On Tue, Jan 29, 2019 at 11:27:26AM +0530, Vignesh R wrote:
> The UDMA-P is intended to perform similar (but significantly upgraded)
> functions
> as the packet-oriented DMA used on previous SoC devices. The UDMA-P module
> supports the transmission and reception of various packet types.
> The UDMA-P also supports acting as both a UTC and UDMA-C for its internal
> channels. Channels in the UDMA-P can be configured to be either Packet-Based
> or
> Third-Party channels on a channel by channel basis.
>
> The initial driver supports:
> - MEM_TO_MEM (TR mode)
> - DEV_TO_MEM (Packet mode)
> - MEM_TO_DEV (Packet mode)
>
> Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
> Signed-off-by: Grygorii Strashko <grygorii.stras...@ti.com>
> Signed-off-by: Vignesh R <vigne...@ti.com>
[snip]
> +#ifdef DEBUG
> +#define k3_udma_dbg(arg...) pr_err(arg)
> +#define k3_udma_dev_dbg(dev, arg...) dev_err(dev, arg)
> +static void k3_udma_print_buf(ulong addr, const void *data, uint width,
> + uint count, uint linelen)
> +{
> + print_buffer(addr, data, width, count, linelen);
> +}
> +#else
> +#define k3_udma_dbg(arg...)
> +#define k3_udma_dev_dbg(arg...)
> +static void k3_udma_print_buf(ulong addr, const void *data, uint width,
> + uint count, uint linelen)
> +{}
> +#endifHere too what I've just said in another part of the thread about pr_xxx and I sent in reply to another thread about print_buffer directly or not at all. Thanks! -- Tom
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