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SubjectRe: [PATCH] clk: qcom: Fix -Wunused-const-variable
On Tue, Jun 11, 2019 at 02:11:34PM -0700, Nathan Huckleberry wrote:
> Clang produces the following warning
>
> drivers/clk/qcom/gcc-msm8996.c:133:32: warning: unused variable
> 'gcc_xo_gpll0_gpll2_gpll3_gpll0_early_div_map' [-Wunused-const-variable]
> static const struct
> parent_map gcc_xo_gpll0_gpll2_gpll3_gpll0_early_div_map[] =
> { ^drivers/clk/qcom/gcc-msm8996.c:141:27: warning: unused variable
> 'gcc_xo_gpll0_gpll2_gpll3_gpll0_early_div' [-Wunused-const-variable] static
> const char * const gcc_xo_gpll0_gpll2_gpll3_gpll0_early_div[] = { ^
> drivers/clk/qcom/gcc-msm8996.c:187:32: warning: unused variable
> 'gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll4_gpll0_early_div_map'
> [-Wunused-const-variable] static const struct parent_map
> gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll4_gpll0_early_div_map[] = { ^
> drivers/clk/qcom/gcc-msm8996.c:197:27: warning: unused variable
> 'gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll4_gpll0_early_div'
> [-Wunused-const-variable] static const char * const
> gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll4_gpll0_early_div[] = {
>
> It looks like these were never used.
>
> Fixes: b1e010c0730a ("clk: qcom: Add MSM8996 Global Clock Control (GCC) driver")
> Cc: clang-built-linux@googlegroups.com
> Link: https://github.com/ClangBuiltLinux/linux/issues/518
> Suggested-by: Nathan Chancellor <natechancellor@gmail.com>
> Signed-off-by: Nathan Huckleberry <nhuck@google.com>

LGTM, this doesn't introduce any warnings/errors on arm32 or arm64 for
me.

Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>

> ---
> drivers/clk/qcom/gcc-msm8996.c | 36 ----------------------------------
> 1 file changed, 36 deletions(-)
>
> diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c
> index d2f39a972cad..d004cdaa0e39 100644
> --- a/drivers/clk/qcom/gcc-msm8996.c
> +++ b/drivers/clk/qcom/gcc-msm8996.c
> @@ -130,22 +130,6 @@ static const char * const gcc_xo_gpll0_gpll4_gpll0_early_div[] = {
> "gpll0_early_div"
> };
>
> -static const struct parent_map gcc_xo_gpll0_gpll2_gpll3_gpll0_early_div_map[] = {
> - { P_XO, 0 },
> - { P_GPLL0, 1 },
> - { P_GPLL2, 2 },
> - { P_GPLL3, 3 },
> - { P_GPLL0_EARLY_DIV, 6 }
> -};
> -
> -static const char * const gcc_xo_gpll0_gpll2_gpll3_gpll0_early_div[] = {
> - "xo",
> - "gpll0",
> - "gpll2",
> - "gpll3",
> - "gpll0_early_div"
> -};
> -
> static const struct parent_map gcc_xo_gpll0_gpll1_early_div_gpll1_gpll4_gpll0_early_div_map[] = {
> { P_XO, 0 },
> { P_GPLL0, 1 },
> @@ -184,26 +168,6 @@ static const char * const gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll2_early_gpll0_early
> "gpll0_early_div"
> };
>
> -static const struct parent_map gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll4_gpll0_early_div_map[] = {
> - { P_XO, 0 },
> - { P_GPLL0, 1 },
> - { P_GPLL2, 2 },
> - { P_GPLL3, 3 },
> - { P_GPLL1, 4 },
> - { P_GPLL4, 5 },
> - { P_GPLL0_EARLY_DIV, 6 }
> -};
> -
> -static const char * const gcc_xo_gpll0_gpll2_gpll3_gpll1_gpll4_gpll0_early_div[] = {
> - "xo",
> - "gpll0",
> - "gpll2",
> - "gpll3",
> - "gpll1",
> - "gpll4",
> - "gpll0_early_div"
> -};
> -
> static struct clk_fixed_factor xo = {
> .mult = 1,
> .div = 1,
> --
> 2.22.0.rc2.383.gf4fbbf30c2-goog
>

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