From: Kuninori Morimoto Date: Wed, 27 Nov 2024 00:42:12 +0000 (+0000) Subject: dmaengine: sh: rcar-dmac: add comment for r8a779a0 compatible X-Git-Tag: v6.14-rc1~43^2~33 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=23417899110410f2fc1bf7dd8df381312d60c933;p=thirdparty%2Fkernel%2Flinux.git dmaengine: sh: rcar-dmac: add comment for r8a779a0 compatible Add the reason why we need r8a779a0 compatible. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/87a5dlwlr0.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Vinod Koul --- diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 2679c1f09faf0..0c45ce8c74aa2 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -2023,6 +2023,10 @@ static const struct of_device_id rcar_dmac_of_ids[] = { .compatible = "renesas,rcar-gen4-dmac", .data = &rcar_gen4_dmac_data, }, { + /* + * Backward compatibility for between v5.12 - v5.19 + * which didn't combined with "renesas,rcar-gen4-dmac" + */ .compatible = "renesas,dmac-r8a779a0", .data = &rcar_gen4_dmac_data, },