add b43 fixes from #2677

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9535 3c298f89-4303-0410-b956-a3cf2f4a3e73

10 files changed, 87 insertions, 34 deletions

diff --git a/package/b43/src/debugfs.c b/package/b43/src/debugfs.c
index b5c589e3a..734e70e1a 100644
--- a/package/b43/src/debugfs.c
+++ b/package/b43/src/debugfs.c
@@ -39,7 +39,7 @@
 
 
 /* The root directory. */
-struct dentry *rootdir;
+static struct dentry *rootdir;
 
 struct b43_debugfs_fops {
 	ssize_t (*read)(struct b43_wldev *dev, char *buf, size_t bufsize);
@@ -76,7 +76,8 @@ struct b43_dfs_file * fops_to_dfs_file(struct b43_wldev *dev,
 
 
 /* wl->irq_lock is locked */
-ssize_t tsf_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
+static ssize_t tsf_read_file(struct b43_wldev *dev,
+			     char *buf, size_t bufsize)
 {
 	ssize_t count = 0;
 	u64 tsf;
@@ -90,7 +91,8 @@ ssize_t tsf_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
 }
 
 /* wl->irq_lock is locked */
-int tsf_write_file(struct b43_wldev *dev, const char *buf, size_t count)
+static int tsf_write_file(struct b43_wldev *dev,
+			  const char *buf, size_t count)
 {
 	u64 tsf;
 
@@ -102,7 +104,8 @@ int tsf_write_file(struct b43_wldev *dev, const char *buf, size_t count)
 }
 
 /* wl->irq_lock is locked */
-ssize_t ucode_regs_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
+static ssize_t ucode_regs_read_file(struct b43_wldev *dev,
+				    char *buf, size_t bufsize)
 {
 	ssize_t count = 0;
 	int i;
@@ -116,7 +119,8 @@ ssize_t ucode_regs_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
 }
 
 /* wl->irq_lock is locked */
-ssize_t shm_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
+static ssize_t shm_read_file(struct b43_wldev *dev,
+			     char *buf, size_t bufsize)
 {
 	ssize_t count = 0;
 	int i;
@@ -135,7 +139,8 @@ ssize_t shm_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
 	return count;
 }
 
-ssize_t txstat_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
+static ssize_t txstat_read_file(struct b43_wldev *dev,
+				char *buf, size_t bufsize)
 {
 	struct b43_txstatus_log *log = &dev->dfsentry->txstatlog;
 	ssize_t count = 0;
@@ -182,7 +187,8 @@ out_unlock:
 	return count;
 }
 
-ssize_t txpower_g_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
+static ssize_t txpower_g_read_file(struct b43_wldev *dev,
+				   char *buf, size_t bufsize)
 {
 	ssize_t count = 0;
 
@@ -214,7 +220,8 @@ out:
 	return count;
 }
 
-int txpower_g_write_file(struct b43_wldev *dev, const char *buf, size_t count)
+static int txpower_g_write_file(struct b43_wldev *dev,
+				const char *buf, size_t count)
 {
 	unsigned long phy_flags;
 
@@ -253,7 +260,8 @@ int txpower_g_write_file(struct b43_wldev *dev, const char *buf, size_t count)
 }
 
 /* wl->irq_lock is locked */
-int restart_write_file(struct b43_wldev *dev, const char *buf, size_t count)
+static int restart_write_file(struct b43_wldev *dev,
+			      const char *buf, size_t count)
 {
 	int err = 0;
 
@@ -285,7 +293,8 @@ static ssize_t append_lo_table(ssize_t count, char *buf, const size_t bufsize,
 	return count;
 }
 
-ssize_t loctls_read_file(struct b43_wldev *dev, char *buf, size_t bufsize)
+static ssize_t loctls_read_file(struct b43_wldev *dev,
+				char *buf, size_t bufsize)
 {
 	ssize_t count = 0;
 	struct b43_txpower_lo_control *lo;
@@ -374,6 +383,8 @@ static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf,
 			err = -ENOMEM;
 			goto out_unlock;
 		}
+		/* Sparse warns about the following memset, because it has a big
+		 * size value. That warning is bogus, so I will ignore it. --mb */
 		memset(buf, 0, bufsize);
 		if (dfops->take_irqlock) {
 			spin_lock_irq(&dev->wl->irq_lock);
diff --git a/package/b43/src/leds.c b/package/b43/src/leds.c
index 3099e6203..19e588582 100644
--- a/package/b43/src/leds.c
+++ b/package/b43/src/leds.c
@@ -29,6 +29,7 @@
 #include "b43.h"
 #include "leds.h"
 
