[U-Boot] [PATCH 1/3] Fix a typo in the instructions on using omap3's gpio interface.

[Jean-Christophe PLAGNIOL-VILLARD]

On 20:53 Tue 02 Jun     , Tom Rix wrote:
> Using the example for reading a gpio, shows the problem.
> NULL should be the gpio number.
> 
> Signed-off-by: Tom Rix <Tom.Rix at windriver.com>
> ---
>  doc/README.omap3 |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/doc/README.omap3 b/doc/README.omap3
> index e05e816..66e781d 100644
> --- a/doc/README.omap3
> +++ b/doc/README.omap3
> @@ -106,7 +106,7 @@ To clear a bit :
>  To read a bit :
>  
>  	if (!omap_request_gpio(N)) {
> -		omap_set_gpio_direction(NULL, 1);
> +		omap_set_gpio_direction(N, 1);
>  		val = omap_get_gpio_datain(N);
>  		omap_free_gpio(N);
>  	}
> -- 
> 1.6.0.5

On 20:53 Tue 02 Jun     , Tom Rix wrote:
> There are currently 3 versions of the zoom2 board.
> The production board, that is currently being released.
> The beta board, similar in form to the production board but not released.
> The alpha board, a set of PCBs with a very limited circulation.
> 
> GPIO 94 is used to determine the version of the board. If GPIO 94 is clear,
> the board is a production board, otherwise it is a beta board.
> 
> The alpha board will likely be mistaken for a beta board.  An alpha board
> was unavailible for testing.
> 
> This has been tested on the beta and production boards.
> 
> Signed-off-by: Tom Rix <Tom.Rix at windriver.com>
> ---
>  board/omap3/zoom2/zoom2.c |   62 ++++++++++++++++++++++++++++++++++++++++++--
>  board/omap3/zoom2/zoom2.h |    9 ++++++
>  2 files changed, 68 insertions(+), 3 deletions(-)
> 
> diff --git a/board/omap3/zoom2/zoom2.c b/board/omap3/zoom2/zoom2.c
> index e5c248d..94231da 100644
> --- a/board/omap3/zoom2/zoom2.c
> +++ b/board/omap3/zoom2/zoom2.c
> @@ -33,6 +33,7 @@
>  #include <status_led.h>
>  #endif
>  #include <asm/io.h>
> +#include <asm/arch/gpio.h>
>  #include <asm/arch/mem.h>
>  #include <asm/arch/mux.h>
>  #include <asm/arch/sys_proto.h>
> @@ -60,6 +61,60 @@ static u32 gpmc_serial_TL16CP754C[GPMC_MAX_REG] = {
>  	0x1D0904C4, 0
>  };
>  
> +/* Used to track the revision of the board */
> +static ZOOM2_REVISION zoom2_revision = ZOOM2_REVISION_UNKNOWN;
no uppercase please
if you are ok I'll remane it before apply

static zoom2_revision revision = ZOOM2_REVISION_UNKNOWN;

Best Regards,
J.