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author | Mark Brown <broonie@kernel.org> | 2019-08-20 18:28:43 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2019-08-20 18:28:43 +0100 |
commit | dd28d54c248fa37794dfa3d23a24ff99a1d3b6ac (patch) | |
tree | 066b7a24eb08527f47da41ac3fd3621d073a24d6 /sound/soc/sh | |
parent | d5e120422db8808e1c8b1507900ca393a877c58f (diff) | |
parent | bf283a05c09b58db83afbb1a8a3c6a684c56c1bb (diff) | |
download | linux-dd28d54c248fa37794dfa3d23a24ff99a1d3b6ac.tar.bz2 |
Merge branch 'asoc-5.3' into asoc-5.4
Diffstat (limited to 'sound/soc/sh')
-rw-r--r-- | sound/soc/sh/rcar/adg.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index fce4e050a9b7..b9aacf3d3b29 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -30,6 +30,7 @@ struct rsnd_adg { struct clk *clkout[CLKOUTMAX]; struct clk_onecell_data onecell; struct rsnd_mod mod; + int clk_rate[CLKMAX]; u32 flags; u32 ckr; u32 rbga; @@ -114,9 +115,9 @@ static void __rsnd_adg_get_timesel_ratio(struct rsnd_priv *priv, unsigned int val, en; unsigned int min, diff; unsigned int sel_rate[] = { - clk_get_rate(adg->clk[CLKA]), /* 0000: CLKA */ - clk_get_rate(adg->clk[CLKB]), /* 0001: CLKB */ - clk_get_rate(adg->clk[CLKC]), /* 0010: CLKC */ + adg->clk_rate[CLKA], /* 0000: CLKA */ + adg->clk_rate[CLKB], /* 0001: CLKB */ + adg->clk_rate[CLKC], /* 0010: CLKC */ adg->rbga_rate_for_441khz, /* 0011: RBGA */ adg->rbgb_rate_for_48khz, /* 0100: RBGB */ }; @@ -302,7 +303,7 @@ int rsnd_adg_clk_query(struct rsnd_priv *priv, unsigned int rate) * AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC/AUDIO_CLKI. */ for_each_rsnd_clk(clk, adg, i) { - if (rate == clk_get_rate(clk)) + if (rate == adg->clk_rate[i]) return sel_table[i]; } @@ -369,10 +370,18 @@ void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) for_each_rsnd_clk(clk, adg, i) { ret = 0; - if (enable) + if (enable) { ret = clk_prepare_enable(clk); - else + + /* + * We shouldn't use clk_get_rate() under + * atomic context. Let's keep it when + * rsnd_adg_clk_enable() was called + */ + adg->clk_rate[i] = clk_get_rate(adg->clk[i]); + } else { clk_disable_unprepare(clk); + } if (ret < 0) dev_warn(dev, "can't use clk %d\n", i); |