Hi Vinod, Maxime,
On Wednesday 29 October 2014 00:30:58 Laurent Pinchart wrote:
> The function is too big to be a static inline.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Ping ? Could this patch get in v3.20 ?
> ---
> drivers/dma/dmaengine.c | 33 +++++++++++++++++++++++++++++++++
> include/linux/dmaengine.h | 32 +-------------------------------
> 2 files changed, 34 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
> index 300c8cd2786c..caa91abca2ee 100644
> --- a/drivers/dma/dmaengine.c
> +++ b/drivers/dma/dmaengine.c
> @@ -480,6 +480,39 @@ static void dma_channel_rebalance(void)
> }
> }
>
> +int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps)
> +{
> + struct dma_device *device;
> +
> + if (!chan || !caps)
> + return -EINVAL;
> +
> + device = chan->device;
> +
> + /* check if the channel supports slave transactions */
> + if (!test_bit(DMA_SLAVE, device->cap_mask.bits))
> + return -ENXIO;
> +
> + /*
> + * Check whether it reports it uses the generic slave
> + * capabilities, if not, that means it doesn't support any
> + * kind of slave capabilities reporting.
> + */
> + if (!device->directions)
> + return -ENXIO;
> +
> + caps->src_addr_widths = device->src_addr_widths;
> + caps->dst_addr_widths = device->dst_addr_widths;
> + caps->directions = device->directions;
> + caps->residue_granularity = device->residue_granularity;
> +
> + caps->cmd_pause = !!device->device_pause;
> + caps->cmd_terminate = !!device->device_terminate_all;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(dma_get_slave_caps);
> +
> static struct dma_chan *private_candidate(const dma_cap_mask_t *mask,
> struct dma_device *dev,
> dma_filter_fn fn, void *fn_param)
> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
> index b01b7a7c581b..92e0ca01061c 100644
> --- a/include/linux/dmaengine.h
> +++ b/include/linux/dmaengine.h
> @@ -757,37 +757,7 @@ static inline struct dma_async_tx_descriptor
> *dmaengine_prep_dma_sg( src_sg, src_nents, flags);
> }
>
> -static inline int dma_get_slave_caps(struct dma_chan *chan, struct
> dma_slave_caps *caps) -{
> - struct dma_device *device;
> -
> - if (!chan || !caps)
> - return -EINVAL;
> -
> - device = chan->device;
> -
> - /* check if the channel supports slave transactions */
> - if (!test_bit(DMA_SLAVE, device->cap_mask.bits))
> - return -ENXIO;
> -
> - /*
> - * Check whether it reports it uses the generic slave
> - * capabilities, if not, that means it doesn't support any
> - * kind of slave capabilities reporting.
> - */
> - if (!device->directions)
> - return -ENXIO;
> -
> - caps->src_addr_widths = device->src_addr_widths;
> - caps->dst_addr_widths = device->dst_addr_widths;
> - caps->directions = device->directions;
> - caps->residue_granularity = device->residue_granularity;
> -
> - caps->cmd_pause = !!device->device_pause;
> - caps->cmd_terminate = !!device->device_terminate_all;
> -
> - return 0;
> -}
> +int dma_get_slave_caps(struct dma_chan *chan, struct dma_slave_caps *caps);
>
> static inline int dmaengine_terminate_all(struct dma_chan *chan)
> {
--
Regards,
Laurent Pinchart
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