[PATCH] dmaengine: imx-sdma: Allow imx8m for imx7 FW revs

[Fabio Estevam]

On Mon, Jun 6, 2022 at 1:10 PM Peter Robinson <pbrobinson at gmail.com> wrote:
>
> The revision of the imx-sdma IP that is in the i.MX8M series is the
> same is that as that in the i.MX7 series but the imx7d MODULE_FIRMWARE
> directive is wrapped in a condiditional which means it's not defined
> when built for aarch64 SOC_IMX8M platforms and hence you get the
> following errors when the driver loads on imx8m devices:
>
> imx-sdma 302c0000.dma-controller: Direct firmware load for imx/sdma/sdma-imx7d.bin failed with error -2
> imx-sdma 302c0000.dma-controller: external firmware not found, using ROM firmware
>
> Add the SOC_IMX8M into the check so the firmware can load on i.MX8.
>
> Fixes: 1474d48bd639 ("arm64: dts: imx8mq: Add SDMA nodes")
> Fixes: 941acd566b18 ("dmaengine: imx-sdma: Only check ratio on parts that support 1:1")
> Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
> Cc: stable at vger.kernel.org   # v5.2+

Reviewed-by: Fabio Estevam <festevam at gmail.com>