Hi Laurent,
On Sun, Apr 24, 2016 at 1:49 AM, Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
> The FCP is a companion module of video processing modules in the
> Renesas R-Car Gen3 SoCs. It provides data compression and decompression,
> data caching, and conversion of AXI transaction in order to reduce the
transactions
> memory bandwidth.
> --- /dev/null
> +++ b/drivers/media/platform/rcar-fcp.c
> @@ -0,0 +1,176 @@
> +/**
> + * rcar_fcp_enable - Enable an FCP
> + * @fcp: The FCP instance
> + *
> + * Before any memory access through an FCP is performed by a module, the FCP
> + * must be enabled by a call to this function. The enable calls are reference
> + * counted, each of them must be followed by one rcar_fcp_disable() call when
> + * no more memory transfer can occur through the FCP.
> + */
> +void rcar_fcp_enable(struct rcar_fcp_device *fcp)
> +{
> + if (fcp)
> + pm_runtime_get_sync(fcp->dev);
Given pm_runtime_get_sync() returns an error code (which is usually just
ignored), perhaps you want to forward that?
> +}
> +EXPORT_SYMBOL_GPL(rcar_fcp_enable);
Regardless
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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