linux-kernel - [PATCH v2 3/7] clk: at91: sckc: add support to free slow clock osclillator

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Date:   Thu, 27 Jun 2019 18:53:41 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>
CC:     <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH v2 3/7] clk: at91: sckc: add support to free slow clock osclillator

Add support to free slow clock oscillator resources.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
---
 drivers/clk/at91/sckc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c
index 492b139a7c15..2a677c56f901 100644
--- a/drivers/clk/at91/sckc.c
+++ b/drivers/clk/at91/sckc.c
@@ -355,6 +355,14 @@ at91_clk_register_sam9x5_slow(void __iomem *sckcr,
 	return hw;
 }
 
+static void at91_clk_unregister_sam9x5_slow(struct clk_hw *hw)
+{
+	struct clk_sam9x5_slow *slowck = to_clk_sam9x5_slow(hw);
+
+	clk_hw_unregister(hw);
+	kfree(slowck);
+}
+
 static void __init at91sam9x5_sckc_register(struct device_node *np,
 					    unsigned int rc_osc_startup_us,
 					    const struct clk_slow_bits *bits)
-- 
2.7.4