linux-kernel - Re: [2.6.26-rc4] Problems with rt2x00 USB interface on powerpc (fwd)

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Date:	Tue, 8 Jul 2008 15:58:20 +0200
From:	Ivo van Doorn <ivdoorn@...il.com>
To:	Rogério Brito <rbrito@....usp.br>
Cc:	"John W. Linville" <linville@...driver.com>,
	linux-kernel@...r.kernel.org, rt2400-devel@...ts.sourceforge.net,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [2.6.26-rc4] Problems with rt2x00 USB interface on powerpc (fwd)

Hi,

Could you try some of the following tests to control the registers:
I have grouped each test together, please don't do them all in one single shot,
since that will not help narrowing down the exact register which breaks everything.

> > 11 :0x0005                                                    | 11 :0x000a	MAC_CSR11: SIFS.
> > 12 :0x016c                                                    | 12 :0x013a	MAC_CSR12: EIFS.

echo 11 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_offset
echo 5 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_value
echo 12 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_offset
echo 364 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_value

---

> > 33 :0xb11a                                                    | 33 :0xb162	TXRX_CSR1: TX configuration.

echo 33 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_offset
echo 45338 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_value

---

> > 42 :0x000e                                                    | 42 :0x000a	TXRX_CSR10: Auto responder control.
> > 43 :0x015f                                                    | 43 :0x0000	TXRX_CSR11: Auto responder basic rate.

echo 42 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_offset
echo 14 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_value
echo 43 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_offset
echo 351 > /<debugfsroot>/<mac80211>/rt2500usb/register/csr_value

---

> > 2 :0x1e                                                       | 2 :0x06	R2: TX antenna control

echo 2 > /<debugfsroot>/<mac80211>/rt2500usb/register/bbp_offset
echo 30 > /<debugfsroot>/<mac80211>/rt2500usb/register/bbp_value

Ivo
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