From: Fabian Frederick Date: Sat, 13 Sep 2014 20:38:29 +0000 (+0200) Subject: brcm80211: use container_of to resolve dma_info from dma_pub X-Git-Tag: v4.9.8~5486^2~75^2~106 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a38a9ef1c0647f9add53ab4b43660d3fbefaa36e;p=platform%2Fkernel%2Flinux-rpi3.git brcm80211: use container_of to resolve dma_info from dma_pub Use container_of instead of casting first structure member. Compiled but untested. Signed-off-by: Fabian Frederick Acked-by: Arend van Spriel Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c index 4fb9635..796f5f9 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c @@ -746,7 +746,7 @@ dma64_dd_upd(struct dma_info *di, struct dma64desc *ddring, /* !! may be called with core in reset */ void dma_detach(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); brcms_dbg_dma(di->core, "%s:\n", di->name); @@ -842,7 +842,7 @@ static void _dma_rxenable(struct dma_info *di) void dma_rxinit(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); brcms_dbg_dma(di->core, "%s:\n", di->name); @@ -924,7 +924,7 @@ static struct sk_buff *_dma_getnextrxp(struct dma_info *di, bool forceall) */ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct sk_buff_head dma_frames; struct sk_buff *p, *next; uint len; @@ -1022,7 +1022,7 @@ static bool dma64_txidle(struct dma_info *di) */ bool dma_rxfill(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct sk_buff *p; u16 rxin, rxout; u32 flags = 0; @@ -1106,7 +1106,7 @@ bool dma_rxfill(struct dma_pub *pub) void dma_rxreclaim(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct sk_buff *p; brcms_dbg_dma(di->core, "%s:\n", di->name); @@ -1126,7 +1126,7 @@ void dma_counterreset(struct dma_pub *pub) /* get the address of the var in order to change later */ unsigned long dma_getvar(struct dma_pub *pub, const char *name) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); if (!strcmp(name, "&txavail")) return (unsigned long)&(di->dma.txavail); @@ -1137,7 +1137,7 @@ unsigned long dma_getvar(struct dma_pub *pub, const char *name) void dma_txinit(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); u32 control = D64_XC_XE; brcms_dbg_dma(di->core, "%s:\n", di->name); @@ -1170,7 +1170,7 @@ void dma_txinit(struct dma_pub *pub) void dma_txsuspend(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); brcms_dbg_dma(di->core, "%s:\n", di->name); @@ -1182,7 +1182,7 @@ void dma_txsuspend(struct dma_pub *pub) void dma_txresume(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); brcms_dbg_dma(di->core, "%s:\n", di->name); @@ -1194,7 +1194,7 @@ void dma_txresume(struct dma_pub *pub) bool dma_txsuspended(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); return (di->ntxd == 0) || ((bcma_read32(di->core, @@ -1204,7 +1204,7 @@ bool dma_txsuspended(struct dma_pub *pub) void dma_txreclaim(struct dma_pub *pub, enum txd_range range) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct sk_buff *p; brcms_dbg_dma(di->core, "%s: %s\n", @@ -1225,7 +1225,7 @@ void dma_txreclaim(struct dma_pub *pub, enum txd_range range) bool dma_txreset(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); u32 status; if (di->ntxd == 0) @@ -1252,7 +1252,7 @@ bool dma_txreset(struct dma_pub *pub) bool dma_rxreset(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); u32 status; if (di->nrxd == 0) @@ -1377,7 +1377,7 @@ static void dma_update_txavail(struct dma_info *di) int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub, struct sk_buff *p) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct brcms_ampdu_session *session = &di->ampdu_session; struct ieee80211_tx_info *tx_info; bool is_ampdu; @@ -1427,7 +1427,7 @@ int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub, void dma_txflush(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct brcms_ampdu_session *session = &di->ampdu_session; if (!skb_queue_empty(&session->skb_list)) @@ -1436,7 +1436,7 @@ void dma_txflush(struct dma_pub *pub) int dma_txpending(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); return ntxdactive(di, di->txin, di->txout); } @@ -1446,7 +1446,7 @@ int dma_txpending(struct dma_pub *pub) */ void dma_kick_tx(struct dma_pub *pub) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); struct brcms_ampdu_session *session = &di->ampdu_session; if (!skb_queue_empty(&session->skb_list) && dma64_txidle(di)) @@ -1465,7 +1465,7 @@ void dma_kick_tx(struct dma_pub *pub) */ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range) { - struct dma_info *di = (struct dma_info *)pub; + struct dma_info *di = container_of(pub, struct dma_info, dma); u16 start, end, i; u16 active_desc; struct sk_buff *txp; @@ -1547,7 +1547,7 @@ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range) void dma_walk_packets(struct dma_pub *dmah, void (*callback_fnc) (void *pkt, void *arg_a), void *arg_a) { - struct dma_info *di = (struct dma_info *) dmah; + struct dma_info *di = container_of(dmah, struct dma_info, dma); uint i = di->txin; uint end = di->txout; struct sk_buff *skb;