ipw2200 trivial annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 90 insertions, 94 deletions

diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 7c45ba53f379..7ac57f1fc18b 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -2403,14 +2403,13 @@ static int ipw_set_random_seed(struct ipw_priv *priv)
 
 static int ipw_send_card_disable(struct ipw_priv *priv, u32 phy_off)
 {
+        __le32 v = cpu_to_le32(phy_off);
         if (!priv) {
                 IPW_ERROR("Invalid args\n");
                 return -1;
         }
 
-        phy_off = cpu_to_le32(phy_off);
-        return ipw_send_cmd_pdu(priv, IPW_CMD_CARD_DISABLE, sizeof(phy_off),
-                                &phy_off);
+        return ipw_send_cmd_pdu(priv, IPW_CMD_CARD_DISABLE, sizeof(v), &v);
 }
 
 static int ipw_send_tx_power(struct ipw_priv *priv, struct ipw_tx_power *power)
@@ -2499,7 +2498,7 @@ static int ipw_send_frag_threshold(struct ipw_priv *priv, u16 frag)
 
 static int ipw_send_power_mode(struct ipw_priv *priv, u32 mode)
 {
-        u32 param;
+        __le32 param;
 
         if (!priv) {
                 IPW_ERROR("Invalid args\n");
@@ -2510,17 +2509,16 @@ static int ipw_send_power_mode(struct ipw_priv *priv, u32 mode)
          * level */
         switch (mode) {
         case IPW_POWER_BATTERY:
-                param = IPW_POWER_INDEX_3;
+                param = cpu_to_le32(IPW_POWER_INDEX_3);
                 break;
         case IPW_POWER_AC:
-                param = IPW_POWER_MODE_CAM;
+                param = cpu_to_le32(IPW_POWER_MODE_CAM);
                 break;
         default:
-                param = mode;
+                param = cpu_to_le32(mode);
                 break;
         }
 
-        param = cpu_to_le32(param);
         return ipw_send_cmd_pdu(priv, IPW_CMD_POWER_MODE, sizeof(param),
                                 &param);
 }
@@ -2654,13 +2652,13 @@ static void eeprom_parse_mac(struct ipw_priv *priv, u8 * mac)
 static void ipw_eeprom_init_sram(struct ipw_priv *priv)
 {
         int i;
-        u16 *eeprom = (u16 *) priv->eeprom;
+        __le16 *eeprom = (__le16 *) priv->eeprom;
 
         IPW_DEBUG_TRACE(">>\n");
 
         /* read entire contents of eeprom into private buffer */
         for (i = 0; i < 128; i++)
-                eeprom[i] = le16_to_cpu(eeprom_read_u16(priv, (u8) i));
+                eeprom[i] = cpu_to_le16(eeprom_read_u16(priv, (u8) i));
 
         /*
            If the data looks correct, then copy it to our private
@@ -3040,17 +3038,17 @@ static void ipw_arc_release(struct ipw_priv *priv)
 }
 
 struct fw_chunk {
-        u32 address;
-        u32 length;
+        __le32 address;
+        __le32 length;
 };
 
 static int ipw_load_ucode(struct ipw_priv *priv, u8 * data, size_t len)
 {
         int rc = 0, i, addr;
         u8 cr = 0;
-        u16 *image;
+        __le16 *image;
 
-        image = (u16 *) data;
+        image = (__le16 *) data;
 
         IPW_DEBUG_TRACE(">> \n");
 
@@ -3097,7 +3095,7 @@ static int ipw_load_ucode(struct ipw_priv *priv, u8 * data, size_t len)
         /* load new ipw uCode */
         for (i = 0; i < len / 2; i++)
                 ipw_write_reg16(priv, IPW_BASEBAND_CONTROL_STORE,
-                                cpu_to_le16(image[i]));
+                                le16_to_cpu(image[i]));
 
         /* enable DINO */
         ipw_write_reg8(priv, IPW_BASEBAND_CONTROL_STATUS, 0);
@@ -3116,11 +3114,11 @@ static int ipw_load_ucode(struct ipw_priv *priv, u8 * data, size_t len)
 
         if (cr & DINO_RXFIFO_DATA) {
                 /* alive_command_responce size is NOT multiple of 4 */
-                u32 response_buffer[(sizeof(priv->dino_alive) + 3) / 4];
+                __le32 response_buffer[(sizeof(priv->dino_alive) + 3) / 4];
 
                 for (i = 0; i < ARRAY_SIZE(response_buffer); i++)
                         response_buffer[i] =
-                            le32_to_cpu(ipw_read_reg32(priv,
+                            cpu_to_le32(ipw_read_reg32(priv,
                                                        IPW_BASEBAND_RX_FIFO_READ));
                 memcpy(&priv->dino_alive, response_buffer,
                        sizeof(priv->dino_alive));
@@ -4396,9 +4394,10 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                                        struct ipw_rx_notification *notif)
 {
         DECLARE_MAC_BUF(mac);
+        u16 size = le16_to_cpu(notif->size);
         notif->size = le16_to_cpu(notif->size);
 
