155,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions);
if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) &&
adapter->iface_type == MWIFIEX_SDIO) {
adapter->iface_type != MWIFIEX_USB) {
mwifiex_hs_activated_event(priv, true);
return 0;
} else {
@ -1167,8 +1167,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
}
if (conditions != HS_CFG_CANCEL) {
adapter->is_hs_configured = true;
if (adapter->iface_type == MWIFIEX_USB ||
adapter->iface_type == MWIFIEX_PCIE)
if (adapter->iface_type == MWIFIEX_USB)
mwifiex_hs_activated_event(priv, true);
} else {
adapter->is_hs_configured = false;