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927353a756
Looking at the existing serial drivers (esp. the 8250 derived variants) we see a common trend. They create a hardware specific port struct, which in turn contains a generic serial_port struct. The other trend, is that they all create some sort of shortcut to go through the hardware specific struct, to the serial_port struct, which has the basic in/out operations within. Looking for the serial_in and serial_out in several drivers shows this. Rather than let this continue, lets create a generic set of similar helper wrappers that can be used on a struct port, so we can eliminate bouncing out through hardware specific struct pointers just to come back into struct port where possible. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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