-        IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, notif->size);
+        IPW_DEBUG_NOTIF("type = %i (%d bytes)\n", notif->subtype, size);
 
         switch (notif->subtype) {
         case HOST_NOTIFICATION_STATUS_ASSOCIATED:{
@@ -4453,20 +4452,17 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                                                 if ((sizeof
                                                      (struct
                                                       ieee80211_assoc_response)
-                                                     <= notif->size)
-                                                    && (notif->size <= 2314)) {
+                                                     <= size)
+                                                    && (size <= 2314)) {
                                                         struct
                                                         ieee80211_rx_stats
                                                             stats = {
-                                                                .len =
-                                                                    notif->
-                                                                    size - 1,
+                                                                .len = size - 1,
                                                         };
 
                                                         IPW_DEBUG_QOS
                                                             ("QoS Associate "
-                                                             "size %d\n",
-                                                             notif->size);
+                                                             "size %d\n", size);
                                                         ieee80211_rx_mgt(priv->
                                                                          ieee,
                                                                          (struct
@@ -4671,20 +4667,20 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                         struct notif_channel_result *x =
                             &notif->u.channel_result;
 
-                        if (notif->size == sizeof(*x)) {
+                        if (size == sizeof(*x)) {
                                 IPW_DEBUG_SCAN("Scan result for channel %d\n",
                                                x->channel_num);
                         } else {
                                 IPW_DEBUG_SCAN("Scan result of wrong size %d "
                                                "(should be %zd)\n",
-                                               notif->size, sizeof(*x));
+                                               size, sizeof(*x));
                         }
                         break;
                 }
 
         case HOST_NOTIFICATION_STATUS_SCAN_COMPLETED:{
                         struct notif_scan_complete *x = &notif->u.scan_complete;
-                        if (notif->size == sizeof(*x)) {
+                        if (size == sizeof(*x)) {
                                 IPW_DEBUG_SCAN
                                     ("Scan completed: type %d, %d channels, "
                                      "%d status\n", x->scan_type,
@@ -4692,7 +4688,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                         } else {
                                 IPW_ERROR("Scan completed of wrong size %d "
                                           "(should be %zd)\n",
-                                          notif->size, sizeof(*x));
+                                          size, sizeof(*x));
                         }
 
                         priv->status &=
@@ -4758,13 +4754,13 @@ static void ipw_rx_notification(struct ipw_priv *priv,
         case HOST_NOTIFICATION_STATUS_FRAG_LENGTH:{
                         struct notif_frag_length *x = &notif->u.frag_len;
 
-                        if (notif->size == sizeof(*x))
+                        if (size == sizeof(*x))
                                 IPW_ERROR("Frag length: %d\n",
                                           le16_to_cpu(x->frag_length));
                         else
                                 IPW_ERROR("Frag length of wrong size %d "
                                           "(should be %zd)\n",
-                                          notif->size, sizeof(*x));
+                                          size, sizeof(*x));
                         break;
                 }
 
@@ -4772,7 +4768,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                         struct notif_link_deterioration *x =
                             &notif->u.link_deterioration;
 
-                        if (notif->size == sizeof(*x)) {
+                        if (size == sizeof(*x)) {
                                 IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
                                         "link deterioration: type %d, cnt %d\n",
                                         x->silence_notification_type,
@@ -4782,7 +4778,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
                         } else {
                                 IPW_ERROR("Link Deterioration of wrong size %d "
                                           "(should be %zd)\n",
-                                          notif->size, sizeof(*x));
+                                          size, sizeof(*x));
                         }
                         break;
                 }
@@ -4798,10 +4794,10 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 
         case HOST_NOTIFICATION_STATUS_BEACON_STATE:{
                         struct notif_beacon_state *x = &notif->u.beacon_state;
-                        if (notif->size != sizeof(*x)) {
+                        if (size != sizeof(*x)) {
                                 IPW_ERROR
                                     ("Beacon state of wrong size %d (should "
-                                     "be %zd)\n", notif->size, sizeof(*x));
+                                     "be %zd)\n", size, sizeof(*x));
                                 break;
                         }
 
