[U-Boot] Kirkwood gpio (was: timeout calculation underflow if imprecise 1kHz timer: fix)

Prafulla Wadaskar prafulla at marvell.com
Fri Aug 7 13:13:45 CEST 2009


 

> -----Original Message-----
> From: u-boot-bounces at lists.denx.de 
> [mailto:u-boot-bounces at lists.denx.de] On Behalf Of Alessandro Rubini
> Sent: Friday, August 07, 2009 4:00 PM
> To: wd at denx.de
> Cc: u-boot at lists.denx.de
> Subject: Re: [U-Boot] Kirkwood gpio (was: timeout calculation 
> underflow if imprecise 1kHz timer: fix)
> 
> > I'd prefer "tout = DIV_ROUND_UP(tout*CONFIG_SYS_HZ, 1000);"
> 
> Ok for me.
> 
> BTW: Looking for DIV_ROUND_UP, I found that it's defined in 
> ./include/asm/arch-kirkwood/gpio.h as well. I was checking 
> whether it can be removed, but it looks like nobody is using 
> the driver.
I think at least heiko is the customer for this stuff.
Copying Heiko,
Unfortunately I do not have use case for this :-(
But in near future I will have it.
Dear Heiko,
can you pls check mainlined stuff?

Regards..
Prafulla . .

> 
>    tornado$ grep -r CONFIG_KIRKWOOD_GPIO .
>    ./drivers/gpio/Makefile:COBJS-$(CONFIG_KIRKWOOD_GPIO)   += 
> kw_gpio.o
> 
> The header and C file were added on Jun 29th, but there's not 
> user yet.
> It has been tested by Heiko on the Suen3, but it's not mainline.
> And even that patch doesn't define CONFIG_KIRKWOOD_GPIO .
> 
> /alessandro
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