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SubjectRe: [PATCH v2] clk: qcom: gpucc-sm8350: Fix "initializer element is not constant" error
On Mon, 11 Jul 2022 at 20:41, Nathan Chancellor <nathan@kernel.org> wrote:
>
> When building with clang or GCC older than 8, errors along the following
> lines occur:
>
> drivers/clk/qcom/gpucc-sm8350.c:111:2: error: initializer element is not a compile-time constant
> gpu_cc_parent,
> ^~~~~~~~~~~~~
> drivers/clk/qcom/gpucc-sm8350.c:126:2: error: initializer element is not a compile-time constant
> gpu_cc_parent,
> ^~~~~~~~~~~~~
> 2 errors generated.
>
> The C standard allows an implementation to accept other forms of
> constant expressions, which GCC 8+ has chosen to do, but it is not
> required. Just inline the initializer to resolve the error.
>
> Fixes: 160758b05ab1 ("clk: qcom: add support for SM8350 GPUCC")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1660
> Reported-by: kernel test robot <lkp@intel.com>
> Signed-off-by: Nathan Chancellor <nathan@kernel.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

> ---
>
> v1 -> v2: https://lore.kernel.org/20220711163021.152578-1-nathan@kernel.org/
>
> * Just inline the initializer, rather than using a macro (Dmitry).
>
> drivers/clk/qcom/gpucc-sm8350.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/qcom/gpucc-sm8350.c b/drivers/clk/qcom/gpucc-sm8350.c
> index d13fa813d190..5367ce654ac9 100644
> --- a/drivers/clk/qcom/gpucc-sm8350.c
> +++ b/drivers/clk/qcom/gpucc-sm8350.c
> @@ -108,7 +108,7 @@ static const struct parent_map gpu_cc_parent_map_0[] = {
> };
>
> static const struct clk_parent_data gpu_cc_parent_data_0[] = {
> - gpu_cc_parent,
> + { .fw_name = "bi_tcxo" },
> { .hw = &gpu_cc_pll0.clkr.hw },
> { .hw = &gpu_cc_pll1.clkr.hw },
> { .fw_name = "gcc_gpu_gpll0_clk_src" },
> @@ -123,7 +123,7 @@ static const struct parent_map gpu_cc_parent_map_1[] = {
> };
>
> static const struct clk_parent_data gpu_cc_parent_data_1[] = {
> - gpu_cc_parent,
> + { .fw_name = "bi_tcxo" },
> { .hw = &gpu_cc_pll1.clkr.hw },
> { .fw_name = "gcc_gpu_gpll0_clk_src" },
> { .fw_name = "gcc_gpu_gpll0_div_clk_src" },
>
> base-commit: 0dd8e16bfbc003b009f843e75fae4046daa08fe9
> --
> 2.37.0
>


--
With best wishes
Dmitry

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