“b0f18edaf6ee4e6fac89cae63a90bd38ad2a3418”上不存在“drivers/gpio/gpio-tegra.c”
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由 Chris Metcalf 提交于
This idiom is used elsewhere when we do an unlock by writing a zero, but I missed it here. Using an atomic operation avoids waiting on the write buffer for the unlocking write to be sent to the home cache. Signed-off-by: NChris Metcalf <cmetcalf@tilera.com>ab306cae