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| author | Tom Rini <trini@konsulko.com> | 2023-01-09 11:30:08 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-01-09 11:30:08 -0500 |
| commit | cebdfc22da6eb81793b616e855bc4d6d89c1c7a6 (patch) | |
| tree | 44eaafcbe4866712d361304882e7d56ca0ef1682 /drivers/serial/serial_arc.c | |
| parent | 62e2ad1ceafbfdf2c44d3dc1b6efc81e768a96b9 (diff) | |
| parent | fe33066d246462551f385f204690a11018336ac8 (diff) | |
Merge branch 'next'
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/serial/serial_arc.c')
| -rw-r--r-- | drivers/serial/serial_arc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/serial/serial_arc.c b/drivers/serial/serial_arc.c index b2d95bdbe18..c2fc8a901e2 100644 --- a/drivers/serial/serial_arc.c +++ b/drivers/serial/serial_arc.c @@ -53,8 +53,8 @@ static int arc_serial_putc(struct udevice *dev, const char c) struct arc_serial_plat *plat = dev_get_plat(dev); struct arc_serial_regs *const regs = plat->reg; - while (!(readb(®s->status) & UART_TXEMPTY)) - ; + if (!(readb(®s->status) & UART_TXEMPTY)) + return -EAGAIN; writeb(c, ®s->data); @@ -83,8 +83,8 @@ static int arc_serial_getc(struct udevice *dev) struct arc_serial_plat *plat = dev_get_plat(dev); struct arc_serial_regs *const regs = plat->reg; - while (!arc_serial_tstc(regs)) - ; + if (!arc_serial_tstc(regs)) + return -EAGAIN; /* Check for overflow errors */ if (readb(®s->status) & UART_OVERFLOW_ERR) |