@@ -4816,7 +4812,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 
         case HOST_NOTIFICATION_STATUS_TGI_TX_KEY:{
                         struct notif_tgi_tx_key *x = &notif->u.tgi_tx_key;
-                        if (notif->size == sizeof(*x)) {
+                        if (size == sizeof(*x)) {
                                 IPW_ERROR("TGi Tx Key: state 0x%02x sec type "
                                           "0x%02x station %d\n",
                                           x->key_state, x->security_type,
@@ -4826,14 +4822,14 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 
                         IPW_ERROR
                             ("TGi Tx Key of wrong size %d (should be %zd)\n",
-                             notif->size, sizeof(*x));
+                             size, sizeof(*x));
                         break;
                 }
 
         case HOST_NOTIFICATION_CALIB_KEEP_RESULTS:{
                         struct notif_calibration *x = &notif->u.calibration;
 
-                        if (notif->size == sizeof(*x)) {
+                        if (size == sizeof(*x)) {
                                 memcpy(&priv->calib, x, sizeof(*x));
                                 IPW_DEBUG_INFO("TODO: Calibration\n");
                                 break;
@@ -4841,12 +4837,12 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 
                         IPW_ERROR
                             ("Calibration of wrong size %d (should be %zd)\n",
-                             notif->size, sizeof(*x));
+                             size, sizeof(*x));
                         break;
                 }
 
         case HOST_NOTIFICATION_NOISE_STATS:{
-                        if (notif->size == sizeof(u32)) {
+                        if (size == sizeof(u32)) {
                                 priv->exp_avg_noise =
                                     exponential_average(priv->exp_avg_noise,
                                     (u8) (le32_to_cpu(notif->u.noise.value) & 0xff),
@@ -4856,14 +4852,14 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 
                         IPW_ERROR
                             ("Noise stat is wrong size %d (should be %zd)\n",
-                             notif->size, sizeof(u32));
+                             size, sizeof(u32));
                         break;
                 }
 
         default:
                 IPW_DEBUG_NOTIF("Unknown notification: "
                                 "subtype=%d,flags=0x%2x,size=%d\n",
-                                notif->subtype, notif->flags, notif->size);
+                                notif->subtype, notif->flags, size);
         }
 }
 
@@ -6767,7 +6763,7 @@ static int ipw_wx_set_mlme(struct net_device *dev,
 {
         struct ipw_priv *priv = ieee80211_priv(dev);
         struct iw_mlme *mlme = (struct iw_mlme *)extra;
-        u16 reason;
+        __le16 reason;
 
         reason = cpu_to_le16(mlme->reason_code);
 
@@ -10438,18 +10434,18 @@ static void ipw_handle_promiscuous_tx(struct ipw_priv *priv,
                 rt_hdr->it_present = 0; /* after all, it's just an idea */
                 rt_hdr->it_present |=  cpu_to_le32(1 << IEEE80211_RADIOTAP_CHANNEL);
 
-                *(u16*)skb_put(dst, sizeof(u16)) = cpu_to_le16(
+                *(__le16*)skb_put(dst, sizeof(u16)) = cpu_to_le16(
                         ieee80211chan2mhz(priv->channel));
                 if (priv->channel > 14)         /* 802.11a */
-                        *(u16*)skb_put(dst, sizeof(u16)) =
+                        *(__le16*)skb_put(dst, sizeof(u16)) =
                                 cpu_to_le16(IEEE80211_CHAN_OFDM |
                                              IEEE80211_CHAN_5GHZ);
                 else if (priv->ieee->mode == IEEE_B) /* 802.11b */
-                        *(u16*)skb_put(dst, sizeof(u16)) =
+                        *(__le16*)skb_put(dst, sizeof(u16)) =
                                 cpu_to_le16(IEEE80211_CHAN_CCK |
                                              IEEE80211_CHAN_2GHZ);
                 else            /* 802.11g */
-                        *(u16*)skb_put(dst, sizeof(u16)) =
+                        *(__le16*)skb_put(dst, sizeof(u16)) =
                                 cpu_to_le16(IEEE80211_CHAN_OFDM |
                                  IEEE80211_CHAN_2GHZ);
 
diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h
index b8e815a42be8..fae57a9f8be4 100644
--- a/drivers/net/wireless/ipw2200.h
+++ b/drivers/net/wireless/ipw2200.h
@@ -388,18 +388,18 @@ struct clx2_queue {
 } __attribute__ ((packed));
 
