Amelie Delaunay 9669bf039f mfd: stmfx: Disable IRQ in suspend to avoid spurious interrupt
[ Upstream commit 97eda5dcc2cde5dcc778bef7a9344db3b6bf8ef5 ]

When STMFX supply is stopped, spurious interrupt can occur. To avoid that,
disable the interrupt in suspend before disabling the regulator and
re-enable it at the end of resume.

Fixes: 06252ade9156 ("mfd: Add ST Multi-Function eXpander (STMFX) core driver")
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-06-24 17:50:33 +02:00
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