serial: bcm283x_mu: make pending values more explicit
authorStephen Warren <swarren@wwwdotorg.org>
Thu, 14 Apr 2016 04:29:52 +0000 (22:29 -0600)
committerTom Rini <trini@konsulko.com>
Mon, 18 Apr 2016 21:11:47 +0000 (17:11 -0400)
commite3a46e3ee22876606254560ec4c10903074475c2
tree66f6d3a2d1d5552a0d63d4fe50cd91412db9c83d
parent28983f4b1a62f94e1d0ba01958f42364abccc925
serial: bcm283x_mu: make pending values more explicit

dm_serial_ops.pending should return the number of characters, not just a
valid C Boolean integer value. The existing code does already does this,
but only as an accident since BCM283X_MU_LSR_RX_READY happens to be
BIT(0). Enhance the code to be more explicit about the values it returns.

Suggested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
drivers/serial/serial_bcm283x_mu.c