diff options
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/8250.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 24110f6f61e0..31b8cca179cd 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c | |||
@@ -1867,15 +1867,17 @@ static void wait_for_xmitr(struct uart_8250_port *up, int bits) | |||
1867 | unsigned int status, tmout = 10000; | 1867 | unsigned int status, tmout = 10000; |
1868 | 1868 | ||
1869 | /* Wait up to 10ms for the character(s) to be sent. */ | 1869 | /* Wait up to 10ms for the character(s) to be sent. */ |
1870 | do { | 1870 | for (;;) { |
1871 | status = serial_in(up, UART_LSR); | 1871 | status = serial_in(up, UART_LSR); |
1872 | 1872 | ||
1873 | up->lsr_saved_flags |= status & LSR_SAVE_FLAGS; | 1873 | up->lsr_saved_flags |= status & LSR_SAVE_FLAGS; |
1874 | 1874 | ||
1875 | if ((status & bits) == bits) | ||
1876 | break; | ||
1875 | if (--tmout == 0) | 1877 | if (--tmout == 0) |
1876 | break; | 1878 | break; |
1877 | udelay(1); | 1879 | udelay(1); |
1878 | } while ((status & bits) != bits); | 1880 | } |
1879 | 1881 | ||
1880 | /* Wait up to 1s for flow control if necessary */ | 1882 | /* Wait up to 1s for flow control if necessary */ |
1881 | if (up->port.flags & UPF_CONS_FLOW) { | 1883 | if (up->port.flags & UPF_CONS_FLOW) { |