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| author |   Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2021-05-27 11:40:22 +0900 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-05-27 11:15:26 +0100 |
| commit | 965386c97616c401b34cba4e9e3bfc9c6b215359 (patch) | |
| tree | 84cff44a034e6496efd756d4f548ee9e2983b075 /sound/soc/sh/rcar | |
| parent | ASoC: cs42l52: use DEVICE_ATTR_WO macro (diff) | |
| download | linux-dev-965386c97616c401b34cba4e9e3bfc9c6b215359.tar.xz linux-dev-965386c97616c401b34cba4e9e3bfc9c6b215359.zip | |
ASoC: rsnd: call unregister for null_hw when removed
commit d6956a7dde6fb ("ASoC: rsnd: add null CLOCKIN support")
added null_clk, but it is using local static valuable.
It will be leaked if rsnd driver was removed.
This patch moves it to priv, and call unregister when removing.
Fixes: d6956a7dde6fb ("ASoC: rsnd: add null CLOCKIN support")
Link: https://lore.kernel.org/r/87tumsoe2p.wl-kuninori.morimoto.gx@renesas.com
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Message-Id: <877djknbl5.wl-kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh/rcar')
| -rw-r--r-- | sound/soc/sh/rcar/adg.c | 9 | ||||
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 1 |
2 files changed, 6 insertions, 4 deletions
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index e13eb201d550..774a72a7b6a2 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -392,10 +392,9 @@ void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) #define NULL_CLK "rsnd_adg_null" static struct clk *rsnd_adg_null_clk_get(struct rsnd_priv *priv) { - static struct clk_hw *hw; struct device *dev = rsnd_priv_to_dev(priv); - if (!hw) { + if (!priv->null_hw) { struct clk_hw *_hw; int ret; @@ -407,10 +406,10 @@ static struct clk *rsnd_adg_null_clk_get(struct rsnd_priv *priv) if (ret < 0) clk_hw_unregister_fixed_rate(_hw); - hw = _hw; + priv->null_hw = _hw; } - return clk_hw_get_clk(hw, NULL_CLK); + return clk_hw_get_clk(priv->null_hw, NULL_CLK); } static void rsnd_adg_get_clkin(struct rsnd_priv *priv, @@ -649,6 +648,8 @@ void rsnd_adg_remove(struct rsnd_priv *priv) for_each_rsnd_clkout(clk, adg, i) if (adg->clkout[i]) clk_unregister_fixed_rate(adg->clkout[i]); + if (priv->null_hw) + clk_hw_unregister_fixed_rate(priv->null_hw); of_clk_del_provider(np); diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index 1255a85151db..19e73a1ddb16 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -635,6 +635,7 @@ struct rsnd_priv { * below value will be filled on rsnd_adg_probe() */ void *adg; + struct clk_hw *null_hw; /* * below value will be filled on rsnd_dma_probe() |