mmc: renesas_sdhi_internal_dmac: remove superfluous WARN (ebca50df) · Commits · 戴 / test

The WARN can never trigger because we limited the max_seg number in renesas_sdhi_of_data already. Remove it and update the comment. Signed-off-by:

drivers/mmc/host/renesas_sdhi_internal_dmac.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -91,7 +91,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
		.scc_offset = 0x1000,
		.taps = rcar_gen3_scc_taps,
		.taps_num = ARRAY_SIZE(rcar_gen3_scc_taps),
		/* Gen3 SDHI DMAC can handle 0xffffffff blk count, but seg = 1 */
		/* DMAC can handle 0xffffffff blk count but only 1 segment */
		.max_blk_count = 0xffffffff,
		.max_segs = 1,
		};
		@@ -158,9 +158,6 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
		struct scatterlist *sg = host->sg_ptr;
		u32 dtran_mode = DTRAN_MODE_BUS_WID_TH \| DTRAN_MODE_ADDR_MODE;

		/* This DMAC cannot handle if sg_len is not 1 */
		WARN_ON(host->sg_len > 1);

		if (!dma_map_sg(&host->pdev->dev, sg, host->sg_len,
		mmc_get_dma_dir(data)))
		goto force_pio;