Hi Joshua,
Am Freitag 24 September 2010 schrieb Joshua Smith:
> I'm building an AP using the latest CW code with a 2.6.27.8 kernel, and a
> Linsys/Cisco WMP660N PCI adapter. I'm having a problem with the boot-up
> sequence. Sometimes, when I start hostapd, I get this error in the system
> log:
>
> kernel: phy0 -> rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy, aborting.
>
> and hostapd craps out. If I try to run hostapd again, the kernel dies.
Hmm, the legacy driver waits much longer (100 * 1ms) for DMA being ready then
we do in rt2800 (5 * 1ms). Not sure if that will make a difference for you
but please try this patch:
>From d9792259cfc5253725f3855bb2cb9b4acadec103 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@xxxxxxxxxxxxxx>
Date: Sat, 25 Sep 2010 10:32:21 +0200
Subject: [PATCH] rt2x00: increase wait time for WPDMA being ready
Signed-off-by: Helmut Schaa <helmut.schaa@xxxxxxxxxxxxxx>
---
drivers/net/wireless/rt2x00/rt2800lib.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index c7076de..058de10 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -277,7 +277,7 @@ int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
unsigned int i;
u32 reg;
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ for (i = 0; i < 100; i++) {
rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®);
if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
!rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
