i2c: hisi: Avoid redundant interrupts

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After issuing all the messages we can disable the TX_EMPTY interrupts
to avoid handling redundant interrupts. For doing a sinlge bus
detection (i2cdetect -y -r 0) we can reduce ~97% interrupts (before
~12000 after ~400).

Signed-off-by: Sheng Feng <fengsheng5@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

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Yicong Yang 2023-03-13 15:45:51 +08:00 • committed by Wolfram Sang

parent 5190417bdf

commit cc9812a309

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drivers/i2c/busses/i2c-hisi.c

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