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authorDan Williams <dan.j.williams@intel.com>2023-06-15 04:29:41 +0300
committerDan Williams <dan.j.williams@intel.com>2023-06-26 00:31:08 +0300
commit688baac1097d30a51d6469efdc8707fdac80eab6 (patch)
tree5dac3393840e97ad38f0312e4639f65e80a81e95 /drivers/cxl/core
parent9561de3a55bed6bdd44a12820ba81ec416e705a7 (diff)
downloadlinux-688baac1097d30a51d6469efdc8707fdac80eab6.tar.xz
cxl/regs: Clarify when a 'struct cxl_register_map' is input vs output
The @map parameter to cxl_probe_X_registers() is filled in with the mapping parameters of the register block. The @map parameter to cxl_map_X_registers() only reads that information to perform the mapping. Mark @map const for cxl_map_X_registers() to clarify that it is only an input to those helpers. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/168679258103.3436160.4941603739448763855.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/core')
-rw-r--r--drivers/cxl/core/regs.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/cxl/core/regs.c b/drivers/cxl/core/regs.c
index 1476a0299c9b..52d1dbeda527 100644
--- a/drivers/cxl/core/regs.c
+++ b/drivers/cxl/core/regs.c
@@ -200,10 +200,10 @@ void __iomem *devm_cxl_iomap_block(struct device *dev, resource_size_t addr,
}
int cxl_map_component_regs(struct device *dev, struct cxl_component_regs *regs,
- struct cxl_register_map *map, unsigned long map_mask)
+ const struct cxl_register_map *map, unsigned long map_mask)
{
struct mapinfo {
- struct cxl_reg_map *rmap;
+ const struct cxl_reg_map *rmap;
void __iomem **addr;
} mapinfo[] = {
{ &map->component_map.hdm_decoder, &regs->hdm_decoder },
@@ -233,11 +233,11 @@ EXPORT_SYMBOL_NS_GPL(cxl_map_component_regs, CXL);
int cxl_map_device_regs(struct device *dev,
struct cxl_device_regs *regs,
- struct cxl_register_map *map)
+ const struct cxl_register_map *map)
{
resource_size_t phys_addr = map->resource;
struct mapinfo {
- struct cxl_reg_map *rmap;
+ const struct cxl_reg_map *rmap;
void __iomem **addr;
} mapinfo[] = {
{ &map->device_map.status, &regs->status, },