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authorDamien Le Moal <damien.lemoal@wdc.com>2021-06-22 15:45:02 +0900
committerStephen Boyd <sboyd@kernel.org>2021-06-30 11:34:36 -0700
commitfaa0e307948594b4379a86fff7fb2409067aed6f (patch)
treebf91ae414498d4bffc1092065a8aff1cdaeaba5b /drivers/clk
parent2cdee50eda9d87f4fabba3df00caa4cc873f30ab (diff)
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: c6ca7616f7d5 ("clk: Add RISC-V Canaan Kendryte K210 clock driver") Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com> Link: https://lore.kernel.org/r/20210622064502.14841-1-damien.lemoal@wdc.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/clk-k210.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/clk/clk-k210.c b/drivers/clk/clk-k210.c
index 6c84abf5b2e3..67a7cb3503c3 100644
--- a/drivers/clk/clk-k210.c
+++ b/drivers/clk/clk-k210.c
@@ -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;