From 5c58585090a9ac3fbdf45ef584caa3a755b8ceda Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Thu, 30 Dec 2021 15:03:21 +0000 Subject: clk: socfpga: remove redundant assignment after a mask operation The assignment operation after a & mask operation is redundant, the variables being assigned are not used afterwards. Replace the &= operator with just & operator. Cleans up two clang-scan warnings: drivers/clk/socfpga/clk-gate.c:37:10: warning: Although the value stored to 'l4_src' is used in the enclosing expression, the value is never actually read from 'l4_src' [deadcode.DeadStores] return l4_src &= 0x1; ^ ~~~ drivers/clk/socfpga/clk-gate.c:46:10: warning: Although the value stored to 'perpll_src' is used in the enclosing expression, the value is never actually read from 'perpll_src' [deadcode.DeadStores] return perpll_src &= 0x3; Signed-off-by: Colin Ian King Link: https://lore.kernel.org/r/20211230150321.167576-1-colin.i.king@gmail.com Acked-by: Dinh Nguyen Signed-off-by: Stephen Boyd --- drivers/clk/socfpga/clk-gate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c index 1ec9678d8cd3..53d6e3ec4309 100644 --- a/drivers/clk/socfpga/clk-gate.c +++ b/drivers/clk/socfpga/clk-gate.c @@ -34,7 +34,7 @@ static u8 socfpga_clk_get_parent(struct clk_hw *hwclk) if (streq(name, SOCFPGA_L4_MP_CLK)) { l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC); - return l4_src &= 0x1; + return l4_src & 0x1; } if (streq(name, SOCFPGA_L4_SP_CLK)) { l4_src = readl(clk_mgr_base_addr + CLKMGR_L4SRC); @@ -43,7 +43,7 @@ static u8 socfpga_clk_get_parent(struct clk_hw *hwclk) perpll_src = readl(clk_mgr_base_addr + CLKMGR_PERPLL_SRC); if (streq(name, SOCFPGA_MMC_CLK)) - return perpll_src &= 0x3; + return perpll_src & 0x3; if (streq(name, SOCFPGA_NAND_CLK) || streq(name, SOCFPGA_NAND_X_CLK)) return (perpll_src >> 2) & 3; -- cgit v1.2.3