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(parent: 7a187a8) | patch
input: Flush the keyboard buffer before resetting it
authorSimon Glass <sjg@chromium.org>
Thu, 4 May 2023 22:54:56 +0000 (16:54 -0600)
committerBin Meng <bmeng@tinylab.org>
Thu, 11 May 2023 02:25:29 +0000 (10:25 +0800)
commitd8062e950367fab0f219a889e8f2fbfade90108c
tree7fa183802fef4f9a00c57c9106524e68b9743086tree | snapshot
parent7a187a89fd96e8f2344b47b7fd4d3a686da66f55commit | diff
input: Flush the keyboard buffer before resetting it

If U-Boot is not the first-stage bootloader the keyboard may already be
set up. Make sure to flush any data before trying to reset it. This
avoids a long timeout / hang.

Add some comments and a log category while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
drivers/input/i8042.c diff | blob | history
My U-Boot fork