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From: Rob Herring <robherring2@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] config: consolidate CONFIG_SYS_HZ definition
Date: Mon, 09 Sep 2013 10:02:23 -0500	[thread overview]
Message-ID: <522DE2FF.2080001@gmail.com> (raw)
In-Reply-To: <20130909140629.4614D380DE2@gemini.denx.de>

On 09/09/2013 09:06 AM, Wolfgang Denk wrote:
> Dear Rob Herring,
> 
> In message <1378670088-17602-1-git-send-email-robherring2@gmail.com> you wrote:
>>
> ...
>> diff --git a/include/config_fallbacks.h b/include/config_fallbacks.h
>> index e59ee96..4c25289 100644
>> --- a/include/config_fallbacks.h
>> +++ b/include/config_fallbacks.h
>> @@ -53,4 +53,8 @@
>>  #define HAVE_BLOCK_DEVICE
>>  #endif
>>  
>> +#ifndef CONFIG_SYS_HZ
>> +#define CONFIG_SYS_HZ		1000
>> +#endif
> 
> This should be not a fallback (i. e. default value) which can be
> silently overwritten - this should be a mandatory definition that
> causes build errors if somebody tries to define a different value.

What do I do with current boards that are wrong? I should make all these
boards have build errors or fix them to use 1000 which may break them at
runtime depending on their possible misuse of CONFIG_SYS_HZ?

include/configs/KAREF.h:#define CONFIG_SYS_HZ                 100
     /* decr freq: 1 ms ticks   */
include/configs/M5271EVB.h:#define CONFIG_SYS_HZ
1000000
include/configs/METROBOX.h:#define CONFIG_SYS_HZ
100            /* decr freq: 1 ms ticks   */
include/configs/MVBLUE.h:#define CONFIG_SYS_HZ                   10000
include/configs/idmr.h:#define CONFIG_SYS_HZ
(50000000 / 64)
include/configs/mini2440.h:#define CONFIG_SYS_HZ
1562500
include/configs/mx1ads.h:#define CONFIG_SYS_HZ                  3686400
include/configs/omap3_zoom2.h:#define CONFIG_SYS_HZ
((V_SCLK) / (2 << CONFIG_SYS_PTV))
include/configs/omap730p2.h:#define CONFIG_SYS_HZ
((CONFIG_SYS_CLK_FREQ)/(2 << CONFIG_SYS_PTV))
include/configs/rsk7203.h:#define CONFIG_SYS_HZ
(CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER)
include/configs/rsk7264.h:#define CONFIG_SYS_HZ
(CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER)
include/configs/rsk7269.h:#define CONFIG_SYS_HZ
(CONFIG_SYS_CLK_FREQ / CMT_CLK_DIVIDER)
include/configs/scb9328.h:#define CONFIG_SYS_HZ                 3686400
     /* incrementer freq: 3.6864 MHz */
include/configs/versatile.h:#define CONFIG_SYS_HZ
(1000000 / 256)

Rob

  reply	other threads:[~2013-09-09 15:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-08 19:54 [U-Boot] [PATCH] config: consolidate CONFIG_SYS_HZ definition Rob Herring
2013-09-09 14:06 ` Wolfgang Denk
2013-09-09 15:02   ` Rob Herring [this message]
2013-09-09 15:41     ` Wolfgang Denk
2013-09-19 19:06       ` Tom Rini
2013-09-19 21:02         ` Rob Herring
2013-09-19 22:13           ` Tom Rini
2013-09-21 20:03 ` [U-Boot] [PATCH v2] " Rob Herring
2013-10-04 13:40 ` [U-Boot] [PATCH v3 0/3] Consolidate " Rob Herring
2013-10-04 13:40   ` [U-Boot] [PATCH v3 1/3] config: consolidate " Rob Herring
2013-10-04 13:40   ` [U-Boot] [PATCH v3 2/3] config: remove platform CONFIG_SYS_HZ definition part 1/2 Rob Herring
2013-10-04 13:40   ` [U-Boot] [PATCH v3 3/3] config: remove platform CONFIG_SYS_HZ definition part 2/2 Rob Herring
2013-11-04 21:31   ` [U-Boot] [PATCH v3 0/3] Consolidate CONFIG_SYS_HZ definition Tom Rini

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