linux-kernel - [PATCH] dmaengine: at_xdmac: use module_platform

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Date:   Fri, 25 Jun 2021 11:00:42 +0200
From:   Clément Léger <clement.leger@...tlin.com>
To:     Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Clément Léger <clement.leger@...tlin.com>,
        linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] dmaengine: at_xdmac: use module_platform_driver

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@...tlin.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);
 
 MODULE_DESCRIPTION("Atmel Extended DMA Controller driver");
 MODULE_AUTHOR("Ludovic Desroches <ludovic.desroches@...el.com>");
-- 
2.32.0