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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-26 10:26:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-26 10:26:08 -0700
commit6ad2c73d11d32994b7e9a605ee93e97b13c41f78 (patch)
treee2aa9f9eb9eda9e5e16d434a5a138fa38fc8abb0
parent490916d6baaa797d406f659996ffce49679b61e8 (diff)
parenta4f743851f74fc3e0cc40c13082e65c24139f481 (diff)
Merge tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial fix from Greg Kroah-Hartman: "Here is one patch, a revert of a omap serial driver patch that was causing problems, for your 3.7-rc tree. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: Revert "serial: omap: fix software flow control"
-rw-r--r--arch/arm/plat-omap/include/plat/omap-serial.h4
-rw-r--r--drivers/tty/serial/omap-serial.c12
2 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/arch/arm/plat-omap/include/plat/omap-serial.h
index f4a4cd014795..1957a8516e93 100644
--- a/arch/arm/plat-omap/include/plat/omap-serial.h
+++ b/arch/arm/plat-omap/include/plat/omap-serial.h
@@ -40,10 +40,10 @@
#define OMAP_UART_WER_MOD_WKUP 0X7F
/* Enable XON/XOFF flow control on output */
-#define OMAP_UART_SW_TX 0x8
+#define OMAP_UART_SW_TX 0x04
/* Enable XON/XOFF flow control on input */
-#define OMAP_UART_SW_RX 0x2
+#define OMAP_UART_SW_RX 0x04
#define OMAP_UART_SYSC_RESET 0X07
#define OMAP_UART_TCR_TRIG 0X0F
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 6ede6fd92b4c..6d3d26a607b9 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -671,19 +671,19 @@ serial_omap_configure_xonxoff
/*
* IXON Flag:
- * Flow control for OMAP.TX
- * OMAP.RX should listen for XON/XOFF
+ * Enable XON/XOFF flow control on output.
+ * Transmit XON1, XOFF1
*/
if (termios->c_iflag & IXON)
- up->efr |= OMAP_UART_SW_RX;
+ up->efr |= OMAP_UART_SW_TX;
/*
* IXOFF Flag:
- * Flow control for OMAP.RX
- * OMAP.TX should send XON/XOFF
+ * Enable XON/XOFF flow control on input.
+ * Receiver compares XON1, XOFF1.
*/
if (termios->c_iflag & IXOFF)
- up->efr |= OMAP_UART_SW_TX;
+ up->efr |= OMAP_UART_SW_RX;
serial_out(up, UART_EFR, up->efr | UART_EFR_ECB);
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);