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amba: Stop sharing platform_dma_configure()

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Stop sharing platform_dma_configure() helper as they are about to have
their own bus dma_configure callbacks.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20220418005000.897664-4-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Lu Baolu 2022-04-18 08:49:52 +08:00 committed by Joerg Roedel
parent 25f3bcfc54
commit 4a6d9dd564
3 changed files with 19 additions and 5 deletions
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19
drivers/amba/bus.c
View file

@ -20,6 +20,8 @@
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/of_irq.h>
#include <linux/of_device.h>
#include <linux/acpi.h>
#define to_amba_driver(d) container_of(d, struct amba_driver, drv)
@ -273,6 +275,21 @@ static void amba_shutdown(struct device *dev)
drv->shutdown(to_amba_device(dev));
}
static int amba_dma_configure(struct device *dev)
{
enum dev_dma_attr attr;
int ret = 0;
if (dev->of_node) {
ret = of_dma_configure(dev, dev->of_node, true);
} else if (has_acpi_companion(dev)) {
attr = acpi_get_dma_attr(to_acpi_device_node(dev->fwnode));
ret = acpi_dma_configure(dev, attr);
}
return ret;
}
#ifdef CONFIG_PM
/*
* Hooks to provide runtime PM of the pclk (bus clock). It is safe to
@ -341,7 +358,7 @@ struct bus_type amba_bustype = {
.probe = amba_probe,
.remove = amba_remove,
.shutdown = amba_shutdown,
.dma_configure = platform_dma_configure,
.dma_configure = amba_dma_configure,
.pm = &amba_pm,
};
EXPORT_SYMBOL_GPL(amba_bustype);

3
drivers/base/platform.c
View file

@ -1454,8 +1454,7 @@ static void platform_shutdown(struct device *_dev)
drv->shutdown(dev);
}
int platform_dma_configure(struct device *dev)
static int platform_dma_configure(struct device *dev)
{
enum dev_dma_attr attr;
int ret = 0;

2
include/linux/platform_device.h
View file

@ -328,8 +328,6 @@ extern int platform_pm_restore(struct device *dev);
#define platform_pm_restore NULL
#endif
extern int platform_dma_configure(struct device *dev);
#ifdef CONFIG_PM_SLEEP
#define USE_PLATFORM_PM_SLEEP_OPS \
.suspend = platform_pm_suspend, \