The assignment will be overwritten by the later, but the variable is not used. The clang_analyzer complains as follows: drivers/gpu/drm/i915/display/intel_dpll.c:1568:2 warning: Value stored to 'dpio_val' is never read Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: luo penghao <luo.penghao@xxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dpll.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c index 28b1616..cb77d7f 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.c +++ b/drivers/gpu/drm/i915/display/intel_dpll.c @@ -1653,7 +1653,6 @@ static void chv_prepare_pll(const struct intel_crtc_state *crtc_state) bestp1 = crtc_state->dpll.p1; bestp2 = crtc_state->dpll.p2; vco = crtc_state->dpll.vco; - dpio_val = 0; loopfilter = 0; vlv_dpio_get(dev_priv); -- 2.15.2