 struct machdr32 {
-        u16 frame_ctl;
+        __le16 frame_ctl;
         u16 duration;           // watch out for endians!
         u8 addr1[MACADRR_BYTE_LEN];
         u8 addr2[MACADRR_BYTE_LEN];
         u8 addr3[MACADRR_BYTE_LEN];
         u16 seq_ctrl;           // more endians!
         u8 addr4[MACADRR_BYTE_LEN];
-        u16 qos_ctrl;
+        __le16 qos_ctrl;
 } __attribute__ ((packed));
 
 struct machdr30 {
-        u16 frame_ctl;
+        __le16 frame_ctl;
         u16 duration;           // watch out for endians!
         u8 addr1[MACADRR_BYTE_LEN];
         u8 addr2[MACADRR_BYTE_LEN];
@@ -409,17 +409,17 @@ struct machdr30 {
 } __attribute__ ((packed));
 
 struct machdr26 {
-        u16 frame_ctl;
+        __le16 frame_ctl;
         u16 duration;           // watch out for endians!
         u8 addr1[MACADRR_BYTE_LEN];
         u8 addr2[MACADRR_BYTE_LEN];
         u8 addr3[MACADRR_BYTE_LEN];
         u16 seq_ctrl;           // more endians!
-        u16 qos_ctrl;
+        __le16 qos_ctrl;
 } __attribute__ ((packed));
 
 struct machdr24 {
-        u16 frame_ctl;
+        __le16 frame_ctl;
         u16 duration;           // watch out for endians!
         u8 addr1[MACADRR_BYTE_LEN];
         u8 addr2[MACADRR_BYTE_LEN];
@@ -466,15 +466,15 @@ struct tfd_command {
 
 struct tfd_data {
         /* Header */
-        u32 work_area_ptr;
+        __le32 work_area_ptr;
         u8 station_number;      /* 0 for BSS */
         u8 reserved1;
-        u16 reserved2;
+        __le16 reserved2;
 
         /* Tx Parameters */
         u8 cmd_id;
         u8 seq_num;
-        u16 len;
+        __le16 len;
         u8 priority;
         u8 tx_flags;
         u8 tx_flags_ext;
@@ -482,11 +482,11 @@ struct tfd_data {
         u8 wepkey[DCT_WEP_KEY_FIELD_LENGTH];
         u8 rate;
         u8 antenna;
-        u16 next_packet_duration;
-        u16 next_frag_len;
-        u16 back_off_counter;   //////txop;
+        __le16 next_packet_duration;
+        __le16 next_frag_len;
+        __le16 back_off_counter;        //////txop;
         u8 retrylimit;
-        u16 cwcurrent;
+        __le16 cwcurrent;
         u8 reserved3;
 
         /* 802.11 MAC Header */
@@ -498,9 +498,9 @@ struct tfd_data {
         } tfd;
 
         /* Payload DMA info */
-        u32 num_chunks;
-        u32 chunk_ptr[NUM_TFD_CHUNKS];
-        u16 chunk_len[NUM_TFD_CHUNKS];
+        __le32 num_chunks;
+        __le32 chunk_ptr[NUM_TFD_CHUNKS];
+        __le16 chunk_len[NUM_TFD_CHUNKS];
 } __attribute__ ((packed));
 
 struct txrx_control_flags {
@@ -547,14 +547,14 @@ struct clx2_tx_queue {
 // Used for passing to driver number of successes and failures per rate
 struct rate_histogram {
         union {
-                u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
-                u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
-                u32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
+                __le32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
+                __le32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
+                __le32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
         } success;
         union {
-                u32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
-                u32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
-                u32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
+                __le32 a[SUP_RATE_11A_MAX_NUM_CHANNELS];
+                __le32 b[SUP_RATE_11B_MAX_NUM_CHANNELS];
+                __le32 g[SUP_RATE_11G_MAX_NUM_CHANNELS];
         } failed;
 } __attribute__ ((packed));
 
@@ -602,13 +602,13 @@ struct notif_scan_complete {
 } __attribute__ ((packed));
 
 struct notif_frag_length {
-        u16 frag_length;
-        u16 reserved;
+        __le16 frag_length;
+        __le16 reserved;
 } __attribute__ ((packed));
 
 struct notif_beacon_state {
-        u32 state;
-        u32 number;
+        __le32 state;
+        __le32 number;
 } __attribute__ ((packed));
 
 struct notif_tgi_tx_key {
@@ -627,7 +627,7 @@ struct notif_link_deterioration {
         u8 modulation;
         struct rate_histogram histogram;
         u8 silence_notification_type;   /* SILENCE_OVER/UNDER_THRESH */
-        u16 silence_count;
+        __le16 silence_count;
 } __attribute__ ((packed));
 
