diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2022-04-18 03:49:52 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2022-04-28 16:32:20 +0300 |
| commit | 4a6d9dd564d0e7339fc15ecc5ce66db4ad842be2 (patch) | |
| tree | 3a0c6fca984655178ce345bbd65049fb1b7284ae | |
| parent | 25f3bcfc54bcf7b0e45d140ec8bfbbf10ba11869 (diff) | |
| download | linux-4a6d9dd564d0e7339fc15ecc5ce66db4ad842be2.tar.xz | |
amba: Stop sharing platform_dma_configure()
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>
| -rw-r--r-- | drivers/amba/bus.c | 19 | ||||
| -rw-r--r-- | drivers/base/platform.c | 3 | ||||
| -rw-r--r-- | include/linux/platform_device.h | 2 |
3 files changed, 19 insertions, 5 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index d3bd14aaabf6..76b52bd2c2a4 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -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); diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 8cc272fd5c99..d7915734d931 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -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; diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 7c96f169d274..17fde717df68 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -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, \ |