diff options
author | Takashi Iwai <tiwai@suse.de> | 2013-12-19 12:22:11 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2013-12-19 12:22:11 +0100 |
commit | 356f402da0f989b16e4b6849e88dba5df0e25944 (patch) | |
tree | d1d41d07abf30bdd7fe1498f6eb239eaced6d9b3 /drivers/usb/serial/ftdi_sio.c | |
parent | 3a6c5d8ad0a9253aafb76df3577edcb68c09b939 (diff) | |
parent | 96b7fe0119b932ad25451d2b6357e727bbe6a309 (diff) |
Merge tag 'asoc-v3.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.13
The fixes here are all driver specific ones, none of which particularly
stand out but all of which are useful to users of those drivers.
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 9ced8937a8f3..fb0d537435eb 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -2123,6 +2123,20 @@ static void ftdi_set_termios(struct tty_struct *tty, termios->c_cflag |= CRTSCTS; } + /* + * All FTDI UART chips are limited to CS7/8. We won't pretend to + * support CS5/6 and revert the CSIZE setting instead. + */ + if ((C_CSIZE(tty) != CS8) && (C_CSIZE(tty) != CS7)) { + dev_warn(ddev, "requested CSIZE setting not supported\n"); + + termios->c_cflag &= ~CSIZE; + if (old_termios) + termios->c_cflag |= old_termios->c_cflag & CSIZE; + else + termios->c_cflag |= CS8; + } + cflag = termios->c_cflag; if (!old_termios) @@ -2159,19 +2173,16 @@ no_skip: } else { urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE; } - if (cflag & CSIZE) { - switch (cflag & CSIZE) { - case CS7: - urb_value |= 7; - dev_dbg(ddev, "Setting CS7\n"); - break; - case CS8: - urb_value |= 8; - dev_dbg(ddev, "Setting CS8\n"); - break; - default: - dev_err(ddev, "CSIZE was set but not CS7-CS8\n"); - } + switch (cflag & CSIZE) { + case CS7: + urb_value |= 7; + dev_dbg(ddev, "Setting CS7\n"); + break; + default: + case CS8: + urb_value |= 8; + dev_dbg(ddev, "Setting CS8\n"); + break; } /* This is needed by the break command since it uses the same command |