[U-Boot] [PATCH v4 2/2] mucmc52, uc101: delete ata at 3a00 node, if no CF card is detected

Heiko Schocher hs at denx.de
Mon Sep 14 17:38:28 CEST 2009


Hello Jerry,

Jerry Van Baren wrote:
> Heiko Schocher wrote:
>> U-Boot can detect, if a ide device is present or not.
>> If not and this new config option is activated, u-boot
>> removes the ata node from the DTS before booting Linux,
>> so the Linux IDE driver does not crash, when probing the
>> device. This is needed for buggy hardware (uc101) where
>> no pull down resistor is connected to the signal IDE5V_DD7.
> 
> Nitpicking your commit comment...
> 
> U-Boot can detect if an IDE device is present or not.
> If not, and this new config option is activated, U-Boot
> removes the ATA node from the DTS before booting Linux
> so the Linux IDE driver does not probe the device and
> crash. This is needed for buggy hardware (uc101) where
> no pull down resistor is connected to the signal IDE5V_DD7.

Fixed, thanks!

bye
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany


More information about the U-Boot mailing list