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authorBjorn Helgaas <bhelgaas@google.com>2012-09-13 08:41:01 -0600
committerBjorn Helgaas <bhelgaas@google.com>2012-09-13 08:41:01 -0600
commit78890b5989d96ddce989cde929c45ceeded0fcaf (patch)
tree4e2da81fc7c97f11aee174b1eedac110c9a68b3a /drivers/tty/serial
parent1959ec5f82acbdf91425b41600f119ebecb5f6a8 (diff)
parent55d512e245bc7699a8800e23df1a24195dd08217 (diff)
downloadlinux-78890b5989d96ddce989cde929c45ceeded0fcaf.tar.bz2
Merge commit 'v3.6-rc5' into next
* commit 'v3.6-rc5': (1098 commits) Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync powerpc: Update DSCR on all CPUs when writing sysfs dscr_default powerpc/powernv: Always go into nap mode when CPU is offline powerpc: Give hypervisor decrementer interrupts their own handler powerpc/vphn: Fix arch_update_cpu_topology() return value ARM: gemini: fix the gemini build ... Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c drivers/rapidio/devices/tsi721.c
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/Kconfig10
-rw-r--r--drivers/tty/serial/ifx6x60.c2
-rw-r--r--drivers/tty/serial/mxs-auart.c14
-rw-r--r--drivers/tty/serial/pmac_zilog.c12
4 files changed, 24 insertions, 14 deletions
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 070b442c1f81..4720b4ba096a 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -160,10 +160,12 @@ config SERIAL_KS8695_CONSOLE
config SERIAL_CLPS711X
tristate "CLPS711X serial port support"
- depends on ARM && ARCH_CLPS711X
+ depends on ARCH_CLPS711X
select SERIAL_CORE
+ default y
help
- ::: To be written :::
+ This enables the driver for the on-chip UARTs of the Cirrus
+ Logic EP711x/EP721x/EP731x processors.
config SERIAL_CLPS711X_CONSOLE
bool "Support for console on CLPS711X serial port"
@@ -173,9 +175,7 @@ config SERIAL_CLPS711X_CONSOLE
Even if you say Y here, the currently visible virtual console
(/dev/tty0) will still be used as the system console by default, but
you can alter that using a kernel command line option such as
- "console=ttyCL1". (Try "man bootparam" or see the documentation of
- your boot loader (lilo or loadlin) about how to pass options to the
- kernel at boot time.)
+ "console=ttyCL1".
config SERIAL_SAMSUNG
tristate "Samsung SoC serial support"
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 144cd3987d4c..3ad079ffd049 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -1331,7 +1331,7 @@ static const struct spi_device_id ifx_id_table[] = {
MODULE_DEVICE_TABLE(spi, ifx_id_table);
/* spi operations */
-static const struct spi_driver ifx_spi_driver = {
+static struct spi_driver ifx_spi_driver = {
.driver = {
.name = DRVNAME,
.pm = &ifx_spi_pm,
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 2e341b81ff89..3a667eed63d6 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -73,6 +73,7 @@
#define AUART_CTRL0_CLKGATE (1 << 30)
#define AUART_CTRL2_CTSEN (1 << 15)
+#define AUART_CTRL2_RTSEN (1 << 14)
#define AUART_CTRL2_RTS (1 << 11)
#define AUART_CTRL2_RXE (1 << 9)
#define AUART_CTRL2_TXE (1 << 8)
@@ -259,9 +260,12 @@ static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl)
u32 ctrl = readl(u->membase + AUART_CTRL2);
- ctrl &= ~AUART_CTRL2_RTS;
- if (mctrl & TIOCM_RTS)
- ctrl |= AUART_CTRL2_RTS;
+ ctrl &= ~AUART_CTRL2_RTSEN;
+ if (mctrl & TIOCM_RTS) {
+ if (u->state->port.flags & ASYNC_CTS_FLOW)
+ ctrl |= AUART_CTRL2_RTSEN;
+ }
+
s->ctrl = mctrl;
writel(ctrl, u->membase + AUART_CTRL2);
}
@@ -359,9 +363,9 @@ static void mxs_auart_settermios(struct uart_port *u,
/* figure out the hardware flow control settings */
if (cflag & CRTSCTS)
- ctrl2 |= AUART_CTRL2_CTSEN;
+ ctrl2 |= AUART_CTRL2_CTSEN | AUART_CTRL2_RTSEN;
else
- ctrl2 &= ~AUART_CTRL2_CTSEN;
+ ctrl2 &= ~(AUART_CTRL2_CTSEN | AUART_CTRL2_RTSEN);
/* set baud rate */
baud = uart_get_baud_rate(u, termios, old, 0, u->uartclk);
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 654755a990df..333c8d012b0e 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -1348,10 +1348,16 @@ static int pmz_verify_port(struct uart_port *port, struct serial_struct *ser)
static int pmz_poll_get_char(struct uart_port *port)
{
struct uart_pmac_port *uap = (struct uart_pmac_port *)port;
+ int tries = 2;
- while ((read_zsreg(uap, R0) & Rx_CH_AV) == 0)
- udelay(5);
- return read_zsdata(uap);
+ while (tries) {
+ if ((read_zsreg(uap, R0) & Rx_CH_AV) != 0)
+ return read_zsdata(uap);
+ if (tries--)
+ udelay(5);
+ }
+
+ return NO_POLL_CHAR;
}
static void pmz_poll_put_char(struct uart_port *port, unsigned char c)