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staging: comedi: addi_apci_3120: rename private data 'us_OutputRegister'
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 4 Nov 2014 17:53:56 +0000 (10:53 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 7 Nov 2014 17:33:58 +0000 (09:33 -0800)
Rename this CamelCase member of the private data and tidy up the mask/set
of its bits.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c patch | blob | history
drivers/staging/comedi/drivers/addi_apci_3120.c patch | blob | history

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index d4d66e490b54852533b585e685a235b566aba1b1..4231e99260ed0c588feecd92c6fbbf08bf2a90c8 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -247,10 +247,9 @@ static int apci3120_setup_chan_list(struct comedi_device *dev,
                return 1;
 
        /* Code  to set the PA and PR...Here it set PA to 0 */
-       devpriv->us_OutputRegister =
-               devpriv->us_OutputRegister & APCI3120_CLEAR_PA_PR;
-       devpriv->us_OutputRegister = ((n_chan - 1) & 0xf) << 8;
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl &= APCI3120_CLEAR_PA_PR;
+       devpriv->ctrl = ((n_chan - 1) & 0xf) << 8;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
        for (i = 0; i < n_chan; i++) {
                /*  store range list to card */
@@ -293,7 +292,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
        /*  Clear software registers */
        devpriv->timer_mode = 0;
        devpriv->b_ModeSelectRegister = 0;
-       devpriv->us_OutputRegister = 0;
+       devpriv->ctrl = 0;
 
        if (insn->unused[0] == 222) {   /*  second insn read */
                for (i = 0; i < insn->n; i++)
@@ -348,12 +347,9 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                             dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
                        /*  Sets gate 0 */
-                       devpriv->us_OutputRegister =
-                               (devpriv->
-                               us_OutputRegister & APCI3120_CLEAR_PA_PR) |
-                               APCI3120_ENABLE_TIMER0;
-                       outw(devpriv->us_OutputRegister,
-                            dev->iobase + APCI3120_WR_ADDRESS);
+                       devpriv->ctrl &= APCI3120_CLEAR_PA_PR;
+                       devpriv->ctrl |= APCI3120_ENABLE_TIMER0;
+                       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
                        /* Set the conversion time */
                        apci3120_timer_write(dev, 0, divisor);
@@ -386,13 +382,9 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                        inw(dev->iobase + APCI3120_RESET_FIFO);
                        /*  clear PA PR  and disable timer 0 */
 
-                       devpriv->us_OutputRegister =
-                               (devpriv->
-                               us_OutputRegister & APCI3120_CLEAR_PA_PR) |
-                               APCI3120_DISABLE_TIMER0;
-
-                       outw(devpriv->us_OutputRegister,
-                            dev->iobase + APCI3120_WR_ADDRESS);
+                       devpriv->ctrl &= APCI3120_CLEAR_PA_PR;
+                       devpriv->ctrl |= APCI3120_DISABLE_TIMER0;
+                       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
                        if (!apci3120_setup_chan_list(dev, s,
                                        devpriv->ui_AiNbrofChannels,
@@ -434,11 +426,8 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                        inw(dev->iobase + APCI3120_RD_STATUS);
 
                        /* Sets gate 0 */
-                       devpriv->us_OutputRegister =
-                               devpriv->
-                               us_OutputRegister | APCI3120_ENABLE_TIMER0;
-                       outw(devpriv->us_OutputRegister,
-                            dev->iobase + APCI3120_WR_ADDRESS);
+                       devpriv->ctrl |= APCI3120_ENABLE_TIMER0;
+                       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
                        /* Start conversion */
                        outw(0, dev->iobase + APCI3120_START_CONVERSION);
@@ -496,8 +485,8 @@ static int apci3120_reset(struct comedi_device *dev)
                dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
        /*  Disables all counters, ext trigger and clears PA, PR */
-       devpriv->us_OutputRegister = 0;
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl = 0;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
        inw(dev->iobase + 0);   /* make a dummy read */
        inb(dev->iobase + APCI3120_RESET_FIFO); /*  flush FIFO */
@@ -515,8 +504,8 @@ static int apci3120_exttrig_enable(struct comedi_device *dev)
 {
        struct apci3120_private *devpriv = dev->private;
 
