diff options
| author | Andy Shevchenko | 2021-06-04 19:50:46 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki | 2021-06-07 14:43:41 +0200 |
| commit | 3d7c821c1d8071e517048c8b4afdf33109441c0f (patch) | |
| tree | 503eaae0f56b5d4031a7215c133438f56686a35c | |
| parent | 5c1a72a0fbe1b02c3ce0537f85f92ea935e0beec (diff) | |
ACPI: scan: Constify acpi_dma_supported() helper function
Constify arguments to acpi_dma_supported(). The function doesn't need
to change the content of the passed argument and when it's const it
allows to supply the result of other functions that may return a pointer
to a constant object.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/scan.c | 2 | ||||
| -rw-r--r-- | include/acpi/acpi_bus.h | 2 | ||||
| -rw-r--r-- | include/linux/acpi.h | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index a22778e880c2..609405ca11e2 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1404,7 +1404,7 @@ void acpi_free_pnp_ids(struct acpi_device_pnp *pnp) * * Return false if DMA is not supported. Otherwise, return true */ -bool acpi_dma_supported(struct acpi_device *adev) +bool acpi_dma_supported(const struct acpi_device *adev) { if (!adev) return false; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 3a82faac5767..2fbd2c2e0568 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -586,7 +586,7 @@ struct acpi_pci_root { /* helper */ -bool acpi_dma_supported(struct acpi_device *adev); +bool acpi_dma_supported(const struct acpi_device *adev); enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev); int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset, u64 *size); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 40657f220f8b..97f1c5588b5a 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -911,7 +911,7 @@ acpi_create_platform_device(struct acpi_device *adev, return NULL; } -static inline bool acpi_dma_supported(struct acpi_device *adev) +static inline bool acpi_dma_supported(const struct acpi_device *adev) { return false; } |