From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/2] net: fec_mxc: configure MDIO hold time
Date: Sun, 3 Jan 2016 15:27:16 +0100 [thread overview]
Message-ID: <56892FC4.80706@denx.de> (raw)
In-Reply-To: <56670061.8060505@nelint.com>
On 08/12/2015 17:08, Eric Nelson wrote:
> Hi Mans,
>
> On 12/08/2015 08:38 AM, Mans Rullgard wrote:
>> If the host clock frequency is higher than 100 MHz, the MDIO hold
>> time needs to be increased from its current setting of one cycle in
>> order to meet the specified minium of 10 ns. Writing an appropriate
>> value to the HOLDTIME field of the MII_SPEED register achieves this.
>>
>> Comment copied from Linux kernel.
>>
>> Signed-off-by: Mans Rullgard <mans@mansr.com>
>> ---
>> drivers/net/fec_mxc.c | 18 +++++++++++++++---
>> 1 file changed, 15 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
>> index 79f6737..1250d2a 100644
>> --- a/drivers/net/fec_mxc.c
>> +++ b/drivers/net/fec_mxc.c
>> @@ -131,13 +131,25 @@ static void fec_mii_setspeed(struct ethernet_regs *eth)
>> /*
>> * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
>> * and do not drop the Preamble.
>> + *
>
> s/filed/field/
Fixed by applying.
Applied to u-boot-imx, thanks!
Best regards,
Stefano Babic
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prev parent reply other threads:[~2016-01-03 14:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-08 15:38 [U-Boot] [PATCH 1/2] net: fec_mxc: configure MDIO hold time Mans Rullgard
2015-12-08 15:38 ` [U-Boot] [PATCH 2/2] net: fec_mxc: unregister mdio bus on probe error Mans Rullgard
2015-12-08 16:17 ` Eric Nelson
2015-12-08 16:21 ` Måns Rullgård
2016-01-03 14:28 ` Stefano Babic
2015-12-08 16:08 ` [U-Boot] [PATCH 1/2] net: fec_mxc: configure MDIO hold time Eric Nelson
2016-01-03 14:27 ` Stefano Babic [this message]
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