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Merge "firmware: qcom_scm: Remove unused qcom_scm_get_version"

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qctecmdr 2019-11-16 01:46:21 -08:00 • committed by Gerrit - the friendly Code Review server
commit dc9a5781ad
2 changed files with 0 additions and 38 deletions
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36
drivers/firmware/qcom_scm-32.c
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@ -295,42 +295,6 @@ static s32 qcom_scm_call_atomic2(u32 svc, u32 cmd, u32 arg1, u32 arg2)
return r0;
}
u32 qcom_scm_get_version(void)
{
int context_id;
static u32 version = -1;
register u32 r0 asm("r0");
register u32 r1 asm("r1");
if (version != -1)
return version;
mutex_lock(&qcom_scm_lock);
r0 = 0x1 << 8;
r1 = (u32)&context_id;
do {
asm volatile(
__asmeq("%0", "r0")
__asmeq("%1", "r1")
__asmeq("%2", "r0")
__asmeq("%3", "r1")
#ifdef REQUIRES_SEC
".arch_extension sec\n"
#endif
"smc #0 @ switch to secure world\n"
: "=r" (r0), "=r" (r1)
: "r" (r0), "r" (r1)
: "r2", "r3", "r12");
} while (r0 == QCOM_SCM_INTERRUPTED);
version = r1;
mutex_unlock(&qcom_scm_lock);
return version;
}
EXPORT_SYMBOL(qcom_scm_get_version);
/**
* qcom_scm_set_cold_boot_addr() - Set the cold boot address for cpus
* @entry: Entry point function for the cpus

2
include/linux/qcom_scm.h
View file

@ -59,7 +59,6 @@ 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_qsmmu500_wait_safe_toggle(bool en);
extern u32 qcom_scm_get_version(void);
extern bool qcom_scm_is_available(void);
#else
@ -101,7 +100,6 @@ static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp) { return -ENODEV; }
static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
{ return -ENODEV; }
static inline u32 qcom_scm_get_version(void) { return 0; }
static inline bool qcom_scm_is_available(void) { return false; }
#endif
#endif