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ASoC: renesas: fsi: Add SPU clock control in hw_startup/shutdown

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Enable and disable the SPU clock in fsi_hw_startup() and
fsi_hw_shutdown() to ensure the clock is active while the
driver accesses hardware registers.

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Suggested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: bui duc phuc <phucduc.bui@gmail.com>
Link: https://patch.msgid.link/20260609113836.45079-12-phucduc.bui@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
bui duc phuc 2026-06-09 18:38:36 +07:00 committed by Mark Brown
parent 05e1ebfeb7
commit 26deeee42f
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GPG Key ID: 24D68B725D5487D0
1 changed files with 20 additions and 4 deletions
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24
sound/soc/renesas/fsi.c
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@ -1560,6 +1560,11 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
struct device *dev)
{
u32 data = 0;
int ret;
/* enable spu bus bridge clock */
ret = clk_enable(fsi->master->clk_spu);
if (ret)
return ret;
/* clock setting */
if (fsi_is_clk_master(fsi))
@ -1605,8 +1610,13 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
fsi_fifo_init(fsi, io, dev);
/* start master clock */
if (fsi_is_clk_master(fsi))
return fsi_clk_enable(dev, fsi);
if (fsi_is_clk_master(fsi)) {
ret = fsi_clk_enable(dev, fsi);
if (ret) {
clk_disable(fsi->master->clk_spu);
return ret;
}
}
return 0;
}
@ -1614,9 +1624,15 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
static int fsi_hw_shutdown(struct fsi_priv *fsi,
struct device *dev)
{
int ret;
/* stop master clock */
if (fsi_is_clk_master(fsi))
return fsi_clk_disable(dev, fsi);
if (fsi_is_clk_master(fsi)) {
ret = fsi_clk_disable(dev, fsi);
if (ret)
return ret;
}
/* stop spu bus bridge clock */
clk_disable(fsi->master->clk_spu);
return 0;
}