linux-kernel - [PATCH 1/1] clk: meson: gxbb: let sar_adc_clk

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Date:   Sat, 21 Sep 2019 17:04:11 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     narmstrong@...libre.com, jbrunet@...libre.com,
        linux-amlogic@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH 1/1] clk: meson: gxbb: let sar_adc_clk_div set the parent clock rate

The meson-saradc driver manually sets the input clock for
sar_adc_clk_sel. Update the GXBB clock driver (which is used on GXBB,
GXL and GXM) so the rate settings on sar_adc_clk_div are propagated up
to sar_adc_clk_sel which will let the common clock framework select the
best matching parent clock if we want that.

This makes sar_adc_clk_div consistent with the axg-aoclk and g12a-aoclk
drivers, which both also specify CLK_SET_RATE_PARENT.

Fixes: 33d0fcdfe0e870 ("clk: gxbb: add the SAR ADC clocks and expose them")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
This is a small consistency fix which I found while debugging an
unrelated problem.

 drivers/clk/meson/gxbb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 7cfb998eeb3e..1f9c056e684c 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -935,6 +935,7 @@ static struct clk_regmap gxbb_sar_adc_clk_div = {
 			&gxbb_sar_adc_clk_sel.hw
 		},
 		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
 	},
 };
 
-- 
2.23.0