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logic_pio: Constify fwnode_handle

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The fwnode_handle passed into find_io_range_by_fwnode() and
logic_pio_trans_hwaddr() are not modified, so make them const.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241010-dt-const-v1-2-87a51f558425@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Rob Herring (Arm) 2024-10-10 11:27:15 -05:00
parent 1d31c6fc86
commit 6ba55951e7
2 changed files with 5 additions and 5 deletions
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6
include/linux/logic_pio.h
View File

@ -17,7 +17,7 @@ enum {
struct logic_pio_hwaddr {
struct list_head list;
struct fwnode_handle *fwnode;
const struct fwnode_handle *fwnode;
resource_size_t hw_start;
resource_size_t io_start;
resource_size_t size; /* range size populated */
@ -110,8 +110,8 @@ void logic_outsl(unsigned long addr, const void *buffer, unsigned int count);
#endif /* CONFIG_INDIRECT_PIO */
#define MMIO_UPPER_LIMIT (IO_SPACE_LIMIT - PIO_INDIRECT_SIZE)
struct logic_pio_hwaddr *find_io_range_by_fwnode(struct fwnode_handle *fwnode);
unsigned long logic_pio_trans_hwaddr(struct fwnode_handle *fwnode,
struct logic_pio_hwaddr *find_io_range_by_fwnode(const struct fwnode_handle *fwnode);
unsigned long logic_pio_trans_hwaddr(const struct fwnode_handle *fwnode,
resource_size_t hw_addr, resource_size_t size);
int logic_pio_register_range(struct logic_pio_hwaddr *newrange);
void logic_pio_unregister_range(struct logic_pio_hwaddr *range);

4
lib/logic_pio.c
View File

@ -122,7 +122,7 @@ void logic_pio_unregister_range(struct logic_pio_hwaddr *range)
*
* Traverse the io_range_list to find the registered node for @fwnode.
*/
struct logic_pio_hwaddr *find_io_range_by_fwnode(struct fwnode_handle *fwnode)
struct logic_pio_hwaddr *find_io_range_by_fwnode(const struct fwnode_handle *fwnode)
{
struct logic_pio_hwaddr *range, *found_range = NULL;
@ -186,7 +186,7 @@ resource_size_t logic_pio_to_hwaddr(unsigned long pio)
*
* Returns Logical PIO value if successful, ~0UL otherwise
*/
unsigned long logic_pio_trans_hwaddr(struct fwnode_handle *fwnode,
unsigned long logic_pio_trans_hwaddr(const struct fwnode_handle *fwnode,
resource_size_t addr, resource_size_t size)
{
struct logic_pio_hwaddr *range;