Merge remote-tracking branch 'airlied/drm-next' into topic/vblank-rework

Dave asked me to do the backmerge before sending him the revised pull
request, so here we go. Nothing fancy in the conflicts, just a few
things changed right next to each another.

Conflicts:
	drivers/gpu/drm/drm_irq.c

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

5 files changed, 33 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 74bd54d6aceb..85316bb3f8c6 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -1285,6 +1285,7 @@ struct ath5k_hw {
 #define ATH_STAT_STARTED	3		/* opened & irqs enabled */
 
 	unsigned int		filter_flags;	/* HW flags, AR5K_RX_FILTER_* */
+	unsigned int		fif_filter_flags; /* Current FIF_* filter flags */
 	struct ieee80211_channel *curchan;	/* current h/w channel */
 
 	u16			nvifs;
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 4b18434ba697..8ad2550bce7f 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1382,6 +1382,9 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
 	rxs->flag = 0;
 	if (unlikely(rs->rs_status & AR5K_RXERR_MIC))
 		rxs->flag |= RX_FLAG_MMIC_ERROR;
+	if (unlikely(rs->rs_status & AR5K_RXERR_CRC))
+		rxs->flag |= RX_FLAG_FAILED_FCS_CRC;
+
 
 	/*
 	 * always extend the mac timestamp, since this information is
@@ -1449,6 +1452,8 @@ ath5k_receive_frame_ok(struct ath5k_hw *ah, struct ath5k_rx_status *rs)
 	ah->stats.rx_bytes_count += rs->rs_datalen;
 
 	if (unlikely(rs->rs_status)) {
+		unsigned int filters;
+
 		if (rs->rs_status & AR5K_RXERR_CRC)
 			ah->stats.rxerr_crc++;
 		if (rs->rs_status & AR5K_RXERR_FIFO)
@@ -1457,7 +1462,20 @@ ath5k_receive_frame_ok(struct ath5k_hw *ah, struct ath5k_rx_status *rs)
 			ah->stats.rxerr_phy++;
 			if (rs->rs_phyerr > 0 && rs->rs_phyerr < 32)
 				ah->stats.rxerr_phy_code[rs->rs_phyerr]++;
-			return false;
+
+			/*
+			 * Treat packets that underwent a CCK or OFDM reset as having a bad CRC.
+			 * These restarts happen when the radio resynchronizes to a stronger frame
+			 * while receiving a weaker frame. Here we receive the prefix of the weak
+			 * frame. Since these are incomplete packets, mark their CRC as invalid.
+			 */
+			if (rs->rs_phyerr == AR5K_RX_PHY_ERROR_OFDM_RESTART ||
+			    rs->rs_phyerr == AR5K_RX_PHY_ERROR_CCK_RESTART) {
+				rs->rs_status |= AR5K_RXERR_CRC;
+				rs->rs_status &= ~AR5K_RXERR_PHY;
+			} else {
+				return false;
+			}
 		}
 		if (rs->rs_status & AR5K_RXERR_DECRYPT) {
 			/*
@@ -1480,8 +1498,15 @@ ath5k_receive_frame_ok(struct ath5k_hw *ah, struct ath5k_rx_status *rs)
 			return true;
 		}
 
-		/* reject any frames with non-crypto errors */
-		if (rs->rs_status & ~(AR5K_RXERR_DECRYPT))
+		/*
+		 * Reject any frames with non-crypto errors, and take into account the
+		 * current FIF_* filters.
+		 */
+		filters = AR5K_RXERR_DECRYPT;
+		if (ah->fif_filter_flags & FIF_FCSFAIL)
+			filters |= AR5K_RXERR_CRC;
+
+		if (rs->rs_status & ~filters)
 			return false;
 	}
 
diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
index f77ef36acf87..48a6a69b57bc 100644
--- a/drivers/net/wireless/ath/ath5k/led.c
+++ b/drivers/net/wireless/ath/ath5k/led.c
@@ -53,7 +53,7 @@
 #define ATH_POLARITY(data) ((data) & 0xff)
 
 /* Devices we match on for LED config info (typically laptops) */
-static DEFINE_PCI_DEVICE_TABLE(ath5k_led_devices) = {
+static const struct pci_device_id ath5k_led_devices[] = {
 	/* AR5211 */
 	{ PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5211), ATH_LED(0, 0) },
 	/* HP Compaq nc6xx, nc4000, nx6000 */
diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index afb23b3cc7be..b65c38fdaa4b 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -473,6 +473,8 @@ ath5k_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
 	/* Set the cached hw filter flags, this will later actually
 	 * be set in HW */
 	ah->filter_flags = rfilt;
+	/* Store current FIF filter flags */
+	ah->fif_filter_flags = *new_flags;
 
 	mutex_unlock(&ah->lock);
 }
diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c
index 859db7c34f87..c6156cc38940 100644
--- a/drivers/net/wireless/ath/ath5k/pci.c
+++ b/drivers/net/wireless/ath/ath5k/pci.c
@@ -28,7 +28,7 @@
 #include "reg.h"
 
 /* Known PCI ids */
-static DEFINE_PCI_DEVICE_TABLE(ath5k_pci_id_table) = {
+static const struct pci_device_id ath5k_pci_id_table[] = {
 	{ PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */
 	{ PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */
 	{ PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/