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authorFabio Estevam2022-11-08 08:39:33 -0300
committerStefano Babic2022-11-12 14:16:26 +0100
commitfc1c1760de38823edbdc2cdd9606dff938a07f6e (patch)
tree16f1e23910246356cf18925b1daf336a17f4d168 /drivers/serial
parentc9713c1551277654626a6cc4b41a391c3741f63f (diff)
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')
-rw-r--r--drivers/serial/serial_mxc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c
index 4cf79c1ca24..82c0d84628d 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);