diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 09:15:15 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 09:15:15 -0800 |
commit | ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (patch) | |
tree | 816e5ac643b15c2050c64a7075f0f7e13d86ea09 /drivers/serial/amba-pl011.c | |
parent | b1bf9368407ae7e89d8a005bb40beb70a41df539 (diff) | |
parent | 9f33be2c3a80bdc2cc08342dd77fac87652e0548 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits)
ARM: Eliminate decompressor -Dstatic= PIC hack
ARM: 5958/1: ARM: U300: fix inverted clk round rate
ARM: 5956/1: misplaced parentheses
ARM: 5955/1: ep93xx: move timer defines into core.c and document
ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c
ARM: 5953/1: ep93xx: fix broken build of clock.c
ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig
ARM: 5949/1: NUC900 add gpio virtual memory map
ARM: 5948/1: Enable timer0 to time4 clock support for nuc910
ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk
ARM: make_coherent(): fix problems with highpte, part 2
MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself
ARM: 5945/1: ep93xx: include correct irq.h in core.c
ARM: 5933/1: amba-pl011: support hardware flow control
ARM: 5930/1: Add PKMAP area description to memory.txt.
ARM: 5929/1: Add checks to detect overlap of memory regions.
ARM: 5928/1: Change type of VMALLOC_END to unsigned long.
ARM: 5927/1: Make delimiters of DMA area globally visibly.
ARM: 5926/1: Add "Virtual kernel memory..." printout.
ARM: 5920/1: OMAP4: Enable L2 Cache
...
Fix up trivial conflict in arch/arm/mach-mx25/clock.c
Diffstat (limited to 'drivers/serial/amba-pl011.c')
-rw-r--r-- | drivers/serial/amba-pl011.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index ef7adc8135d..ce6c35333ff 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -71,6 +71,7 @@ struct uart_amba_port { unsigned int im; /* interrupt mask */ unsigned int old_status; unsigned int ifls; /* vendor-specific */ + bool autorts; }; /* There is by now at least one vendor with differing details, so handle it */ @@ -308,6 +309,11 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) TIOCMBIT(TIOCM_OUT1, UART011_CR_OUT1); TIOCMBIT(TIOCM_OUT2, UART011_CR_OUT2); TIOCMBIT(TIOCM_LOOP, UART011_CR_LBE); + + if (uap->autorts) { + /* We need to disable auto-RTS if we want to turn RTS off */ + TIOCMBIT(TIOCM_RTS, UART011_CR_RTSEN); + } #undef TIOCMBIT writew(cr, uap->port.membase + UART011_CR); @@ -437,6 +443,7 @@ static void pl011_shutdown(struct uart_port *port) /* * disable the port */ + uap->autorts = false; writew(UART01x_CR_UARTEN | UART011_CR_TXE, uap->port.membase + UART011_CR); /* @@ -456,6 +463,7 @@ static void pl011_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { + struct uart_amba_port *uap = (struct uart_amba_port *)port; unsigned int lcr_h, old_cr; unsigned long flags; unsigned int baud, quot; @@ -532,6 +540,17 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, old_cr = readw(port->membase + UART011_CR); writew(0, port->membase + UART011_CR); + if (termios->c_cflag & CRTSCTS) { + if (old_cr & UART011_CR_RTS) + old_cr |= UART011_CR_RTSEN; + + old_cr |= UART011_CR_CTSEN; + uap->autorts = true; + } else { + old_cr &= ~(UART011_CR_CTSEN | UART011_CR_RTSEN); + uap->autorts = false; + } + /* Set baud rate */ writew(quot & 0x3f, port->membase + UART011_FBRD); writew(quot >> 6, port->membase + UART011_IBRD); |