Alexander Shiyan f80b2581a7
w1: mxc_w1: Optimize mxc_w1_ds2_touch_bit() ...
According to the i.MX reference manual, the read/write bit operations
takes from 60 us to 120 us.
This patch optimizes mxc_w1_ds2_touch_bit() function to use proper
value for such delay. Nevertheless, a small margin for the timeout has
been added for the case if clock frequency is inaccurate.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru >
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org >
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