linux-kernel - [PATCH] dma: jz4780: Make probe function __init_or

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Message-Id: <20190607160758.16794-1-paul@crapouillou.net>
Date:   Fri,  7 Jun 2019 18:07:58 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        od@...c.me, Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH] dma: jz4780: Make probe function __init_or_module

This allows the probe function to be dropped after the kernel finished
its initialization, in the case where the driver was not compiled as a
module.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 drivers/dma/dma-jz4780.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c
index 7204fdeff6c5..b2f7e6660ad6 100644
--- a/drivers/dma/dma-jz4780.c
+++ b/drivers/dma/dma-jz4780.c
@@ -815,7 +815,7 @@ static struct dma_chan *jz4780_of_dma_xlate(struct of_phandle_args *dma_spec,
 	}
 }
 
-static int jz4780_dma_probe(struct platform_device *pdev)
+static int __init_or_module jz4780_dma_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	const struct jz4780_dma_soc_data *soc_data;
@@ -966,7 +966,7 @@ static int jz4780_dma_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int jz4780_dma_remove(struct platform_device *pdev)
+static int __exit jz4780_dma_remove(struct platform_device *pdev)
 {
 	struct jz4780_dma_dev *jzdma = platform_get_drvdata(pdev);
 	int i;
-- 
2.21.0.593.g511ec345e18