of_device_is_compatible() in the end uses strlen of the string for comparison, so in this case, the condition is true even if the requested string "nxp,imx8mq-vpu-g1" is being used. The first chars containing "nxp,imx8mq-vpu" are the same. Fix this by encoding what the comment says. Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxx> --- This is more of a bugreport as the solution doesn't look very elegant to me. I'm happy for advice. thanks, martin drivers/staging/media/hantro/hantro_drv.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index ac232b5f7825..014fab637df0 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -923,10 +923,11 @@ static int hantro_probe(struct platform_device *pdev) /* * Support for nxp,imx8mq-vpu is kept for backwards compatibility - * but it's deprecated. Please update your DTS file to use - * nxp,imx8mq-vpu-g1 or nxp,imx8mq-vpu-g2 instead. + * but it's deprecated. */ - if (of_device_is_compatible(pdev->dev.of_node, "nxp,imx8mq-vpu")) + if ((of_device_is_compatible(pdev->dev.of_node, "nxp,imx8mq-vpu")) && + (!of_device_is_compatible(pdev->dev.of_node, "nxp,imx8mq-vpu-g1")) && + (!of_device_is_compatible(pdev->dev.of_node, "nxp,imx8mq-vpu-g2"))) dev_warn(&pdev->dev, "%s compatible is deprecated\n", match->compatible); -- 2.30.2