From: Bill Pemberton Date: Thu, 5 Aug 2010 21:01:08 +0000 (-0400) Subject: USB: ssu100: add register parameter to ssu100_setregister X-Git-Tag: upstream/snapshot3+hdmi~13149^2~15 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=556f1a0e9c178193e584209b47cf1cb9f669bd51;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git USB: ssu100: add register parameter to ssu100_setregister The function ssu100_setregister was hard coded to only set the MCR register. Add a register parameter so that other registers can be set. Signed-off-by: Bill Pemberton Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index 3c586b5..ad5f9ae 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -127,9 +127,10 @@ static inline int ssu100_getregister(struct usb_device *dev, static inline int ssu100_setregister(struct usb_device *dev, unsigned short uart, + unsigned short reg, u16 data) { - u16 value = (data << 8) | UART_MCR; + u16 value = (data << 8) | reg; return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), QT_SET_GET_REGISTER, 0x40, value, uart, @@ -159,7 +160,7 @@ static inline int update_mctrl(struct usb_device *dev, unsigned int set, if (set & TIOCM_RTS) urb_value |= UART_MCR_RTS; - result = ssu100_setregister(dev, 0, urb_value); + result = ssu100_setregister(dev, 0, UART_MCR, urb_value); if (result < 0) dbg("%s Error from MODEM_CTRL urb", __func__); @@ -529,7 +530,7 @@ static void ssu100_dtr_rts(struct usb_serial_port *port, int on) if (!port->serial->disconnected) { /* Disable flow control */ if (!on && - ssu100_setregister(dev, 0, 0) < 0) + ssu100_setregister(dev, 0, UART_MCR, 0) < 0) dev_err(&port->dev, "error from flowcontrol urb\n"); /* drop RTS and DTR */ if (on)