[PATCH 3.14 28/38] dmaengine: dw: append MODULE_ALIAS for platform driver

From: Greg Kroah-Hartman
Date: Fri Apr 10 2015 - 09:23:37 EST

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


From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

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

Reported-by: "Blin, Jerome" <jerome.blin@xxxxxxxxx>
Fixes: 9cade1a46c77 (dma: dw: split driver to library part and platform code)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/dma/dw/platform.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/dma/dw/platform.c
+++ b/drivers/dma/dw/platform.c
@@ -48,6 +48,8 @@ static bool dw_dma_of_filter(struct dma_
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)
@@ -293,7 +295,7 @@ 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),
@@ -314,3 +316,4 @@ module_exit(dw_exit);

MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller platform driver");
+MODULE_ALIAS("platform:" DRV_NAME);

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