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SubjectRe: [PATCH] dmaengine: at_xdmac: use module_platform_driver
On 25-06-21, 11:00, Clément Léger wrote:
> The driver was previously probed with platform_driver_probe. This does
> not allow the driver to be probed again later if probe function
> returns -EPROBE_DEFER. This patch replace the use of
> platform_driver_probe with module_platform_driver which allows that.
>
> Signed-off-by: Clément Léger <clement.leger@bootlin.com>
> ---
> drivers/dma/at_xdmac.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
> index 64a52bf4d737..109a4c0895f4 100644
> --- a/drivers/dma/at_xdmac.c
> +++ b/drivers/dma/at_xdmac.c
> @@ -2238,11 +2238,7 @@ static struct platform_driver at_xdmac_driver = {
> }
> };
>
> -static int __init at_xdmac_init(void)
> -{
> - return platform_driver_probe(&at_xdmac_driver, at_xdmac_probe);
> -}
> -subsys_initcall(at_xdmac_init);
> +module_platform_driver(at_xdmac_driver);

You are also changing the init call here, there is a reason why
dmaengine drivers are subsys_initcall.. have you tested this?

--
~Vinod

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