On 01/22/2012 05:02 AM, Paul Walmsley wrote:
> Commit 6145197be6cc0583fa1a2f4ec1079d366137061e ("i2c: OMAP: Add DT
> support for i2c controller") breaks compilation when CONFIG_OF is not
> defined:
>
> CC drivers/i2c/busses/i2c-omap.o
> drivers/i2c/busses/i2c-omap.c: In function 'omap_i2c_probe':
> drivers/i2c/busses/i2c-omap.c:1021:26: error: 'omap_i2c_of_match' undeclared (first use in this function)
> drivers/i2c/busses/i2c-omap.c:1021:26: note: each undeclared identifier is reported only once for each function it appears in
>
> Fix this by avoiding of_*() functions when !CONFIG_OF.
>
> Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
> Cc: Benoit Cousson <b-cousson@xxxxxx>
> Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
> Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
> Cc: Kevin Hilman <khilman@xxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-omap.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index f713eac..1008e96 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -989,7 +989,7 @@ omap_i2c_probe(struct platform_device *pdev)
> struct resource *mem, *irq, *ioarea;
> struct omap_i2c_bus_platform_data *pdata = pdev->dev.platform_data;
> struct device_node *node = pdev->dev.of_node;
> - const struct of_device_id *match;
> + const struct of_device_id *match = NULL;
> irq_handler_t isr;
> int r;
>
> @@ -1018,7 +1018,9 @@ omap_i2c_probe(struct platform_device *pdev)
> goto err_release_region;
> }
>
> +#ifdef CONFIG_OF
> match = of_match_device(omap_i2c_of_match, &pdev->dev);
> +#endif
How about an empty function for of_match_device instead to avoid the ifdef.
Rob
> if (match) {
> u32 freq = 100000; /* default to 100000 Hz */
>
>
>
>
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