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authorDamien Le Moal <damien.lemoal@wdc.com>2021-06-22 09:45:02 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-14 17:59:09 +0300
commit74672ecf9f2a14eed4701a7375cbf76b8ea9e87a (patch)
tree61074eff2397e975c307d5758aa1fe3f7f9f53ae
parent862f02bc7cf5d3f573e0e93c7e48d146073b84d1 (diff)
downloadlinux-74672ecf9f2a14eed4701a7375cbf76b8ea9e87a.tar.xz
clk: k210: Fix k210_clk_set_parent()
commit faa0e307948594b4379a86fff7fb2409067aed6f upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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;