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Re: [PATCH] ath9k: Gather and report bus-timeout errors.

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On 04/03/2012 02:02 PM, Joe Perches wrote:
On Tue, 2012-04-03 at 13:22 -0700, greearb@xxxxxxxxxxxxxxx wrote:
From: Ben Greear<greearb@xxxxxxxxxxxxxxx>

Seems like a useful stat to report (when debugfs
is enabled).
[]
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
[]
@@ -385,57 +385,61 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
  				   size_t count, loff_t *ppos)
  {
  	struct ath_softc *sc = file->private_data;
-	char buf[512];
+	char buf[800];

800 seems excessive.
Maybe it's better to kmalloc this.

Ok.

  	unsigned int len = 0;

  	if (sc->sc_ah->caps.hw_caps&  ATH9K_HW_CAP_EDMA) {
  		len += snprintf(buf + len, sizeof(buf) - len,
-			"%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);
+			"%11s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp);

why change the size from 8 to 11?

To make the columns line up properly.

+#define ATH_INCR_IRQ_STAT_COMMON(c, s)					\
+	do {								\
+		struct ath_softc *sc = (struct ath_softc *) (c)->priv;	\

Isn't priv void *?
I think you don't need the cast.

Dunno..just copied existing code.  I'll see if it compiles w/out
the explicit cast.


+		sc->debug.stats.istats.s++;				\
+	} while (0);

sb: "while (0)" without the ;

Ok.

Thanks,
Ben


--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com
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