Commit faa0e307 authored by Damien Le Moal's avatar Damien Le Moal Committed by Stephen Boyd
Browse files

clk: k210: Fix k210_clk_set_parent() 



In k210_clk_set_parent(), add missing writel() call to update the mux
register of a clock to change its parent. This also fixes a compilation
warning with clang when compiling with W=1.

Fixes: c6ca7616 ("clk: Add RISC-V Canaan Kendryte K210 clock driver")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
Link: https://lore.kernel.org/r/20210622064502.14841-1-damien.lemoal@wdc.com


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 2cdee50e

drivers/clk/clk-k210.c

+1 −0
Original line number Diff line number Diff line
@@ -722,6 +722,7 @@ static int k210_clk_set_parent(struct clk_hw *hw, u8 index) 
		reg |= BIT(cfg->mux_bit);

	else

		reg &= ~BIT(cfg->mux_bit);

	writel(reg, ksc->regs + cfg->mux_reg);

	spin_unlock_irqrestore(&ksc->clk_lock, flags);



	return 0;