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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 04:05:23 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 04:05:23 +0400
commitbcee63488ece9a0fca8be19951428a7b41001e66 (patch)
treead8b040db89dd91437ec0c024ecd1a10cb91f4c9 /drivers/tty/serial/imx.c
parentde4fe30af1620b5117d65489621a5037913e7a92 (diff)
parent8bc661bfc0c2d221e209f4205bdaaf574d50100c (diff)
downloadlinux-bcee63488ece9a0fca8be19951428a7b41001e66.tar.xz
Merge tag 'tty-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH: "Here's the big tty/serial driver pull request for 3.14-rc1 There are a number of n_tty fixes and cleanups, and some serial driver bugfixes, and we got rid of one obsolete driver, making this series remove more lines than added, always a nice surprise. All of these have been in linux-next with no reports of issues" * tag 'tty-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (60 commits) tty/serial: at91: disable uart timer at start of shutdown serial: 8250: enable UART_BUG_NOMSR for Tegra tty/serial: at91: reset rx_ring when port is shutdown tty/serial: at91: fix race condition in atmel_serial_remove tty/serial: at91: Handle shutdown more safely serial: sirf: correct condition for fetching dma buffer into tty serial: sirf: provide pm entries of uart_ops serial: sirf: use PM macro initialize PM functions serial: clps711x: Enable driver compilation with COMPILE_TEST serial: clps711x: Add support for N_IRDA line discipline tty: synclink: avoid sleep_on race tty/amiserial: avoid interruptible_sleep_on tty: delete non-required instances of include <linux/init.h> tty: an overflow of multiplication in drivers/tty/cyclades.c serial: Remove old SC26XX driver serial: add support for 200 v3 series Titan card serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip tty: Removing the deprecated function tty_vhangup_locked() TTY/n_gsm: Removing the wrong tty_unlock/lock() in gsm_dlci_release() tty/serial: at91: document clock properties ...
Diffstat (limited to 'drivers/tty/serial/imx.c')
-rw-r--r--drivers/tty/serial/imx.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index b2cfdb661947..d799140e53b6 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -806,6 +806,9 @@ static unsigned int imx_get_mctrl(struct uart_port *port)
if (readl(sport->port.membase + UCR2) & UCR2_CTS)
tmp |= TIOCM_RTS;
+ if (readl(sport->port.membase + uts_reg(sport)) & UTS_LOOP)
+ tmp |= TIOCM_LOOP;
+
return tmp;
}
@@ -821,6 +824,11 @@ static void imx_set_mctrl(struct uart_port *port, unsigned int mctrl)
temp |= UCR2_CTS;
writel(temp, sport->port.membase + UCR2);
+
+ temp = readl(sport->port.membase + uts_reg(sport)) & ~UTS_LOOP;
+ if (mctrl & TIOCM_LOOP)
+ temp |= UTS_LOOP;
+ writel(temp, sport->port.membase + uts_reg(sport));
}
/*