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authorChen Baozi <[email protected]>2021-07-19 15:36:04 +0800
committerTom Rini <[email protected]>2021-07-23 18:53:46 -0400
commit198201509a460c8f1b85e3447b35599129f4f885 (patch)
treee65ac8899e2458471f415e39c475ddb91bcab422 /scripts
parent8f20c480799c54f2ff6ee9ef3d735c342bca8054 (diff)
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 <[email protected]> Reviewed-by: Stefan Roese <[email protected]> Reviewed-by: Simon Glass <[email protected]>
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