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firmware: qcom-scm: drop unneeded 'extern' specifiers
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The 'extern' specifier in front of a function declaration has no effect.
Remove all of them from the qcom-scm header.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230913192826.36187-1-bartosz.golaszewski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Bartosz Golaszewski authored and Bjorn Andersson committed Sep 14, 2023
1 parent e9104e7 commit 2758ac3
Showing 1 changed file with 47 additions and 54 deletions.
101 changes: 47 additions & 54 deletions include/linux/firmware/qcom/qcom_scm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -59,68 +59,61 @@ enum qcom_scm_ice_cipher {
#define QCOM_SCM_PERM_RW (QCOM_SCM_PERM_READ | QCOM_SCM_PERM_WRITE)
#define QCOM_SCM_PERM_RWX (QCOM_SCM_PERM_RW | QCOM_SCM_PERM_EXEC)

extern bool qcom_scm_is_available(void);
bool qcom_scm_is_available(void);

extern int qcom_scm_set_cold_boot_addr(void *entry);
extern int qcom_scm_set_warm_boot_addr(void *entry);
extern void qcom_scm_cpu_power_down(u32 flags);
extern int qcom_scm_set_remote_state(u32 state, u32 id);
int qcom_scm_set_cold_boot_addr(void *entry);
int qcom_scm_set_warm_boot_addr(void *entry);
void qcom_scm_cpu_power_down(u32 flags);
int qcom_scm_set_remote_state(u32 state, u32 id);

struct qcom_scm_pas_metadata {
void *ptr;
dma_addr_t phys;
ssize_t size;
};

extern int qcom_scm_pas_init_image(u32 peripheral, const void *metadata,
size_t size,
struct qcom_scm_pas_metadata *ctx);
extern void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx);
extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr,
phys_addr_t size);
extern int qcom_scm_pas_auth_and_reset(u32 peripheral);
extern int qcom_scm_pas_shutdown(u32 peripheral);
extern bool qcom_scm_pas_supported(u32 peripheral);

extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val);
extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);

extern bool qcom_scm_restore_sec_cfg_available(void);
extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare);
extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size);
extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare);
extern int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size);
extern int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size,
u32 cp_nonpixel_start,
u32 cp_nonpixel_size);
extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
u64 *src,
const struct qcom_scm_vmperm *newvm,
unsigned int dest_cnt);

extern bool qcom_scm_ocmem_lock_available(void);
extern int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset,
u32 size, u32 mode);
extern int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset,
u32 size);

extern bool qcom_scm_ice_available(void);
extern int qcom_scm_ice_invalidate_key(u32 index);
extern int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size,
enum qcom_scm_ice_cipher cipher,
u32 data_unit_size);

extern bool qcom_scm_hdcp_available(void);
extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp);

extern int qcom_scm_iommu_set_pt_format(u32 sec_id, u32 ctx_num, u32 pt_fmt);
extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en);

extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
u64 limit_node, u32 node_id, u64 version);
extern int qcom_scm_lmh_profile_change(u32 profile_id);
extern bool qcom_scm_lmh_dcvsh_available(void);
int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size,
struct qcom_scm_pas_metadata *ctx);
void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx);
int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, phys_addr_t size);
int qcom_scm_pas_auth_and_reset(u32 peripheral);
int qcom_scm_pas_shutdown(u32 peripheral);
bool qcom_scm_pas_supported(u32 peripheral);

int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val);
int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);

bool qcom_scm_restore_sec_cfg_available(void);
int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare);
int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size);
int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare);
int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size);
int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size,
u32 cp_nonpixel_start, u32 cp_nonpixel_size);
int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, u64 *src,
const struct qcom_scm_vmperm *newvm,
unsigned int dest_cnt);

bool qcom_scm_ocmem_lock_available(void);
int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset, u32 size,
u32 mode);
int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset, u32 size);

bool qcom_scm_ice_available(void);
int qcom_scm_ice_invalidate_key(u32 index);
int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size,
enum qcom_scm_ice_cipher cipher, u32 data_unit_size);

bool qcom_scm_hdcp_available(void);
int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp);

int qcom_scm_iommu_set_pt_format(u32 sec_id, u32 ctx_num, u32 pt_fmt);
int qcom_scm_qsmmu500_wait_safe_toggle(bool en);

int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
u64 limit_node, u32 node_id, u64 version);
int qcom_scm_lmh_profile_change(u32 profile_id);
bool qcom_scm_lmh_dcvsh_available(void);

#ifdef CONFIG_QCOM_QSEECOM

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