linux-kernel - [PATCH 3/8] clk: Document CLK_MUX_READ

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Date:   Tue,  2 Apr 2019 16:00:59 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: [PATCH 3/8] clk: Document CLK_MUX_READ_ONLY mux flag

This flag isn't documented. Document it.

Signed-off-by: Stephen Boyd <sboyd@...nel.org>
---
 include/linux/clk-provider.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index adb8a58e213c..edff3c5883bc 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -499,6 +499,8 @@ void clk_hw_unregister_divider(struct clk_hw *hw);
  *	register, and mask of mux bits are in higher 16-bit of this register.
  *	While setting the mux bits, higher 16-bit should also be updated to
  *	indicate changing mux bits.
+ * CLK_MUX_READ_ONLY - The mux registers can't be written, only read in the
+ * 	.get_parent clk_op.
  * CLK_MUX_ROUND_CLOSEST - Use the parent rate that is closest to the desired
  *	frequency.
  */
-- 
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