[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: introduce macros to define register contents
Patchwork
patchwork at emeril.freedesktop.org
Wed Oct 3 16:13:59 UTC 2018
== Series Details ==
Series: drm/i915: introduce macros to define register contents
URL : https://patchwork.freedesktop.org/series/50513/
State : warning
== Summary ==
$ dim checkpatch origin/drm-tip
fa2aca822675 drm/i915: introduce REG_BIT() and REG_FIELD_MASK() to define register contents
9d10556d888e drm/i915: deprecate _SHIFT in favor of FIELD_GET() and _MASK
e48993ff2850 drm/i915: introduce REG_FIELD() to define register field values
-:60: CHECK:MACRO_ARG_REUSE: Macro argument reuse '_mask' - possible side-effects?
#60: FILE: drivers/gpu/drm/i915/i915_reg.h:135:
+#define REG_FIELD(_mask, _val) \
+ (((typeof(_mask))(_val) << __bf_shf(_mask)) & (_mask))
total: 0 errors, 0 warnings, 1 checks, 94 lines checked
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