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| author | Icenowy Zheng <uwu@icenowy.me> | 2022-05-20 20:42:00 +0800 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-05-30 12:34:46 +0100 |
| commit | fd71f258bc0d245b2223bf3032c0ebc82f8a3463 (patch) | |
| tree | 5ee35636920c1571ac899a814986d2b446c1033e /common-user/safe-syscall-error.c | |
| parent | b5fb359cb5b9bf5d85932b869a707550a4e18ad1 (diff) | |
| download | qemu-fd71f258bc0d245b2223bf3032c0ebc82f8a3463.zip qemu-fd71f258bc0d245b2223bf3032c0ebc82f8a3463.tar.gz qemu-fd71f258bc0d245b2223bf3032c0ebc82f8a3463.tar.bz2 | |
hw/sd/allwinner-sdhost: report FIFO water level as 1 when data ready
U-Boot queries the FIFO water level to reduce checking status register
when doing PIO SD card operation.
Report a FIFO water level of 1 when data is ready, to prevent the code
from trying to read 0 words from the FIFO each time.
Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Message-id: 20220520124200.2112699-1-uwu@icenowy.me
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'common-user/safe-syscall-error.c')
0 files changed, 0 insertions, 0 deletions