clk: tegra: clk-tegra30: Remove unused variable 'reg'

Fixes the following W=1 kernel build warning(s):

 drivers/clk/tegra/clk-tegra30.c: In function ‘tegra30_enable_cpu_clock’:
 drivers/clk/tegra/clk-tegra30.c:1107:15: warning: variable ‘reg’ set but not used [-Wunused-but-set-variable]

Cc: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-8-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 37244a7e68c229d478e36389efbfceba7cec5306..f72882f433ad6c10d4368f109cef6a217f8974a0 100644 (file)
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -1104,12 +1104,9 @@ static void tegra30_cpu_out_of_reset(u32 cpu)
 
 static void tegra30_enable_cpu_clock(u32 cpu)
 {
-       unsigned int reg;
-
        writel(CPU_CLOCK(cpu),
               clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
-       reg = readl(clk_base +
-                   TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
+       readl(clk_base + TEGRA30_CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR);
 }
 
 static void tegra30_disable_cpu_clock(u32 cpu)