+
 static void b43_led_turn_on(struct b43_wldev *dev, u8 led_index,
 			    bool activelow)
 {
diff --git a/package/b43/src/leds.h b/package/b43/src/leds.h
index 713e18015..b8b1dd521 100644
--- a/package/b43/src/leds.h
+++ b/package/b43/src/leds.h
@@ -23,7 +23,6 @@ struct b43_led {
 	/* The unique name string for this LED device. */
 	char name[B43_LED_MAX_NAME_LEN + 1];
 };
-#define b43_led_index(led)	((int)((led) - (led)->dev->leds))
 
 #define B43_LED_BEHAVIOUR		0x7F
 #define B43_LED_ACTIVELOW		0x80
diff --git a/package/b43/src/main.c b/package/b43/src/main.c
index 4146fdfde..9f8175c25 100644
--- a/package/b43/src/main.c
+++ b/package/b43/src/main.c
@@ -49,7 +49,6 @@
 #include "pio.h"
 #include "sysfs.h"
 #include "xmit.h"
-#include "sysfs.h"
 #include "lo.h"
 #include "pcmcia.h"
 
@@ -107,6 +106,23 @@ static const struct ssb_device_id b43_ssb_tbl[] = {
 
 MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl);
 
+static const struct pci_device_id b43_pci_bridge_tbl[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4311) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4312) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4318) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4319) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4320) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4321) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4325) },
+	{ 0, },
+};
+MODULE_DEVICE_TABLE(pci, b43_pci_bridge_tbl);
+
+static struct pci_driver b43_pci_bridge_driver = {
+	.name = "b43-pci-bridge",
+	.id_table = b43_pci_bridge_tbl,
+};
 /* Channel and ratetables are shared for all devices.
  * They can't be const, because ieee80211 puts some precalculated
  * data in there. This data is the same for all devices, so we don't
@@ -1045,7 +1061,7 @@ static void handle_irq_noise(struct b43_wldev *dev)
 	B43_WARN_ON(!dev->noisecalc.calculation_running);
 	if (dev->noisecalc.channel_at_start != phy->channel)
 		goto drop_calculation;
-	*((u32 *) noise) = cpu_to_le32(b43_jssi_read(dev));
+	*((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev));
 	if (noise[0] == 0x7F || noise[1] == 0x7F ||
 	    noise[2] == 0x7F || noise[3] == 0x7F)
 		goto generate_new;
@@ -1575,8 +1591,7 @@ static int do_request_fw(struct b43_wldev *dev,
 			 const char *name,
 			 const struct firmware **fw)
 {
-	const size_t plen = sizeof(modparam_fwpostfix) + 32;
-	char path[plen];
+	char path[sizeof(modparam_fwpostfix) + 32];
 	struct b43_fw_header *hdr;
 	u32 size;
 	int err;
@@ -2393,7 +2408,7 @@ out_requeue:
 	if (b43_debug(dev, B43_DBG_PWORK_FAST))
 		delay = msecs_to_jiffies(50);
 	else
-		delay = round_jiffies(HZ * 15);
+		delay = round_jiffies_relative(HZ * 15);
 	queue_delayed_work(wl->hw->workqueue, &dev->periodic_work, delay);
 out:
 	mutex_unlock(&wl->mutex);
@@ -3495,7 +3510,7 @@ static int b43_start(struct ieee80211_hw *hw)
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 	struct b43_wldev *dev = wl->current_dev;
 	int did_init = 0;
-	int err;
+	int err = 0;
 
 	mutex_lock(&wl->mutex);
 
@@ -3521,7 +3536,7 @@ static int b43_start(struct ieee80211_hw *hw)
 	return err;
 }
 
