tree 3b786c66acb4d0fd948794897e0e9093afcfeb1a
parent 287849cb3814a5077c79a2489bef055c9f5e656c
author Patrice Chotard <patrice.chotard@st.com> 1470814749 +0200
committer Lee Jones <lee.jones@linaro.org> 1470817429 +0100

gpio: stmpe: Write int status register only when needed

On STMPE801/1801 datasheets, it's mentionned writing
in interrupt status register has no effect, bits are
cleared when reading.

Signed-off-by: Amelie DELAUNAY <amelie.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>