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clk: mediatek: mux: Reverse check for existing clk to reduce nesting level

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The clk registration code here currently does:

    if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) {
            ... do clk registration ...
    }

This extra level of nesting wastes screen real estate.

Reduce the nesting level by reversing the conditional shown above.
Other than that, functionality is not changed.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220208124034.414635-24-wenst@chromium.org
Reviewed-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Chen-Yu Tsai 2022-02-08 20:40:26 +08:00 committed by Stephen Boyd
parent e938a13409
commit 203ce39ed5
1 changed files with 8 additions and 7 deletions
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15
drivers/clk/mediatek/clk-mux.c
View File

@ -208,16 +208,17 @@ int mtk_clk_register_muxes(const struct mtk_mux *muxes,
for (i = 0; i < num; i++) {
const struct mtk_mux *mux = &muxes[i];
if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) {
clk = mtk_clk_register_mux(mux, regmap, lock);
if (!IS_ERR_OR_NULL(clk_data->clks[mux->id]))
continue;
if (IS_ERR(clk)) {
pr_err("Failed to register clk %s: %pe\n", mux->name, clk);
continue;
}
clk = mtk_clk_register_mux(mux, regmap, lock);
clk_data->clks[mux->id] = clk;
if (IS_ERR(clk)) {
pr_err("Failed to register clk %s: %pe\n", mux->name, clk);
continue;
}
clk_data->clks[mux->id] = clk;
}
return 0;