serial: sprd: Use readable macros instead of magic number

Define readable macros instead of magic number to make code more readable.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Baolin Wang 2018-09-17 11:33:41 -07:00 • committed by Greg Kroah-Hartman
commit 2b5a997386