On Wed, Feb 08, 2012 at 01:18:21PM +0200, Luciano Coelho wrote:
> Since commit 6145197 (i2c: OMAP: Add DT support for i2c controller),
> building i2c_omap.c breaks if CONFIG_OF is not set:
>
> drivers/i2c/busses/i2c-omap.c: In function 'omap_i2c_probe':
> drivers/i2c/busses/i2c-omap.c:1021: error: 'omap_i2c_of_match' undeclared (first use in this function)
> drivers/i2c/busses/i2c-omap.c:1021: error: (Each undeclared identifier is reported only once
> drivers/i2c/busses/i2c-omap.c:1021: error: for each function it appears in.)
>
> This is because the definition of omap_i2c_of_match is #ifdef'd on
> CONFIG_OF, but the usage of it is not.
>
> Since the places where omap_ic2_of_match are prepared to get NULL
> pointers if CONFIG_OF is not defined, we can simply define it to NULL.
>
> Cc: Benoit Cousson <b-cousson@xxxxxx>
> Signed-off-by: Luciano Coelho <coelho@xxxxxx>
> Reviewed-by: Felipe Balbi <balbi@xxxxxx>
> ---
> v2: changed the commit log to use abbrev sha and include the commit subject
>
> drivers/i2c/busses/i2c-omap.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index f713eac..fd200eb 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -979,6 +979,8 @@ static const struct of_device_id omap_i2c_of_match[] = {
> { },
> };
> MODULE_DEVICE_TABLE(of, omap_i2c_of_match);
> +#else
> +static const struct of_device_id *omap_i2c_of_match = NULL;
> #endif
of_match_ptr(_ptr) will go to NULL if CONFIG_OF is not set, use that please.
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