From: "Jakub Kiciński" <moorray3@wp.pl>
To: Richard Genoud <richard.genoud@gmail.com>
Cc: Ivo van Doorn <IvDoorn@gmail.com>,
Gertjan van Wingerde <gwingerde@gmail.com>,
Helmut Schaa <helmut.schaa@googlemail.com>,
"John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rt2x00: BUG: remove double loop on REGISTER_BUSY_COUNT
Date: Thu, 3 Apr 2014 17:37:01 +0200 [thread overview]
Message-ID: <20140403173701.75c1f497@north> (raw)
In-Reply-To: <1396534327-12971-1-git-send-email-richard.genoud@gmail.com>
On Thu, 3 Apr 2014 16:12:07 +0200, Richard Genoud wrote:
> rt2x00usb_register_read_lock() calls rt2x00usb_vendor_req_buff_lock()
> that calls rt2x00usb_vendor_request() which is already looping up to
> REGISTER_BUSY_COUNT times.
>
> So this loop is not needed.
Not true. rt2x00usb_vendor_request() busy-waits for usb_control_msg()
to succeed, rt2x00usb_register_read_lock() busy-waits for the register
field itself to become 0.
Also, how would this be a BUG?
-- kuba
next prev parent reply other threads:[~2014-04-03 15:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-03 14:12 [PATCH] rt2x00: BUG: remove double loop on REGISTER_BUSY_COUNT Richard Genoud
2014-04-03 15:37 ` Jakub Kiciński [this message]
2014-04-03 15:46 ` Richard Genoud
2014-04-04 8:19 ` Stanislaw Gruszka
2014-04-04 9:01 ` Jakub Kiciński
2014-04-04 14:06 ` Stanislaw Gruszka
2014-04-04 14:17 ` Richard Genoud
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