On 07/11/2012 11:59 AM, Simon Glass wrote:
Hi Michal,

On Wed, Jul 11, 2012 at 10:19 AM, Michal Simek <mon...@monstr.eu 
<mailto:mon...@monstr.eu>> wrote:

    On 07/10/2012 11:13 PM, Simon Glass wrote:

        Hi Michal,


        On Tue, Jul 10, 2012 at 11:56 AM, Michal Simek <mon...@monstr.eu 
<mailto:mon...@monstr.eu> <mailto:mon...@monstr.eu <mailto:mon...@monstr.eu>>> 
wrote:

             Also include arch specific gpio.h which can contain
             gpio function implementation.

             Signed-off-by: Michal Simek <mon...@monstr.eu <mailto:mon...@monstr.eu> 
<mailto:mon...@monstr.eu <mailto:mon...@monstr.eu>>>
             CC: Simon Glass <s...@chromium.org <mailto:s...@chromium.org> 
<mailto:s...@chromium.org <mailto:s...@chromium.org>>>

             ---
               lib/fdtdec.c |    1 +
               1 files changed, 1 insertions(+), 0 deletions(-)

             diff --git a/lib/fdtdec.c b/lib/fdtdec.c
             index cc09e06..b12eb77 100644
             --- a/lib/fdtdec.c
             +++ b/lib/fdtdec.c
             @@ -25,6 +25,7 @@
               #include <fdtdec.h>

               /* we need the generic GPIO interface here */
             +#include <asm/gpio.h>


        Can you not instead support the generic functions? What are you missing 
from from there that fdtdec.c needs?


    OK. The problem is with fdtdec_setup_gpio function where you called 
gpio_request which
    is gpio specific function which you haven't included.

    The most archs have this defined in arch/<cpuname>/include/asm/__gpio.h.


This is there in my tree. Please see commit:

5f533aeb gpio: Modify common gpio.h to more closely match Linux

This is generic gpio cleanup but I don't think this is the same thing.
I think you should get some warnings for fdtdec compilation around missing 
gpio_request
declaration or you include gpio.h in any other header file which is in 
fdtdec.c/h.

Thanks,
Michal

--
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
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