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c372a35550
When transitioning to supend state, uniphier_aio_dai_suspend() is called
and asserts reset lines and disables clocks.
However, if there are two or more DAIs, uniphier_aio_dai_suspend() are
called multiple times, and double reset assersion will cause.
This patch defines the counter that has the number of DAIs at first, and
whenever uniphier_aio_dai_suspend() are called, it decrements the
counter. And only if the counter is zero, it asserts reset lines and
disables clocks.
In the same way, uniphier_aio_dai_resume() are called, it increments the
counter after deasserting reset lines and enabling clocks.
Fixes:
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|---|---|---|
| .. | ||
| aio-compress.c | ||
| aio-core.c | ||
| aio-cpu.c | ||
| aio-dma.c | ||
| aio-ld11.c | ||
| aio-pxs2.c | ||
| aio-reg.h | ||
| aio.h | ||
| evea.c | ||
| Kconfig | ||
| Makefile | ||