-void b43_stop(struct ieee80211_hw *hw)
+static void b43_stop(struct ieee80211_hw *hw)
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 	struct b43_wldev *dev = wl->current_dev;
@@ -4038,6 +4053,16 @@ static struct ssb_driver b43_ssb_driver = {
 	.resume		= b43_resume,
 };
 
+inline int b43_pci_ssb_bridge_init(void)
+{
+	return ssb_pcihost_register(&b43_pci_bridge_driver);
+}
+
+inline void b43_pci_ssb_bridge_exit(void)
+{
+	ssb_pcihost_unregister(&b43_pci_bridge_driver);
+}
+
 static int __init b43_init(void)
 {
 	int err;
@@ -4046,12 +4071,19 @@ static int __init b43_init(void)
 	err = b43_pcmcia_init();
 	if (err)
 		goto err_dfs_exit;
-	err = ssb_driver_register(&b43_ssb_driver);
+
+	err = b43_pci_ssb_bridge_init();
 	if (err)
 		goto err_pcmcia_exit;
 
+	err = ssb_driver_register(&b43_ssb_driver);
+	if (err)
+		goto err_pci_exit;
+
 	return err;
 
+err_pci_exit:
+	b43_pci_ssb_bridge_exit();
 err_pcmcia_exit:
 	b43_pcmcia_exit();
 err_dfs_exit:
@@ -4062,6 +4094,7 @@ err_dfs_exit:
 static void __exit b43_exit(void)
 {
 	ssb_driver_unregister(&b43_ssb_driver);
+	b43_pci_ssb_bridge_exit();
 	b43_pcmcia_exit();
 	b43_debugfs_exit();
 }
diff --git a/package/b43/src/pcmcia.c b/package/b43/src/pcmcia.c
index 3e75a8a12..b242a9a90 100644
--- a/package/b43/src/pcmcia.c
+++ b/package/b43/src/pcmcia.c
@@ -21,6 +21,8 @@
 
 */
 
+#include "pcmcia.h"
+
 #include <linux/ssb/ssb.h>
 
 #include <pcmcia/cs_types.h>
@@ -30,6 +32,7 @@
 #include <pcmcia/ds.h>
 #include <pcmcia/cisreg.h>
 
+
 static /*const */ struct pcmcia_device_id b43_pcmcia_tbl[] = {
 	PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
 	PCMCIA_DEVICE_NULL,
diff --git a/package/b43/src/phy.c b/package/b43/src/phy.c
index 5f7ffa0a7..3d4ed647c 100644
--- a/package/b43/src/phy.c
+++ b/package/b43/src/phy.c
@@ -26,6 +26,7 @@
 */
 
 #include <linux/delay.h>
+#include <linux/io.h>
 #include <linux/types.h>
 
 #include "b43.h"
diff --git a/package/b43/src/pio.c b/package/b43/src/pio.c
index 4ac91fdd3..67752a28e 100644
--- a/package/b43/src/pio.c
+++ b/package/b43/src/pio.c
@@ -60,7 +60,7 @@ static u16 tx_get_next_word(const u8 * txhdr,
 		source = packet;
 		i -= txhdr_size;
 	}
-	ret = le16_to_cpu(*((u16 *) (source + i)));
+	ret = le16_to_cpu(*((__le16 *)(source + i)));
 	*pos += 2;
 
 	return ret;
@@ -104,7 +104,7 @@ static u16 generate_cookie(struct b43_pioqueue *queue,
 			   struct b43_pio_txpacket *packet)
 {
 	u16 cookie = 0x0000;
-	int packetindex;
+	u16 packetindex;
 
 	/* We use the upper 4 bits for the PIO
 	 * controller ID and the lower 12 bits
@@ -125,7 +125,7 @@ static u16 generate_cookie(struct b43_pioqueue *queue,
 	default:
 		B43_WARN_ON(1);
 	}
-	packetindex = pio_txpacket_getindex(packet);
+	packetindex = packet->index;
 	B43_WARN_ON(packetindex & ~0x0FFF);
 	cookie |= (u16) packetindex;
 
