---

yaml --- r: 266542 b: refs/heads/master c: abcb344 h: refs/heads/master v: v3
git-mirror · Aug 31, 2011 · ec9f9bf · ec9f9bf
1 parent d9e2f8f
commit ec9f9bf
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Showing 7 changed files with 83 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1df94a8578eb099d9362cc0b84ef85015c47bbc5
+refs/heads/master: abcb344b3b823c8c9eac6e13e45a53eaf1d5d00b
diff --git a/trunk/drivers/net/wireless/ath/ath6kl/cfg80211.c b/trunk/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -17,6 +17,7 @@
 #include "core.h"
 #include "cfg80211.h"
 #include "debug.h"
+#include "hif-ops.h"
 
 #define RATETAB_ENT(_rate, _rateid, _flags) {   \
 	.bitrate    = (_rate),                  \
@@ -1424,6 +1425,16 @@ static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int ar6k_cfg80211_suspend(struct wiphy *wiphy,
+				 struct cfg80211_wowlan *wow)
+{
+	struct ath6kl *ar = wiphy_priv(wiphy);
+
+	return ath6kl_hif_suspend(ar);
+}
+#endif
+
 static struct cfg80211_ops ath6kl_cfg80211_ops = {
 	.change_virtual_intf = ath6kl_cfg80211_change_iface,
 	.scan = ath6kl_cfg80211_scan,
@@ -1443,6 +1454,9 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = {
 	.set_pmksa = ath6kl_set_pmksa,
 	.del_pmksa = ath6kl_del_pmksa,
 	.flush_pmksa = ath6kl_flush_pmksa,
+#ifdef CONFIG_PM
+	.suspend = ar6k_cfg80211_suspend,
+#endif
 };
 
 struct wireless_dev *ath6kl_cfg80211_init(struct device *dev)

diff --git a/trunk/drivers/net/wireless/ath/ath6kl/core.h b/trunk/drivers/net/wireless/ath/ath6kl/core.h
@@ -544,6 +544,7 @@ void ath6kl_pspoll_event(struct ath6kl *ar, u8 aid);
 
 void ath6kl_dtimexpiry_event(struct ath6kl *ar);
 void ath6kl_disconnect(struct ath6kl *ar);
+void ath6kl_deep_sleep_enable(struct ath6kl *ar);
 void aggr_recv_delba_req_evt(struct ath6kl *ar, u8 tid);
 void aggr_recv_addba_req_evt(struct ath6kl *ar, u8 tid, u16 seq_no,
 			     u8 win_sz);

diff --git a/trunk/drivers/net/wireless/ath/ath6kl/hif-ops.h b/trunk/drivers/net/wireless/ath/ath6kl/hif-ops.h
@@ -69,4 +69,9 @@ static inline void ath6kl_hif_cleanup_scatter(struct ath6kl *ar)
 	return ar->hif_ops->cleanup_scatter(ar);
 }
 
+static inline int ath6kl_hif_suspend(struct ath6kl *ar)
+{
+	return ar->hif_ops->suspend(ar);
+}
+
 #endif
diff --git a/trunk/drivers/net/wireless/ath/ath6kl/hif.h b/trunk/drivers/net/wireless/ath/ath6kl/hif.h
@@ -202,6 +202,7 @@ struct ath6kl_hif_ops {
 	int (*scat_req_rw) (struct ath6kl *ar,
 			    struct hif_scatter_req *scat_req);
 	void (*cleanup_scatter)(struct ath6kl *ar);
+	int (*suspend)(struct ath6kl *ar);
 };
 
 #endif
diff --git a/trunk/drivers/net/wireless/ath/ath6kl/main.c b/trunk/drivers/net/wireless/ath/ath6kl/main.c
@@ -795,6 +795,41 @@ void ath6kl_disconnect(struct ath6kl *ar)
 	}
 }
 
+void ath6kl_deep_sleep_enable(struct ath6kl *ar)
+{
+	switch (ar->sme_state) {
+	case SME_CONNECTING:
+		cfg80211_connect_result(ar->net_dev, ar->bssid, NULL, 0,
+					NULL, 0,
+					WLAN_STATUS_UNSPECIFIED_FAILURE,
+					GFP_KERNEL);
+		break;
+	case SME_CONNECTED:
+	default:
+		/*
+		 * FIXME: oddly enough smeState is in DISCONNECTED during
+		 * suspend, why? Need to send disconnected event in that
+		 * state.
+		 */
+		cfg80211_disconnected(ar->net_dev, 0, NULL, 0, GFP_KERNEL);
+		break;
+	}
+
+	if (test_bit(CONNECTED, &ar->flag) ||
+	    test_bit(CONNECT_PEND, &ar->flag))
+		ath6kl_wmi_disconnect_cmd(ar->wmi);
+
+	ar->sme_state = SME_DISCONNECTED;
+
+	/* disable scanning */
+	if (ath6kl_wmi_scanparams_cmd(ar->wmi, 0xFFFF, 0, 0, 0, 0, 0, 0, 0,
+				      0, 0) != 0)
+		printk(KERN_WARNING "ath6kl: failed to disable scan "
+		       "during suspend\n");
+
+	ath6kl_cfg80211_scan_complete_event(ar, -ECANCELED);
+}
+
 /* WMI Event handlers */
 
 static const char *get_hw_id_string(u32 id)

diff --git a/trunk/drivers/net/wireless/ath/ath6kl/sdio.c b/trunk/drivers/net/wireless/ath/ath6kl/sdio.c
@@ -726,6 +726,31 @@ static int ath6kl_sdio_enable_scatter(struct ath6kl *ar)
 	return 0;
 }
 
+static int ath6kl_sdio_suspend(struct ath6kl *ar)
+{
+	struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
+	struct sdio_func *func = ar_sdio->func;
+	mmc_pm_flag_t flags;
+	int ret;
+
+	flags = sdio_get_host_pm_caps(func);
+
+	if (!(flags & MMC_PM_KEEP_POWER))
+		/* as host doesn't support keep power we need to bail out */
+		return -EINVAL;
+
+	ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+	if (ret) {
+		printk(KERN_ERR "ath6kl: set sdio pm flags failed: %d\n",
+		       ret);
+		return ret;
+	}
+
+	ath6kl_deep_sleep_enable(ar);
+
+	return 0;
+}
+
 static const struct ath6kl_hif_ops ath6kl_sdio_ops = {
 	.read_write_sync = ath6kl_sdio_read_write_sync,
 	.write_async = ath6kl_sdio_write_async,
@@ -736,6 +761,7 @@ static const struct ath6kl_hif_ops ath6kl_sdio_ops = {
 	.enable_scatter = ath6kl_sdio_enable_scatter,
 	.scat_req_rw = ath6kl_sdio_async_rw_scatter,
 	.cleanup_scatter = ath6kl_sdio_cleanup_scatter,
+	.suspend = ath6kl_sdio_suspend,
 };
 
 static int ath6kl_sdio_probe(struct sdio_func *func,