lkml.org 
[lkml]   [2013]   [Mar]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 02/11] clk: davinci - add PSC clock driver
On 10/29/2012 12:54 AM, Linus Walleij wrote:
> On Thu, Oct 25, 2012 at 6:11 PM, Murali Karicheri <m-karicheri2@ti.com> wrote:
>
>> This is the driver for the Power Sleep Controller (PSC) hardware
>> found on DM SoCs as well Keystone SoCs (c6x). This driver borrowed
>> code from arch/arm/mach-davinci/psc.c and implemented the driver
>> as per common clock provider API. The PSC module is responsible for
>> enabling/disabling the Power Domain and Clock domain for different IPs
>> present in the SoC. The driver is configured through the clock data
>> passed to the driver through struct clk_psc_data.
>>
>> Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
>
> Acked-by: Linus Walleij <linus.walleij@linaro.org>
>
> Here is some pedantic stuff if you're really bored:
>
>> diff --git a/drivers/clk/davinci/clk-psc.c b/drivers/clk/davinci/clk-psc.c
> (...)
>> + ptcmd = 1 << domain;
>
> ptcmd = BIT(domain);
>
>> + pdctl = readl(psc_base + PDCTL + 4 * domain);
>> + pdctl |= 0x100;
>
> pdctl |= BIT(8); /* and here a comment explaing what on earth that means */

It turns out this piece of code is superfluous and the exact same thing
is being done again just down below.

Thanks,
Sekhar


\
 
 \ /
  Last update: 2013-03-19 12:43    [W:0.319 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site