On Sun, May 22, 2022 at 10:22:23PM +0200, Dario Binacchi wrote:
> Driver registration fails on SOC imx8mn as its supplier, the clock
> control module, is not ready. Since platform_driver_probe(), as
> reported by its description, is incompatible with deferred probing,
> we have to use platform_driver_register().
>
> Fixes: a580b8c5429a ("dmaengine: mxs-dma: add dma support for i.MX23/28")
> Co-developed-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Dario Binacchi <dario.binacchi@xxxxxxxxxxxxxxxxxxxx>
>
> ---
>
> drivers/dma/mxs-dma.c | 11 ++++-------
> 1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
> index 994fc4d2aca4..b8a3e692330d 100644
> --- a/drivers/dma/mxs-dma.c
> +++ b/drivers/dma/mxs-dma.c
> @@ -670,7 +670,7 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,
> return mxs_chan->status;
> }
>
> -static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
> +static int mxs_dma_init(struct mxs_dma_engine *mxs_dma)
> {
> int ret;
>
> @@ -741,7 +741,7 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec,
> ofdma->of_node);
> }
>
> -static int __init mxs_dma_probe(struct platform_device *pdev)
> +static int mxs_dma_probe(struct platform_device *pdev)
> {
> struct device_node *np = pdev->dev.of_node;
> const struct mxs_dma_type *dma_type;
> @@ -839,10 +839,7 @@ static struct platform_driver mxs_dma_driver = {
> .name = "mxs-dma",
> .of_match_table = mxs_dma_dt_ids,
> },
> + .probe = mxs_dma_probe,
> };
>
> -static int __init mxs_dma_module_init(void)
> -{
> - return platform_driver_probe(&mxs_dma_driver, mxs_dma_probe);
> -}
> -subsys_initcall(mxs_dma_module_init);
> +module_platform_driver(mxs_dma_driver);
> --
> 2.32.0
>
<formletter>
This is not the correct way to submit patches for inclusion in the
stable kernel tree. Please read:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.
</formletter>
