On Mon, Apr 02, 2018 at 04:09:02PM +0530, Radhey Shyam Pandey wrote:
> +
> + if (chan->xdev->has_axieth_connected) {
> + seg = list_first_entry(&desc->segments,
> + struct xilinx_axidma_tx_segment, node);
> + if (cb.callback_param) {
> + app_w = (u32 *) cb.callback_param;
why are you interpreting callback_param? This is plainly wrong.
we do not know what is the interpretation of callback_param and it is
internal to submitter.
What exactly is the problem you are trying to solve?
> + hw = &seg->hw;
> + *app_w = hw->status & XILINX_DMA_MAX_TRANS_LEN;
> + memcpy(app_w, hw->app, sizeof(u32) *
> + XILINX_DMA_NUM_APP_WORDS);
> + }
--
~Vinod
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