diff options
| author | Rob Herring <robh@kernel.org> | 2014-01-17 16:01:27 -0600 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2014-01-17 16:01:27 -0600 |
| commit | 361128fcbf30f590a05c8e8789155364f37367db (patch) | |
| tree | 7f7973599e286dfd48ea724a5b7fb4bca76b294e /drivers/tty/serial/8250/8250_dw.c | |
| parent | e2897d7e0b0460dca91b52d55ce41c888363502d (diff) | |
| parent | 482c43419fc204b4b658fa4acb80cd502e5fcbac (diff) | |
| download | linux-361128fcbf30f590a05c8e8789155364f37367db.tar.bz2 | |
Merge remote-tracking branch 'grant/devicetree/next' into for-3.14
Diffstat (limited to 'drivers/tty/serial/8250/8250_dw.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 4658e3e0ec42..06525f10e364 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 }, { }, }; |