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ath9k: Exclude more functions

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Use CONFIG_ATH9K_CHANNEL_CONTEXT to exclude more functions:

ath_offchannel_channel_change()
ath_scan_channel_start()
ath_scan_send_probe()

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2014-08-23 13:29:11 +05:30 committed by John W. Linville
parent 6d7cbd7790
commit 55254eeaca
2 changed files with 60 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -420,7 +420,6 @@ void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
void ath_chanctx_switch(struct ath_softc *sc, struct ath_chanctx *ctx,
struct cfg80211_chan_def *chandef);
void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
void ath_offchannel_channel_change(struct ath_softc *sc);
void ath_chanctx_offchan_switch(struct ath_softc *sc,
struct ieee80211_channel *chan);
struct ath_chanctx *ath_chanctx_get_oper_chan(struct ath_softc *sc,

120
drivers/net/wireless/ath/ath9k/channel.c
View File

@ -16,23 +16,6 @@
#include "ath9k.h"
static const char *offchannel_state_string(enum ath_offchannel_state state)
{
#define case_rtn_string(val) case val: return #val
switch (state) {
case_rtn_string(ATH_OFFCHANNEL_IDLE);
case_rtn_string(ATH_OFFCHANNEL_PROBE_SEND);
case_rtn_string(ATH_OFFCHANNEL_PROBE_WAIT);
case_rtn_string(ATH_OFFCHANNEL_SUSPEND);
case_rtn_string(ATH_OFFCHANNEL_ROC_START);
case_rtn_string(ATH_OFFCHANNEL_ROC_WAIT);
case_rtn_string(ATH_OFFCHANNEL_ROC_DONE);
default:
return "unknown";
}
}
/* Set/change channels. If the channel is really being changed, it's done
* by reseting the chip. To accomplish this we must first cleanup any pending
* DMA, then restart stuff.
@ -616,6 +599,25 @@ void ath_scan_complete(struct ath_softc *sc, bool abort)
ath9k_ps_restore(sc);
}
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
static const char *offchannel_state_string(enum ath_offchannel_state state)
{
#define case_rtn_string(val) case val: return #val
switch (state) {
case_rtn_string(ATH_OFFCHANNEL_IDLE);
case_rtn_string(ATH_OFFCHANNEL_PROBE_SEND);
case_rtn_string(ATH_OFFCHANNEL_PROBE_WAIT);
case_rtn_string(ATH_OFFCHANNEL_SUSPEND);
case_rtn_string(ATH_OFFCHANNEL_ROC_START);
case_rtn_string(ATH_OFFCHANNEL_ROC_WAIT);
case_rtn_string(ATH_OFFCHANNEL_ROC_DONE);
default:
return "unknown";
}
}
static void ath_scan_send_probe(struct ath_softc *sc,
struct cfg80211_ssid *ssid)
{
@ -674,49 +676,6 @@ static void ath_scan_channel_start(struct ath_softc *sc)
mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);
}
void ath_offchannel_channel_change(struct ath_softc *sc)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
ath_dbg(common, CHAN_CTX, "%s: state: %s\n",
__func__, offchannel_state_string(sc->offchannel.state));
switch (sc->offchannel.state) {
case ATH_OFFCHANNEL_PROBE_SEND:
if (!sc->offchannel.scan_req)
return;
if (sc->cur_chan->chandef.chan !=
sc->offchannel.chan.chandef.chan)
return;
ath_scan_channel_start(sc);
break;
case ATH_OFFCHANNEL_IDLE:
if (!sc->offchannel.scan_req)
return;
ath_scan_complete(sc, false);
break;
case ATH_OFFCHANNEL_ROC_START:
if (sc->cur_chan != &sc->offchannel.chan)
break;
sc->offchannel.state = ATH_OFFCHANNEL_ROC_WAIT;
mod_timer(&sc->offchannel.timer, jiffies +
msecs_to_jiffies(sc->offchannel.duration));
ieee80211_ready_on_channel(sc->hw);
break;
case ATH_OFFCHANNEL_ROC_DONE:
ath_roc_complete(sc, false);
break;
default:
break;
}
}
#ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
static void ath_chanctx_timer(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *) data;
@ -848,6 +807,47 @@ static bool ath_chanctx_defer_switch(struct ath_softc *sc)
return true;
}
static void ath_offchannel_channel_change(struct ath_softc *sc)
{
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
ath_dbg(common, CHAN_CTX, "%s: state: %s\n",
__func__, offchannel_state_string(sc->offchannel.state));
switch (sc->offchannel.state) {
case ATH_OFFCHANNEL_PROBE_SEND:
if (!sc->offchannel.scan_req)
return;
if (sc->cur_chan->chandef.chan !=
sc->offchannel.chan.chandef.chan)
return;
ath_scan_channel_start(sc);
break;
case ATH_OFFCHANNEL_IDLE:
if (!sc->offchannel.scan_req)
return;
ath_scan_complete(sc, false);
break;
case ATH_OFFCHANNEL_ROC_START:
if (sc->cur_chan != &sc->offchannel.chan)
break;
sc->offchannel.state = ATH_OFFCHANNEL_ROC_WAIT;
mod_timer(&sc->offchannel.timer, jiffies +
msecs_to_jiffies(sc->offchannel.duration));
ieee80211_ready_on_channel(sc->hw);
break;
case ATH_OFFCHANNEL_ROC_DONE:
ath_roc_complete(sc, false);
break;
default:
break;
}
}
void ath_chanctx_set_next(struct ath_softc *sc, bool force)
{
struct timespec ts;