From: Christian Lamparter <chunkeey@googlemail.com>
Date: Fri, 13 Aug 2010 23:11:18 +0000 (+0200)
Subject: carl9170 firmware: add comment about RX overrun recovery
X-Git-Tag: 1.8.5~6
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=76ef9cb2cf3476f03ceab82d96a073111909a685;p=carl9170fw.git

carl9170 firmware: add comment about RX overrun recovery

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
---

diff --git a/carlfw/src/wlan.c b/carlfw/src/wlan.c
index dc37a9f..279aedd 100644
--- a/carlfw/src/wlan.c
+++ b/carlfw/src/wlan.c
@@ -562,6 +562,11 @@ static void wlan_check_rx_overrun(void)
 	fw.wlan.rx_overruns += overruns = get(AR9170_MAC_REG_RX_OVERRUN);
 	if (unlikely(overruns)) {
 		if (overruns == total) {
+			/*
+			 * Theoretically, it should be enough to
+			 * trigger the WLAN RX DMA bit. But the
+			 * original firmware wanted a reset...
+			 */
 			DBG("RX Overrun");
 			fw.wlan.mac_reset++;
 		}