@@ -286,6 +286,7 @@ static void setup_txqueues(struct b43_pioqueue *queue)
 
 		packet->queue = queue;
 		INIT_LIST_HEAD(&packet->list);
+		packet->index = i;
 
 		list_add(&packet->list, &queue->txfree);
 	}
@@ -518,9 +519,10 @@ static void pio_rx_error(struct b43_pioqueue *queue,
 
 void b43_pio_rx(struct b43_pioqueue *queue)
 {
-	u16 preamble[21] = { 0 };
+	__le16 preamble[21] = { 0 };
 	struct b43_rxhdr_fw4 *rxhdr;
-	u16 tmp, len, macstat;
+	u16 tmp, len;
+	u32 macstat;
 	int i, preamble_readwords;
 	struct sk_buff *skb;
 
@@ -537,7 +539,7 @@ void b43_pio_rx(struct b43_pioqueue *queue)
 	}
 	b43dbg(queue->dev->wl, "PIO RX timed out\n");
 	return;
-      data_ready:
+data_ready:
 
 	len = b43_pio_read(queue, B43_PIO_RXDATA);
 	if (unlikely(len > 0x700)) {
@@ -558,7 +560,7 @@ void b43_pio_rx(struct b43_pioqueue *queue)
 		preamble[i + 1] = cpu_to_le16(tmp);
 	}
 	rxhdr = (struct b43_rxhdr_fw4 *)preamble;
-	macstat = le16_to_cpu(rxhdr->mac_status);
+	macstat = le32_to_cpu(rxhdr->mac_status);
 	if (macstat & B43_RX_MAC_FCSERR) {
 		pio_rx_error(queue,
 			     (queue->mmio_base == B43_MMIO_PIO1_BASE),
@@ -583,7 +585,7 @@ void b43_pio_rx(struct b43_pioqueue *queue)
 	skb_put(skb, len);
 	for (i = 0; i < len - 1; i += 2) {
 		tmp = b43_pio_read(queue, B43_PIO_RXDATA);
-		*((u16 *) (skb->data + i)) = cpu_to_le16(tmp);
+		*((__le16 *)(skb->data + i)) = cpu_to_le16(tmp);
 	}
 	if (len % 2) {
 		tmp = b43_pio_read(queue, B43_PIO_RXDATA);
diff --git a/package/b43/src/pio.h b/package/b43/src/pio.h
index 46d6d2ea9..3488f2447 100644
--- a/package/b43/src/pio.h
+++ b/package/b43/src/pio.h
@@ -4,6 +4,7 @@
 #include "b43.h"
 
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/list.h>
 #include <linux/skbuff.h>
 
@@ -39,10 +40,9 @@ struct b43_pio_txpacket {
 	struct sk_buff *skb;
 	struct ieee80211_tx_status txstat;
 	struct list_head list;
+	u16 index; /* Index in the tx_packets_cache */
 };
 
-#define pio_txpacket_getindex(packet) ((int)((packet) - (packet)->queue->tx_packets_cache))
-
 struct b43_pioqueue {
 	struct b43_wldev *dev;
 	u16 mmio_base;
diff --git a/package/b43/src/sysfs.c b/package/b43/src/sysfs.c
index fcb777383..f4faff6a7 100644
--- a/package/b43/src/sysfs.c
+++ b/package/b43/src/sysfs.c
@@ -23,13 +23,14 @@
 
 */
 
+#include <linux/capability.h>
+#include <linux/io.h>
+
 #include "b43.h"
 #include "sysfs.h"
 #include "main.h"
 #include "phy.h"
 
-#include <linux/capability.h>
-
 #define GENERIC_FILESIZE	64
 
 static int get_integer(const char *buf, size_t count)
diff --git a/package/b43/src/xmit.c b/package/b43/src/xmit.c
index e6174b6f1..0bd6f8a34 100644
--- a/package/b43/src/xmit.c
+++ b/package/b43/src/xmit.c
@@ -121,10 +121,12 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
 	__u8 *raw = plcp->raw;
 
 	if (b43_is_ofdm_rate(bitrate)) {
-		*data = b43_plcp_get_ratecode_ofdm(bitrate);
+		u32 d;
+
+		d = b43_plcp_get_ratecode_ofdm(bitrate);
 		B43_WARN_ON(octets & 0xF000);
-		*data |= (octets << 5);
-		*data = cpu_to_le32(*data);
+		d |= (octets << 5);
+		*data = cpu_to_le32(d);
 	} else {
 		u32 plen;