korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 04:18:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

interconnect: constify of_phandle_args in xlate

Browse Source 
The xlate callbacks are supposed to translate of_phandle_args to proper
provider without modifying the of_phandle_args.  Make the argument
pointer to const for code safety and readability.

Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com> # Tegra
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alim Akhtar <alim.akhtar@samsung.com> # Samsung
Link: https://lore.kernel.org/r/20240220072213.35779-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-02-20 08:22:13 +01:00 committed by Georgi Djakov
parent 64eec95820
commit 0dc5b8abfa
14 changed files with 25 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/interconnect/core.c
View File

@ -343,7 +343,7 @@ EXPORT_SYMBOL_GPL(icc_std_aggregate);
* an array of icc nodes specified in the icc_onecell_data struct when
* registering the provider.
*/
struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec,
struct icc_node *of_icc_xlate_onecell(const struct of_phandle_args *spec,
void *data)
{
struct icc_onecell_data *icc_data = data;
@ -368,7 +368,7 @@ EXPORT_SYMBOL_GPL(of_icc_xlate_onecell);
* Returns a valid pointer to struct icc_node_data on success or ERR_PTR()
* on failure.
*/
struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
struct icc_node_data *of_icc_get_from_provider(const struct of_phandle_args *spec)
{
struct icc_node *node = ERR_PTR(-EPROBE_DEFER);
struct icc_node_data *data = NULL;

3
drivers/interconnect/qcom/icc-common.c
View File

@ -9,7 +9,8 @@
#include "icc-common.h"
struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data)
struct icc_node_data *qcom_icc_xlate_extended(const struct of_phandle_args *spec,
void *data)
{
struct icc_node_data *ndata;
struct icc_node *node;

3
drivers/interconnect/qcom/icc-common.h
View File

@ -8,6 +8,7 @@
#include <linux/interconnect-provider.h>
struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data);
struct icc_node_data *qcom_icc_xlate_extended(const struct of_phandle_args *spec,
void *data);
#endif

2
drivers/interconnect/samsung/exynos.c
View File

@ -82,7 +82,7 @@ static int exynos_generic_icc_set(struct icc_node *src, struct icc_node *dst)
return 0;
}
static struct icc_node *exynos_generic_icc_xlate(struct of_phandle_args *spec,
static struct icc_node *exynos_generic_icc_xlate(const struct of_phandle_args *spec,
void *data)
{
struct exynos_icc_priv *priv = data;

2
drivers/memory/tegra/mc.c
View File

@ -755,7 +755,7 @@ const char *const tegra_mc_error_names[8] = {
[6] = "SMMU translation error",
};
struct icc_node *tegra_mc_icc_xlate(struct of_phandle_args *spec, void *data)
struct icc_node *tegra_mc_icc_xlate(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
struct icc_node *node;

2
drivers/memory/tegra/tegra124-emc.c
View File

@ -1285,7 +1285,7 @@ to_tegra_emc_provider(struct icc_provider *provider)
}
static struct icc_node_data *
emc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
emc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node_data *ndata;

2
drivers/memory/tegra/tegra124.c
View File

@ -1170,7 +1170,7 @@ static int tegra124_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
}
static struct icc_node_data *
tegra124_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
tegra124_mc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
const struct tegra_mc_client *client;

2
drivers/memory/tegra/tegra186-emc.c
View File

@ -236,7 +236,7 @@ static int tegra_emc_icc_set_bw(struct icc_node *src, struct icc_node *dst)
}
static struct icc_node *
tegra_emc_of_icc_xlate(struct of_phandle_args *spec, void *data)
tegra_emc_of_icc_xlate(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node *node;

2
drivers/memory/tegra/tegra20-emc.c
View File

@ -950,7 +950,7 @@ to_tegra_emc_provider(struct icc_provider *provider)
}
static struct icc_node_data *
emc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
emc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node_data *ndata;

2
drivers/memory/tegra/tegra20.c
View File

@ -390,7 +390,7 @@ static int tegra20_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
}
static struct icc_node_data *
tegra20_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
tegra20_mc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
unsigned int i, idx = spec->args[0];

2
drivers/memory/tegra/tegra30-emc.c
View File

@ -1468,7 +1468,7 @@ to_tegra_emc_provider(struct icc_provider *provider)
}
static struct icc_node_data *
emc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
emc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct icc_provider *provider = data;
struct icc_node_data *ndata;

2
drivers/memory/tegra/tegra30.c
View File

@ -1332,7 +1332,7 @@ static int tegra30_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
}
static struct icc_node_data *
tegra30_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
tegra30_mc_of_icc_xlate_extended(const struct of_phandle_args *spec, void *data)
{
struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
const struct tegra_mc_client *client;

11
include/linux/interconnect-provider.h
View File

@ -36,7 +36,7 @@ struct icc_onecell_data {
struct icc_node *nodes[] __counted_by(num_nodes);
};
struct icc_node *of_icc_xlate_onecell(struct of_phandle_args *spec,
struct icc_node *of_icc_xlate_onecell(const struct of_phandle_args *spec,
void *data);
/**
@ -65,8 +65,9 @@ struct icc_provider {
u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
void (*pre_aggregate)(struct icc_node *node);
int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak);
struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data);
struct icc_node_data* (*xlate_extended)(struct of_phandle_args *spec, void *data);
struct icc_node* (*xlate)(const struct of_phandle_args *spec, void *data);
struct icc_node_data* (*xlate_extended)(const struct of_phandle_args *spec,
void *data);
struct device *dev;
int users;
bool inter_set;
@ -124,7 +125,7 @@ int icc_nodes_remove(struct icc_provider *provider);
void icc_provider_init(struct icc_provider *provider);
int icc_provider_register(struct icc_provider *provider);
void icc_provider_deregister(struct icc_provider *provider);
struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec);
struct icc_node_data *of_icc_get_from_provider(const struct of_phandle_args *spec);
void icc_sync_state(struct device *dev);
#else
@ -171,7 +172,7 @@ static inline int icc_provider_register(struct icc_provider *provider)
static inline void icc_provider_deregister(struct icc_provider *provider) { }
static inline struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec)
static inline struct icc_node_data *of_icc_get_from_provider(const struct of_phandle_args *spec)
{
return ERR_PTR(-ENOTSUPP);
}

7
include/soc/tegra/mc.h
View File

@ -146,13 +146,14 @@ struct tegra_mc_icc_ops {
int (*set)(struct icc_node *src, struct icc_node *dst);
int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw,
u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
struct icc_node* (*xlate)(struct of_phandle_args *spec, void *data);
struct icc_node_data *(*xlate_extended)(struct of_phandle_args *spec,
struct icc_node* (*xlate)(const struct of_phandle_args *spec, void *data);
struct icc_node_data *(*xlate_extended)(const struct of_phandle_args *spec,
void *data);
int (*get_bw)(struct icc_node *node, u32 *avg, u32 *peak);
};
struct icc_node *tegra_mc_icc_xlate(struct of_phandle_args *spec, void *data);
struct icc_node *tegra_mc_icc_xlate(const struct of_phandle_args *spec,
void *data);
extern const struct tegra_mc_icc_ops tegra_mc_icc_ops;
struct tegra_mc_ops {