From: David Vrabel <dvrabel@cantab.net>
To: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Francois Romieu <romieu@fr.zoreil.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
david@pleyades.net
Subject: Re: IP1000 gigabit nic driver
Date: Tue, 02 May 2006 01:36:30 +0100 [thread overview]
Message-ID: <4456A98E.9020108@cantab.net> (raw)
In-Reply-To: <20060501204150.GC1450@xi.wantstofly.org>
Lennert Buytenhek wrote:
> On Mon, May 01, 2006 at 10:38:47PM +0200, Francois Romieu wrote:
>
>
>>>-/* Minimum number of miliseconds used to toggle MDC clock during
>>>+/* Minimum number of nanoseconds used to toggle MDC clock during
>>> * MII/GMII register access.
>>> */
>>>-#define IPG_PC_PHYCTRLWAIT 0x01
>>>+#define IPG_PC_PHYCTRLWAIT_NS 200
>>
>>I would have expected a cycle of 400 ns (p.72/77 of the datasheet)
>>for a 2.5 MHz clock. Why is it cut by a two factor ?
>
>
> 200 ns high + 200 ns low = 400 ns clock period?
Yes.
David
next prev parent reply other threads:[~2006-05-02 0:36 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-27 14:29 IP1000 gigabit nic driver David Gómez
2006-04-27 18:56 ` Francois Romieu
2006-04-27 22:26 ` David Vrabel
2006-04-28 7:57 ` David Gómez
2006-04-28 10:58 ` Pekka Enberg
2006-04-28 11:37 ` David Gómez
2006-04-28 11:51 ` Pekka J Enberg
2006-04-28 11:59 ` Pekka J Enberg
2006-04-28 15:30 ` David Gómez
2006-04-28 16:08 ` Stephen Hemminger
2006-04-28 21:58 ` David Gómez
[not found] ` <20060428154251.23fcfc41@localhost.localdomain>
2006-04-29 7:30 ` David Gómez
2006-04-29 10:29 ` Pekka Enberg
2006-04-29 10:35 ` Arjan van de Ven
2006-04-29 12:21 ` David Gómez
2006-04-29 20:35 ` Pekka Enberg
2006-04-30 9:26 ` Pekka Enberg
2006-04-30 23:40 ` David Vrabel
2006-05-01 9:31 ` Pekka Enberg
2006-05-03 12:43 ` Andrew Morton
2006-05-03 13:06 ` Pekka J Enberg
2006-05-03 14:15 ` David Vrabel
2006-05-01 9:43 ` Pekka Enberg
2006-05-01 11:32 ` David Vrabel
2006-05-01 18:08 ` Pekka Enberg
2006-05-01 23:10 ` [PATCH 1/3] ipg: removal of unreachable code Francois Romieu
2006-05-02 6:36 ` Pekka J Enberg
2006-05-01 23:10 ` [PATCH 2/3] ipg: leaks in ipg_probe Francois Romieu
2006-05-02 6:41 ` Pekka J Enberg
2006-05-02 18:33 ` Francois Romieu
2006-05-02 19:04 ` Pekka Enberg
2006-05-02 22:30 ` [PATCH] ipg: removing more dead code David Gómez
2006-05-03 13:12 ` Pekka J Enberg
2006-05-03 21:00 ` [PATCH 2/3] ipg: leaks in ipg_probe David Gómez
2006-05-01 23:12 ` [PATCH 3/3] ipg: plug leaks in the error path of ipg_nic_open Francois Romieu
2006-05-02 6:45 ` Pekka J Enberg
2006-05-02 21:44 ` [PATCH 1/2] ipg: sanitize the pci device table Francois Romieu
2006-05-02 21:45 ` [PATCH 2/2] ipg: redundancy with mii.h Francois Romieu
2006-05-02 21:55 ` Francois Romieu
2006-05-03 6:16 ` Pekka J Enberg
2006-05-03 23:35 ` Francois Romieu
2006-05-04 6:52 ` David Vrabel
2006-05-05 0:24 ` Francois Romieu
2006-05-04 13:44 ` Pekka Enberg
2006-05-04 23:55 ` Francois Romieu
2006-05-20 21:03 ` David Vrabel
2006-05-21 7:23 ` Pekka Enberg
2006-05-21 10:16 ` Francois Romieu
2006-05-22 3:22 ` jesse\(建興\)
2006-05-23 6:50 ` jesse\(建興\)
2006-05-01 20:38 ` IP1000 gigabit nic driver Francois Romieu
2006-05-01 20:41 ` Lennert Buytenhek
2006-05-02 0:36 ` David Vrabel [this message]
2006-05-01 19:39 ` David Gómez
2006-04-29 12:58 ` David Vrabel
2006-04-28 11:59 ` Ingo Oeser
2006-04-28 7:54 ` David Gómez
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