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authorKarun Eagalapati <karun256@gmail.com>2017-10-27 16:55:57 +0530
committerKalle Valo <kvalo@codeaurora.org>2017-10-30 12:50:13 +0200
commit063848c3e1558e40879522562aaf905fdcf0d7f1 (patch)
treeac622c6cf6bb4103f85f87192909ce84c1ff31cf /drivers/net
parentb6c8d06c8a6465c054befd416d8b067ad495fa06 (diff)
rsi: sdio: Add WOWLAN support for S5 shutdown state
Unlike other power states, WoWLAN configuration does not come from mac80211 for shutdown. Hence configuring the WoWLAN from shut down callback it self. Remaining steps of disabling SDIO interrupts, setting 'MMC_PM_KEEP_POWER' flag are same as other power states. Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_mac80211.c1
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_sdio.c31
2 files changed, 28 insertions, 4 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index 95eb5e63999f..36c63e953f84 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -1822,6 +1822,7 @@ int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan)
return 0;
}
+EXPORT_SYMBOL(rsi_config_wowlan);
#ifdef CONFIG_PM
static int rsi_mac80211_suspend(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c
index 3f683d873472..3288fb6888b9 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -1218,12 +1218,11 @@ static int rsi_freeze(struct device *dev)
common = adapter->priv;
sdev = (struct rsi_91x_sdiodev *)adapter->rsi_dev;
-#ifdef CONFIG_RSI_WOW
if ((common->wow_flags & RSI_WOW_ENABLED) &&
(common->wow_flags & RSI_WOW_NO_CONNECTION))
rsi_dbg(ERR_ZONE,
"##### Device can not wake up through WLAN\n");
-#endif
+
ret = rsi_sdio_disable_interrupts(pfunction);
if (sdev->write_fail)
@@ -1257,6 +1256,31 @@ static int rsi_thaw(struct device *dev)
return 0;
}
+static void rsi_shutdown(struct device *dev)
+{
+ struct sdio_func *pfunction = dev_to_sdio_func(dev);
+ struct rsi_hw *adapter = sdio_get_drvdata(pfunction);
+ struct rsi_91x_sdiodev *sdev =
+ (struct rsi_91x_sdiodev *)adapter->rsi_dev;
+ struct ieee80211_hw *hw = adapter->hw;
+ struct cfg80211_wowlan *wowlan = hw->wiphy->wowlan_config;
+
+ rsi_dbg(ERR_ZONE, "SDIO Bus shutdown =====>\n");
+
+ if (rsi_config_wowlan(adapter, wowlan))
+ rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n");
+
+ rsi_sdio_disable_interrupts(sdev->pfunction);
+
+ if (sdev->write_fail)
+ rsi_dbg(INFO_ZONE, "###### Device is not ready #######\n");
+
+ if (rsi_set_sdio_pm_caps(adapter))
+ rsi_dbg(INFO_ZONE, "Setting power management caps failed\n");
+
+ rsi_dbg(INFO_ZONE, "***** RSI module shut down *****\n");
+}
+
int rsi_sdio_reinit_device(struct rsi_hw *adapter)
{
struct rsi_91x_sdiodev *sdev = adapter->rsi_dev;
@@ -1297,9 +1321,7 @@ static int rsi_restore(struct device *dev)
adapter->sc_nvifs = 0;
ieee80211_restart_hw(adapter->hw);
-#ifdef CONFIG_RSI_WOW
common->wow_flags = 0;
-#endif
common->iface_down = false;
rsi_dbg(INFO_ZONE, "RSI module restored\n");
@@ -1331,6 +1353,7 @@ static struct sdio_driver rsi_driver = {
#ifdef CONFIG_PM
.drv = {
.pm = &rsi_pm_ops,
+ .shutdown = rsi_shutdown,
}
#endif
};