[U-Boot] [PATCH v3 2/2] hwmon: do not init sensors on startup

Wolfgang Denk wd at denx.de
Mon Aug 1 12:12:24 CEST 2011


Dear Heiko Schocher,

In message <1307610451-13457-1-git-send-email-hs at denx.de> you wrote:
> The U-Boot Design Principles[1] clearly say:
> 
>   Initialize devices only when they are needed within U-Boot, i.e. don't
>   initialize the Ethernet interface(s) unless U-Boot performs a download
>   over Ethernet; don't initialize any IDE or USB devices unless U-Boot
>   actually tries to load files from these, etc. (and don't forget to
>   shut down these devices after using them - otherwise nasty things may
>   happen when you try to boot your OS).
> 
> So, do not initialize and read the sensors on startup.
> 
> Signed-off-by: Heiko Schocher <hs at denx.de>
> cc: Wolfgang Denk <wd at denx.de>
> cc: Holger Brunck <holger.brunck at keymile.com>

Checkpatch says:

ERROR: do not initialise statics to 0 or NULL
#111: FILE: common/cmd_dtt.c:31:
+static unsigned long sensor_initialized = 0;

Please fix and resubmit.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
A door is what a dog is perpetually on the wrong side of.
                                                        - Ogden Nash


More information about the U-Boot mailing list