linux-kernel - [PATCH 3.12 152/155] dmaengine: dw: append MODULE

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Message-Id: <91c4f68b70a1e23630720da47bb1408bd362b2a4.1428411004.git.jslaby@suse.cz>
Date:	Tue,  7 Apr 2015 14:52:01 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Vinod Koul <vinod.koul@...el.com>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 152/155] dmaengine: dw: append MODULE_ALIAS for platform driver

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit a104a45ba7a51b5b4c5e8437020d9d48edf22f89 upstream.

The commit 9cade1a46c77 (dma: dw: split driver to library part and platform
code) introduced a separate platform driver but missed to add a
MODULE_ALIAS("platform:dw_dmac"); to that module.

The patch adds this to get driver loaded automatically if platform device is
registered.

Reported-by: "Blin, Jerome" <jerome.blin@...el.com>
Fixes: 9cade1a46c77 (dma: dw: split driver to library part and platform code)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@...el.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/dma/dw/platform.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
index e35d97590311..df0c6b042557 100644
--- a/drivers/dma/dw/platform.c
+++ b/drivers/dma/dw/platform.c
@@ -48,6 +48,8 @@ static bool dw_dma_of_filter(struct dma_chan *chan, void *param)
 	return true;
 }
 
+#define DRV_NAME	"dw_dmac"
+
 static struct dma_chan *dw_dma_of_xlate(struct of_phandle_args *dma_spec,
 					struct of_dma *ofdma)
 {
@@ -295,7 +297,7 @@ static struct platform_driver dw_driver = {
 	.remove		= dw_remove,
 	.shutdown	= dw_shutdown,
 	.driver = {
-		.name	= "dw_dmac",
+		.name	= DRV_NAME,
 		.pm	= &dw_dev_pm_ops,
 		.of_match_table = of_match_ptr(dw_dma_of_id_table),
 		.acpi_match_table = ACPI_PTR(dw_dma_acpi_id_table),
@@ -316,3 +318,4 @@ module_exit(dw_exit);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller platform driver");
+MODULE_ALIAS("platform:" DRV_NAME);
-- 
2.3.4

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