 struct notif_association {
@@ -645,14 +645,14 @@ struct notif_calibration {
 } __attribute__ ((packed));
 
 struct notif_noise {
-        u32 value;
+        __le32 value;
 } __attribute__ ((packed));
 
 struct ipw_rx_notification {
         u8 reserved[8];
         u8 subtype;
         u8 flags;
-        u16 size;
+        __le16 size;
         union {
                 struct notif_association assoc;
                 struct notif_authenticate auth;
@@ -669,7 +669,7 @@ struct ipw_rx_notification {
 } __attribute__ ((packed));
 
 struct ipw_rx_frame {
-        u32 reserved1;
+        __le32 reserved1;
         u8 parent_tsf[4];       // fw_use[0] is boolean for OUR_TSF_IS_GREATER
         u8 received_channel;    // The channel that this frame was received on.
         // Note that for .11b this does not have to be
@@ -680,14 +680,14 @@ struct ipw_rx_frame {
         u8 rssi;
         u8 agc;
         u8 rssi_dbm;
-        u16 signal;
-        u16 noise;
+        __le16 signal;
+        __le16 noise;
         u8 antennaAndPhy;
         u8 control;             // control bit should be on in bg
         u8 rtscts_rate;         // rate of rts or cts (in rts cts sequence rate
         // is identical)
         u8 rtscts_seen;         // 0x1 RTS seen ; 0x2 CTS seen
-        u16 length;
+        __le16 length;
         u8 data[0];
 } __attribute__ ((packed));
 
@@ -827,14 +827,14 @@ struct ipw_tgi_tx_key {
         u8 station_index;
         u8 flags;
         u8 key[16];
-        u32 tx_counter[2];
+        __le32 tx_counter[2];
 } __attribute__ ((packed));
 
 #define IPW_SCAN_CHANNELS 54
 
 struct ipw_scan_request {
         u8 scan_type;
-        u16 dwell_time;
+        __le16 dwell_time;
         u8 channels_list[IPW_SCAN_CHANNELS];
         u8 channels_reserved[3];
 } __attribute__ ((packed));
@@ -849,11 +849,11 @@ enum {
 };
 
 struct ipw_scan_request_ext {
-        u32 full_scan_index;
+        __le32 full_scan_index;
         u8 channels_list[IPW_SCAN_CHANNELS];
         u8 scan_type[IPW_SCAN_CHANNELS / 2];
         u8 reserved;
-        u16 dwell_time[IPW_SCAN_TYPES];
+        __le16 dwell_time[IPW_SCAN_TYPES];
 } __attribute__ ((packed));
 
 static inline u8 ipw_get_scan_type(struct ipw_scan_request_ext *scan, u8 index)
@@ -906,13 +906,13 @@ struct ipw_supported_rates {
 } __attribute__ ((packed));
 
 struct ipw_rts_threshold {
-        u16 rts_threshold;
-        u16 reserved;
+        __le16 rts_threshold;
+        __le16 reserved;
 } __attribute__ ((packed));
 
 struct ipw_frag_threshold {
-        u16 frag_threshold;
-        u16 reserved;
+        __le16 frag_threshold;
+        __le16 reserved;
 } __attribute__ ((packed));
 
 struct ipw_retry_limit {
@@ -931,7 +931,7 @@ struct ipw_dino_config {
 struct ipw_aironet_info {
         u8 id;
         u8 length;
-        u16 reserved;
+        __le16 reserved;
 } __attribute__ ((packed));
 
 struct ipw_rx_key {
@@ -977,12 +977,12 @@ struct ipw_tx_power {
 struct ipw_rsn_capabilities {
         u8 id;
         u8 length;
-        u16 version;
+        __le16 version;
 } __attribute__ ((packed));
 
 struct ipw_sensitivity_calib {
-        u16 beacon_rssi_raw;
-        u16 reserved;
+        __le16 beacon_rssi_raw;
+        __le16 reserved;
 } __attribute__ ((packed));
 
 /**
@@ -1156,8 +1156,8 @@ struct ipw_rt_hdr {
         u64 rt_tsf;      /* TSF */
         u8 rt_flags;    /* radiotap packet flags */
         u8 rt_rate;     /* rate in 500kb/s */
-        u16 rt_channel; /* channel in mhz */
-        u16 rt_chbitmask;       /* channel bitfield */
+        __le16 rt_channel;      /* channel in mhz */
+        __le16 rt_chbitmask;    /* channel bitfield */
         s8 rt_dbmsignal;        /* signal in dbM, kluged to signed */
         s8 rt_dbmnoise;
         u8 rt_antenna;  /* antenna number */