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Date: Sat, 13 Sep 2014 22:38:29 +0200
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel@...r.kernel.org
Cc: davem@...emloft.net, Fabian Frederick <fabf@...net.be>,
Brett Rudley <brudley@...adcom.com>,
Arend van Spriel <arend@...adcom.com>,
"Franky (Zhenhui) Lin" <frankyl@...adcom.com>,
Hante Meuleman <meuleman@...adcom.com>,
"John W. Linville" <linville@...driver.com>,
linux-wireless@...r.kernel.org, brcm80211-dev-list@...adcom.com,
netdev@...r.kernel.org
Subject: [PATCH 4/4 linux-next] 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 <fabf@...net.be>
---
drivers/net/wireless/brcm80211/brcmsmac/dma.c | 38 +++++++++++++--------------
1 file changed, 19 insertions(+), 19 deletions(-)
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;
--
1.8.4.5
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