diff options
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 8 | ||||
| -rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 2 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 4658e3e0ec4..06525f10e36 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -96,7 +96,8 @@ static void dw8250_serial_out(struct uart_port *p, int offset, int value) if (offset == UART_LCR) { int tries = 1000; while (tries--) { - if (value == p->serial_in(p, UART_LCR)) + unsigned int lcr = p->serial_in(p, UART_LCR); + if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) return; dw8250_force_idle(p); writeb(value, p->membase + (UART_LCR << p->regshift)); @@ -132,7 +133,8 @@ static void dw8250_serial_out32(struct uart_port *p, int offset, int value) if (offset == UART_LCR) { int tries = 1000; while (tries--) { - if (value == p->serial_in(p, UART_LCR)) + unsigned int lcr = p->serial_in(p, UART_LCR); + if ((value & ~UART_LCR_SPAR) == (lcr & ~UART_LCR_SPAR)) return; dw8250_force_idle(p); writel(value, p->membase + (UART_LCR << p->regshift)); @@ -455,6 +457,8 @@ MODULE_DEVICE_TABLE(of, dw8250_of_match); static const struct acpi_device_id dw8250_acpi_match[] = { { "INT33C4", 0 }, { "INT33C5", 0 }, + { "INT3434", 0 }, + { "INT3435", 0 }, { "80860F0A", 0 }, { }, }; diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index e46e9f3f19b..f619ad5b5ea 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -240,6 +240,7 @@ static irqreturn_t xuartps_isr(int irq, void *dev_id) continue; } +#ifdef SUPPORT_SYSRQ /* * uart_handle_sysrq_char() doesn't work if * spinlocked, for some reason @@ -253,6 +254,7 @@ static irqreturn_t xuartps_isr(int irq, void *dev_id) } spin_lock(&port->lock); } +#endif port->icount.rx++; |