diff mbox series

clk: k210: Fix k210_clk_set_parent()

Message ID 20210717002834.7001-1-damien.lemoal@opensource.wdc.com
State New
Headers show
Series clk: k210: Fix k210_clk_set_parent() | expand

Commit Message

Damien Le Moal July 17, 2021, 12:28 a.m. UTC 
From: Damien Le Moal <damien.lemoal@wdc.com>

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>
---
 drivers/clk/clk-k210.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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;