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ath9k: Make DMA warning in ath_stoprecv WARN_ON_ONCE.

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This decreases spammage in the log.  A single line message
will still be printed, so users can be aware that problem
exists.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Greear 2010-12-06 13:13:07 -08:00 committed by John W. Linville
parent 1435894dcd
commit d7fd1b50a5
2 changed files with 8 additions and 2 deletions
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2
drivers/net/wireless/ath/ath.h
View File

@ -267,6 +267,7 @@ enum ATH_DEBUG {
rtn; \
})
#define ATH_DBG_WARN(foo, arg...) WARN(foo, arg)
#define ATH_DBG_WARN_ON_ONCE(foo) WARN_ON_ONCE(foo)
#else
@ -277,6 +278,7 @@ ath_dbg(struct ath_common *common, enum ATH_DEBUG dbg_mask,
return 0;
}
#define ATH_DBG_WARN(foo, arg...) do {} while (0)
#define ATH_DBG_WARN_ON_ONCE(foo) do {} while (0)
#endif /* CONFIG_ATH_DEBUG */

8
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -528,8 +528,12 @@ bool ath_stoprecv(struct ath_softc *sc)
sc->rx.rxlink = NULL;
spin_unlock_bh(&sc->rx.rxbuflock);
ATH_DBG_WARN(!stopped, "Could not stop RX, we could be "
"confusing the DMA engine when we start RX up\n");
if (unlikely(!stopped)) {
ath_err(ath9k_hw_common(sc->sc_ah),
"Could not stop RX, we could be "
"confusing the DMA engine when we start RX up\n");
ATH_DBG_WARN_ON_ONCE(!stopped);
}
return stopped;
}