This is a note to let you know that I've just added the patch titled
dmaengine: dw: append MODULE_ALIAS for platform driver
to the 3.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
dmaengine-dw-append-module_alias-for-platform-driver.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a104a45ba7a51b5b4c5e8437020d9d48edf22f89 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Mon, 9 Mar 2015 12:16:42 +0200
Subject: dmaengine: dw: append MODULE_ALIAS for platform driver
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
registered.
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
@@ -26,6 +26,8 @@
#include "internal.h"
+#define DRV_NAME "dw_dmac"
+
static struct dma_chan *dw_dma_of_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma)
{
@@ -284,7 +286,7 @@ 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),
@@ -305,3 +307,4 @@ module_exit(dw_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller platform driver");
+MODULE_ALIAS("platform:" DRV_NAME);
Patches currently in stable-queue which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are
queue-3.19/spi-dw-mid-clear-busy-flag-fist-and-test-other-one.patch
queue-3.19/dmaengine-dw-append-module_alias-for-platform-driver.patch
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