Re: [PATCH 5/9] dmaengine/ARM: omap-dma: Fix the DMAengine compile test on non OMAP configs
From: Vinod Koul
Date: Tue Sep 20 2016 - 23:43:21 EST
On Fri, Sep 16, 2016 at 11:33:20AM +0300, Peter Ujfalusi wrote:
> The DMAengine driver for omap-dma use three function calls from the
> plat-omap legacy driver. When the DMAengine driver is built when ARCH_OMAP
> is not set, the compilation will fail due to missing symbols.
> Add empty inline functions to allow the DMAengine driver to be compiled
> with COMPILE_TEST.
Peter,
This should be before you enable COMPILE_TEST otherwise build will break!
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> ---
> include/linux/omap-dma.h | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
> index 1d99b61adc65..290081620b3e 100644
> --- a/include/linux/omap-dma.h
> +++ b/include/linux/omap-dma.h
> @@ -297,6 +297,7 @@ struct omap_system_dma_plat_info {
> #define dma_omap15xx() __dma_omap15xx(d)
> #define dma_omap16xx() __dma_omap16xx(d)
>
> +#if defined(CONFIG_ARCH_OMAP)
> extern struct omap_system_dma_plat_info *omap_get_plat_info(void);
>
> extern void omap_set_dma_priority(int lch, int dst_port, int priority);
> @@ -355,4 +356,22 @@ static inline int omap_lcd_dma_running(void)
> }
> #endif
>
> +#else /* CONFIG_ARCH_OMAP */
> +
> +static inline struct omap_system_dma_plat_info *omap_get_plat_info(void)
> +{
> + return NULL;
> +}
> +
> +static inline int omap_request_dma(int dev_id, const char *dev_name,
> + void (*callback)(int lch, u16 ch_status, void *data),
> + void *data, int *dma_ch)
> +{
> + return -ENODEV;
> +}
> +
> +static inline void omap_free_dma(int ch) { }
> +
> +#endif /* CONFIG_ARCH_OMAP */
> +
> #endif /* __LINUX_OMAP_DMA_H */
> --
> 2.10.0
>
--
~Vinod