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dmaengine: idma64: Move driver name to the header

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There are two drivers that are relying on the iDMA 64-bit driver name
to match. Instead of duplicating string in both of them, dedicate
a header file and share it between users.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Andy Shevchenko 2019-04-09 18:02:19 +03:00 committed by Vinod Koul
parent c7266d26dc
commit ffcfc20f74
3 changed files with 20 additions and 7 deletions
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9
drivers/dma/idma64.c
View File

@ -19,10 +19,9 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include "idma64.h"
#include <linux/dma/idma64.h>
/* Platform driver name */
#define DRV_NAME "idma64"
#include "idma64.h"
/* For now we support only two channels */
#define IDMA64_NR_CHAN 2
@ -699,7 +698,7 @@ static struct platform_driver idma64_platform_driver = {
.probe = idma64_platform_probe,
.remove = idma64_platform_remove,
.driver = {
.name = DRV_NAME,
.name = LPSS_IDMA64_DRIVER_NAME,
.pm = &idma64_dev_pm_ops,
},
};
@ -709,4 +708,4 @@ module_platform_driver(idma64_platform_driver);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("iDMA64 core driver");
MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
MODULE_ALIAS("platform:" DRV_NAME);
MODULE_ALIAS("platform:" LPSS_IDMA64_DRIVER_NAME);

4
drivers/mfd/intel-lpss.c
View File

@ -28,6 +28,8 @@
#include <linux/seq_file.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/dma/idma64.h>
#include "intel-lpss.h"
#define LPSS_DEV_OFFSET 0x000
@ -96,8 +98,6 @@ static const struct resource intel_lpss_idma64_resources[] = {
DEFINE_RES_IRQ(0),
};
#define LPSS_IDMA64_DRIVER_NAME "idma64"
/*
* Cells needs to be ordered so that the iDMA is created first. This is
* because we need to be sure the DMA is available when the host controller

14
include/linux/dma/idma64.h Normal file
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@ -0,0 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Definitions for the Intel integrated DMA 64-bit
*
* Copyright (C) 2019 Intel Corporation
*/
#ifndef __LINUX_DMA_IDMA64_H__
#define __LINUX_DMA_IDMA64_H__
/* Platform driver name */
#define LPSS_IDMA64_DRIVER_NAME "idma64"
#endif /* __LINUX_DMA_IDMA64_H__ */