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Merge tag 'tty-3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

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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"
This commit is contained in:
Linus Torvalds
2012-10-26 10:26:08 -07:00
parent 490916d6ba a4f743851f
commit 6ad2c73d11
2 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/plat-omap/include/plat/omap-serial.h
View File

@@ -40,10 +40,10 @@
#define OMAP_UART_WER_MOD_WKUP 0X7F #define OMAP_UART_WER_MOD_WKUP 0X7F
/* Enable XON/XOFF flow control on output */ /* 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 */ /* 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_SYSC_RESET 0X07
#define OMAP_UART_TCR_TRIG 0X0F #define OMAP_UART_TCR_TRIG 0X0F

12
drivers/tty/serial/omap-serial.c
View File

@@ -671,19 +671,19 @@ serial_omap_configure_xonxoff
/* /*
* IXON Flag: * IXON Flag:
* Flow control for OMAP.TX * Enable XON/XOFF flow control on output.
* OMAP.RX should listen for XON/XOFF * Transmit XON1, XOFF1
*/ */
if (termios->c_iflag & IXON) if (termios->c_iflag & IXON)
up->efr |= OMAP_UART_SW_RX; up->efr |= OMAP_UART_SW_TX;
/* /*
* IXOFF Flag: * IXOFF Flag:
* Flow control for OMAP.RX * Enable XON/XOFF flow control on input.
* OMAP.TX should send XON/XOFF * Receiver compares XON1, XOFF1.
*/ */
if (termios->c_iflag & IXOFF) 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_EFR, up->efr | UART_EFR_ECB);
serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A); serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);