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| author | Fabio Estevam <festevam@denx.de> | 2022-11-08 14:39:33 +0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2022-11-12 16:16:26 +0300 |
| commit | fc1c1760de38823edbdc2cdd9606dff938a07f6e (patch) | |
| tree | 16f1e23910246356cf18925b1daf336a17f4d168 /drivers/serial/serial_mxc.c | |
| parent | c9713c1551277654626a6cc4b41a391c3741f63f (diff) | |
| download | u-boot-fc1c1760de38823edbdc2cdd9606dff938a07f6e.tar.xz | |
Revert "serial: mxc: have putc use the TXFIFO"
This reverts commit c7878a0483c59c48a730123bc0f4659fd40921bf.
Since commit c7878a0483c5 ("serial: mxc: have putc use the TXFIFO"),
serial console corruption can be seen when priting inside board_init().
Revert it to avoid the regression.
Reported-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Diffstat (limited to 'drivers/serial/serial_mxc.c')
| -rw-r--r-- | drivers/serial/serial_mxc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c index 4cf79c1ca2..82c0d84628 100644 --- a/drivers/serial/serial_mxc.c +++ b/drivers/serial/serial_mxc.c @@ -311,7 +311,7 @@ static int mxc_serial_putc(struct udevice *dev, const char ch) struct mxc_serial_plat *plat = dev_get_plat(dev); struct mxc_uart *const uart = plat->reg; - if (readl(&uart->ts) & UTS_TXFULL) + if (!(readl(&uart->ts) & UTS_TXEMPTY)) return -EAGAIN; writel(ch, &uart->txd); |