[PATCH] gpu: drm: radeon: ci_smc: Remove unused function

[Rickard Strandqvist]

Remove the function ci_wait_for_smc_inactive() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist at spectrumdigital.se>
---
 drivers/gpu/drm/radeon/ci_dpm.h |    1 -
 drivers/gpu/drm/radeon/ci_smc.c |   18 ------------------
 2 files changed, 19 deletions(-)

diff --git a/drivers/gpu/drm/radeon/ci_dpm.h b/drivers/gpu/drm/radeon/ci_dpm.h
index 93bbed9..596d17e 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.h
+++ b/drivers/gpu/drm/radeon/ci_dpm.h
@@ -322,7 +322,6 @@ void ci_stop_smc_clock(struct radeon_device *rdev);
 void ci_start_smc_clock(struct radeon_device *rdev);
 bool ci_is_smc_running(struct radeon_device *rdev);
 PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
-PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev);
 int ci_load_smc_ucode(struct radeon_device *rdev, u32 limit);
 int ci_read_smc_sram_dword(struct radeon_device *rdev,
 			   u32 smc_address, u32 *value, u32 limit);
diff --git a/drivers/gpu/drm/radeon/ci_smc.c b/drivers/gpu/drm/radeon/ci_smc.c
index b630edc..4f78b8c 100644
--- a/drivers/gpu/drm/radeon/ci_smc.c
+++ b/drivers/gpu/drm/radeon/ci_smc.c
@@ -184,24 +184,6 @@ PPSMC_Result ci_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg)
 	return (PPSMC_Result)tmp;
 }
 
-PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev)
-{
-	u32 tmp;
-	int i;
-
-	if (!ci_is_smc_running(rdev))
-		return PPSMC_Result_OK;
-
-	for (i = 0; i < rdev->usec_timeout; i++) {
-                tmp = RREG32_SMC(SMC_SYSCON_CLOCK_CNTL_0);
-                if ((tmp & CKEN) == 0)
-			break;
-                udelay(1);
-        }
-
-	return PPSMC_Result_OK;
-}
-
 int ci_load_smc_ucode(struct radeon_device *rdev, u32 limit)
 {
 	unsigned long flags;
-- 
1.7.10.4