openwrtv3/package/kernel/mac80211/patches/329-ath9k-clean-up-debugfs-print-of-reset-causes.patch

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From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 18 Oct 2014 13:36:41 +0200
Subject: [PATCH] ath9k: clean up debugfs print of reset causes
Reduce code duplication
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -852,36 +852,30 @@ static ssize_t read_file_reset(struct fi
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
+ static const char * const reset_cause[__RESET_TYPE_MAX] = {
+ [RESET_TYPE_BB_HANG] = "Baseband Hang",
+ [RESET_TYPE_BB_WATCHDOG] = "Baseband Watchdog",
+ [RESET_TYPE_FATAL_INT] = "Fatal HW Error",
+ [RESET_TYPE_TX_ERROR] = "TX HW error",
+ [RESET_TYPE_TX_GTT] = "Transmit timeout",
+ [RESET_TYPE_TX_HANG] = "TX Path Hang",
+ [RESET_TYPE_PLL_HANG] = "PLL RX Hang",
+ [RESET_TYPE_MAC_HANG] = "MAC Hang",
+ [RESET_TYPE_BEACON_STUCK] = "Stuck Beacon",
+ [RESET_TYPE_MCI] = "MCI Reset",
+ };
char buf[512];
unsigned int len = 0;
+ int i;
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "Baseband Hang",
- sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "Baseband Watchdog",
- sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "Fatal HW Error",
- sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "TX HW error",
- sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "TX Path Hang",
- sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "PLL RX Hang",
- sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "MAC Hang",
- sc->debug.stats.reset[RESET_TYPE_MAC_HANG]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "Stuck Beacon",
- sc->debug.stats.reset[RESET_TYPE_BEACON_STUCK]);
- len += scnprintf(buf + len, sizeof(buf) - len,
- "%17s: %2d\n", "MCI Reset",
- sc->debug.stats.reset[RESET_TYPE_MCI]);
+ for (i = 0; i < ARRAY_SIZE(reset_cause); i++) {
+ if (!reset_cause[i])
+ continue;
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", reset_cause[i],
+ sc->debug.stats.reset[i]);
+ }
if (len > sizeof(buf))
len = sizeof(buf);