tree e65ac8899e2458471f415e39c475ddb91bcab422
parent 6aa0714e54c290ba9c103c34168a599192969359
author Chen Baozi <chenbaozi@phytium.com.cn> 1626680164 +0800
committer Tom Rini <trini@konsulko.com> 1627080826 -0400

serial: pl011: Resend the character if FIFO is full in debug uart

pl01x_putc() might return -EAGAIN if there was no space in FIFO. In that
case, high-level caller should wait until there is space and resend the
character.

Signed-off-by: Chen Baozi <chenbaozi@phytium.com.cn>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>