From: "Rafał Miłecki" <zajec5@gmail.com>
To: b43-dev@lists.infradead.org
Subject: [PATCH] b43: Mask out unwanted bits of RX slot address
Date: Sun, 14 Aug 2011 13:17:49 +0200 [thread overview]
Message-ID: <CACna6rzim3t-k5AcRmcyaaU=OcAkiTsL0arAd6ffSSy4VBHJ0Q@mail.gmail.com> (raw)
In-Reply-To: <CACna6ryZMW4+H7nT2Sf8FThYNngC6jgsURR0+N-jm2NZyiqikg@mail.gmail.com>
W dniu 14 sierpnia 2011 11:24 u?ytkownik Rafa? Mi?ecki
<zajec5@gmail.com> napisa?:
> W dniu 14 sierpnia 2011 11:07 u?ytkownik Rafa? Mi?ecki
> <zajec5@gmail.com> napisa?:
>> I guess we should just increase RX ring size instead hacking
>> (stripping) 0x1000 bit. We just need to check ?on which hardware wl
>> uses 256 ring size.
>
> Ignore that. I just got 8 KiB aligned ring when testing 256 ring size.
>
> I agree with David, that 0x1000 comes from ring address. Depending on
> address alignment it's 0 or 1.
I wanted to check if firmware ever uses 0x1000 for addressing
purposes. To test that I've increased RX ring size to 257 and waited
for 8 KiB aligned ring address (to avoid copying 0x1000 bit from
address).
[ 3963.448699] RX ring at 24661e000
(...)
[ 4041.766608] Read RXSTATUS 0x10000fc0 (makes offs 0xfc0, divided by
0x10 gives slot 0xfc
[ 4042.066683] Read RXSTATUS 0x10000fd0 (makes offs 0xfd0, divided by
0x10 gives slot 0xfd
[ 4042.070585] Read RXSTATUS 0x10000fe0 (makes offs 0xfe0, divided by
0x10 gives slot 0xfe
[ 4042.141030] Read RXSTATUS 0x10000ff0 (makes offs 0xff0, divided by
0x10 gives slot 0xff
[ 4042.206599] b43-phy0 ERROR: Fatal DMA error: 0x00011000,
0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
[ 4042.208438] b43-phy0 ERROR: This device does not support DMA on
your system. It will now be switched to PIO.
[ 4042.210463] b43-phy0: Controller RESET (DMA error) ...
Maybe we should just change:
#define B43_DMA64_TXSTATDPTR 0x00001FFF
--
Rafa?
next prev parent reply other threads:[~2011-08-14 11:17 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-18 20:14 No DMA RX on some BCM4321, on BCM43224 and BCM43225 Rafał Miłecki
2011-07-18 20:29 ` Larry Finger
2011-07-18 22:30 ` Rafał Miłecki
2011-07-18 23:32 ` Rafał Miłecki
2011-07-19 6:56 ` Rafał Miłecki
2011-07-19 14:46 ` Larry Finger
2011-07-19 15:12 ` Jonas Gorski
2011-07-18 20:41 ` Michael Büsch
2011-07-18 22:39 ` Rafał Miłecki
2011-07-18 22:59 ` Michael Büsch
2011-07-18 23:07 ` Rafał Miłecki
2011-07-18 23:08 ` Michael Büsch
2011-07-18 23:15 ` Rafał Miłecki
2011-07-18 23:24 ` Michael Büsch
2011-07-18 23:29 ` Rafał Miłecki
2011-07-18 23:12 ` Rafał Miłecki
2011-07-19 22:33 ` David Woodhouse
2011-08-12 1:41 ` David Woodhouse
2011-08-12 10:15 ` [PATCH] b43: Mask out unwanted bits of RX slot address David Woodhouse
2011-08-13 19:10 ` Rafał Miłecki
2011-08-13 19:38 ` Michael Büsch
2011-08-13 22:13 ` Rafał Miłecki
2011-08-13 22:56 ` David Woodhouse
2011-08-14 8:18 ` Rafał Miłecki
2011-08-14 8:19 ` David Woodhouse
2011-08-14 9:02 ` Rafał Miłecki
2011-08-14 9:07 ` Rafał Miłecki
2011-08-14 9:24 ` Rafał Miłecki
2011-08-14 9:31 ` Rafał Miłecki
2011-08-14 11:17 ` Rafał Miłecki [this message]
2011-08-14 11:22 ` Rafał Miłecki
2011-08-14 11:35 ` David Woodhouse
2011-08-14 15:02 ` Rafał Miłecki
2011-08-14 15:10 ` Michael Büsch
2011-08-14 11:38 ` Rafał Miłecki
2011-08-14 11:52 ` Michael Büsch
2011-08-14 12:06 ` David Woodhouse
2011-08-14 13:43 ` Rafał Miłecki
2011-08-12 10:27 ` [PATCH] Fix alignment issues with DMA TX on BCM4331 David Woodhouse
2011-08-13 19:06 ` Rafał Miłecki
2011-08-13 20:18 ` David Woodhouse
2011-08-13 20:22 ` Rafał Miłecki
2011-08-13 20:36 ` David Woodhouse
2011-08-14 8:09 ` Rafał Miłecki
2011-08-13 21:57 ` Larry Finger
2011-08-13 22:02 ` Rafał Miłecki
2011-08-13 22:07 ` David Woodhouse
2011-08-13 22:12 ` Rafał Miłecki
2011-08-13 22:17 ` David Woodhouse
2011-08-14 7:10 ` Rafał Miłecki
2011-08-14 7:35 ` Rafał Miłecki
2011-08-14 8:04 ` David Woodhouse
2011-08-14 8:14 ` Rafał Miłecki
2011-08-13 22:14 ` Larry Finger
2011-08-13 22:17 ` David Woodhouse
2011-08-13 22:29 ` Larry Finger
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