[U-Boot] [PATCH 1/4] gpio: Adds GPIO driver support for Armada100

Wolfgang Denk wd at denx.de
Wed Jul 20 14:19:03 CEST 2011


Dear Ajay Bhargav,

In message <1499501074.35394.1311158638174.JavaMail.root at ahm.einfochips.com> you wrote:
> Hi Lei,
> 
> > I think we make thing complicated here. For GPIO driver, the only
> > structure we need to
> > define is the GPIO register itself, like GPIO_PLR, GPIO_PDR, etc...
> > 
> 
> I got your point, but lemme show you where the problem is..
> GPIO_PLR0    0x0000
> GPIO_PLR1    0x0004
> GPIO_PLR2    0x0008
> GPIO_PLR3    0x0100
> 
> till 3 registers its fine... fourth register is way out of league.

In which way?  Just because there is a gap between?  No problem.
Insert a filler element to your struct.

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
How many seconds are there in a year? If I tell you there are 3.155 x
10^7, you won't even try to remember it. On the other hand, who could
forget that, to within half a percent, pi seconds is  a  nanocentury.
                                               -- Tom Duff, Bell Labs


More information about the U-Boot mailing list