Re: [PATCH] drm: amdgpu: mark symbols static where possible

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Am 03.09.2016 um 07:57 schrieb Baoyou Xie:
We get a few warnings when building kernel with W=1:
drivers/gpu/drm/amd/amdgpu/cz_smc.c:51:5: warning: no previous prototype for 'cz_send_msg_to_smc_async' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/cz_smc.c:143:5: warning: no previous prototype for 'cz_write_smc_sram_dword' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/iceland_smc.c:124:6: warning: no previous prototype for 'iceland_start_smc' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c:3926:6: warning: no previous prototype for 'gfx_v8_0_rlc_stop' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c:94:6: warning: no previous prototype for 'amdgpu_job_free_cb' [-Wmissing-prototypes]
....

In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
So this patch marks these functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>.

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c  | 4 ++--
  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c   | 2 +-
  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c  | 2 +-
  drivers/gpu/drm/amd/amdgpu/cz_smc.c      | 4 ++--
  drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c    | 2 +-
  drivers/gpu/drm/amd/amdgpu/iceland_smc.c | 8 ++++----
  6 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index bc0440f..a831218 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -616,7 +616,7 @@ static int amdgpu_cgs_irq_put(struct cgs_device *cgs_device, unsigned src_id, un
  	return amdgpu_irq_put(adev, adev->irq.sources[src_id], type);
  }
-int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
+static int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
  				  enum amd_ip_block_type block_type,
  				  enum amd_clockgating_state state)
  {
@@ -637,7 +637,7 @@ int amdgpu_cgs_set_clockgating_state(struct cgs_device *cgs_device,
  	return r;
  }
-int amdgpu_cgs_set_powergating_state(struct cgs_device *cgs_device,
+static int amdgpu_cgs_set_powergating_state(struct cgs_device *cgs_device,
  				  enum amd_ip_block_type block_type,
  				  enum amd_powergating_state state)
  {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 0307ff5..f65bdaf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -287,7 +287,7 @@ static u64 amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev)
  	return max(bytes_moved_threshold, 1024*1024ull);
  }
-int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
+static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
  			    struct list_head *validated)
  {
  	struct amdgpu_bo_list_entry *lobj;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 6674d40..31bfe3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -91,7 +91,7 @@ void amdgpu_job_free_resources(struct amdgpu_job *job)
  		amdgpu_ib_free(job->adev, &job->ibs[i], f);
  }
-void amdgpu_job_free_cb(struct amd_sched_job *s_job)
+static void amdgpu_job_free_cb(struct amd_sched_job *s_job)
  {
  	struct amdgpu_job *job = container_of(s_job, struct amdgpu_job, base);
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_smc.c b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
index ac7fee7..c80c2e9 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
@@ -48,7 +48,7 @@ static struct cz_smu_private_data *cz_smu_get_priv(struct amdgpu_device *adev)
  	return priv;
  }
-int cz_send_msg_to_smc_async(struct amdgpu_device *adev, u16 msg)
+static int cz_send_msg_to_smc_async(struct amdgpu_device *adev, u16 msg)
  {
  	int i;
  	u32 content = 0, tmp;
@@ -140,7 +140,7 @@ int cz_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
  	return 0;
  }
-int cz_write_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
+static int cz_write_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
  						u32 value, u32 limit)
  {
  	int ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index bff8668..6997f7c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -3923,7 +3923,7 @@ static void gfx_v8_0_init_pg(struct amdgpu_device *adev)
  	}
  }
-void gfx_v8_0_rlc_stop(struct amdgpu_device *adev)
+static void gfx_v8_0_rlc_stop(struct amdgpu_device *adev)
  {
  	u32 tmp = RREG32(mmRLC_CNTL);
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
index 2118399..ef7c27d 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
@@ -121,7 +121,7 @@ out:
  	return result;
  }
-void iceland_start_smc(struct amdgpu_device *adev)
+static void iceland_start_smc(struct amdgpu_device *adev)
  {
  	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
@@ -129,7 +129,7 @@ void iceland_start_smc(struct amdgpu_device *adev)
  	WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, val);
  }
-void iceland_reset_smc(struct amdgpu_device *adev)
+static void iceland_reset_smc(struct amdgpu_device *adev)
  {
  	uint32_t val = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL);
@@ -145,7 +145,7 @@ static int iceland_program_jump_on_start(struct amdgpu_device *adev)
  	return 0;
  }
-void iceland_stop_smc_clock(struct amdgpu_device *adev)
+static void iceland_stop_smc_clock(struct amdgpu_device *adev)
  {
  	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
@@ -153,7 +153,7 @@ void iceland_stop_smc_clock(struct amdgpu_device *adev)
  	WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, val);
  }
-void iceland_start_smc_clock(struct amdgpu_device *adev)
+static void iceland_start_smc_clock(struct amdgpu_device *adev)
  {
  	uint32_t val = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);


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