[U-Boot] [PATCH] net: fix wrong initialization in davinci-emac driver

Anatolij Gustschin agust at denx.de
Sat Feb 6 15:35:12 CET 2016


On Sat,  6 Feb 2016 15:28:26 +0100
Anatolij Gustschin agust at denx.de wrote:

> From: Vishwas Srivastava <vishu.kernel at gmail.com>
> 
> emac module of the davinci platform supports only 8 tx and 8
> rx channels (total 16). emac driver for davinci platform,
> however, while doing initialization of the dma descriptor
> head pointers, wrongly initializes the 16 head pointers
> (instead of  8) for tx dma and 16 head pointers (insted of 8)
> for rx dma, which is wrong. The result is, that this register
> initilization spills over the other registers which was not
> intended and is undesirable. This patch fixes this problem.
> 
> Signed-off-by: Vishwas Srivastava <vishu.kernel at gmail.com>
> CC: Joe Hershberger <joe.hershberger at ni.com>
> Acked-by: Joe Hershberger <joe.hershberger at ni.com>
> Signed-off-by: Anatolij Gustschin <agust at denx.de>
> ---
> 
> Changes for v4:
> 	- slightly edit the commit message
> 	- prepare properly formated patch
> 
> Changes for v3:
> 	- Added the missing patch part of v2
> 
> Changes for v2:
> 	- cleaned up the style format
> 	- addressed various comments given by Joe
> 
>  drivers/net/davinci_emac.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied to u-boot-staging, thanks!

--
Anatolij


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