-       devpriv->us_OutputRegister |= APCI3120_ENABLE_EXT_TRIGGER;
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl |= APCI3120_ENABLE_EXT_TRIGGER;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
        return 0;
 }
 
@@ -524,8 +513,8 @@ static int apci3120_exttrig_disable(struct comedi_device *dev)
 {
        struct apci3120_private *devpriv = dev->private;
 
-       devpriv->us_OutputRegister &= ~APCI3120_ENABLE_EXT_TRIGGER;
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl &= ~APCI3120_ENABLE_EXT_TRIGGER;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
        return 0;
 }
 
@@ -547,8 +536,8 @@ static int apci3120_cancel(struct comedi_device *dev,
        outl(0, devpriv->amcc + AMCC_OP_REG_MCSR);
 
        /* stop all counters and disable external trigger */
-       devpriv->us_OutputRegister = 0;
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl = 0;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
        /* DISABLE_ALL_INTERRUPT */
        outb(APCI3120_DISABLE_ALL_INTERRUPT,
@@ -658,7 +647,7 @@ static int apci3120_cyclic_ai(int mode,
 
        /*  clear software  registers */
        devpriv->timer_mode = 0;
-       devpriv->us_OutputRegister = 0;
+       devpriv->ctrl = 0;
        devpriv->b_ModeSelectRegister = 0;
 
        /* Clear Timer Write TC int */
@@ -667,11 +656,10 @@ static int apci3120_cyclic_ai(int mode,
 
        /* Disables All Timer     */
        /* Sets PR and PA to 0    */
-       devpriv->us_OutputRegister = devpriv->us_OutputRegister &
-               APCI3120_DISABLE_TIMER0 &
-               APCI3120_DISABLE_TIMER1 & APCI3120_CLEAR_PA_PR;
-
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl &= APCI3120_DISABLE_TIMER0 &
+                        APCI3120_DISABLE_TIMER1 &
+                        APCI3120_CLEAR_PA_PR;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
        /* Resets the FIFO */
        /* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
@@ -744,11 +732,8 @@ static int apci3120_cyclic_ai(int mode,
                         * configure Timer2 For counting EOS Reset gate 2 of Timer 2 to
                         * disable it (Set Bit D14 to 0)
                         */
-                       devpriv->us_OutputRegister =
-                               devpriv->
-                               us_OutputRegister & APCI3120_DISABLE_TIMER2;
-                       outw(devpriv->us_OutputRegister,
-                               dev->iobase + APCI3120_WR_ADDRESS);
+                       devpriv->ctrl &= APCI3120_DISABLE_TIMER2;
+                       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
                        /*  DISABLE TIMER intERRUPT */
                        devpriv->b_ModeSelectRegister =
@@ -946,28 +931,21 @@ static int apci3120_cyclic_ai(int mode,
        if (devpriv->us_UseDma == APCI3120_DISABLE &&
            cmd->stop_src == TRIG_COUNT) {
                /*  set gate 2   to start conversion */
-               devpriv->us_OutputRegister =
-                       devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER2;
-               outw(devpriv->us_OutputRegister,
-                       dev->iobase + APCI3120_WR_ADDRESS);
+               devpriv->ctrl |= APCI3120_ENABLE_TIMER2;
+               outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
        }
 
        switch (mode) {
        case 1:
                /*  set gate 0   to start conversion */
-               devpriv->us_OutputRegister =
-                       devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER0;
-               outw(devpriv->us_OutputRegister,
-                       dev->iobase + APCI3120_WR_ADDRESS);
+               devpriv->ctrl |= APCI3120_ENABLE_TIMER0;
+               outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
                break;
        case 2:
                /*  set  gate 0 and gate 1 */
-               devpriv->us_OutputRegister =
-                       devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER1;
-               devpriv->us_OutputRegister =
-                       devpriv->us_OutputRegister | APCI3120_ENABLE_TIMER0;
-               outw(devpriv->us_OutputRegister,
-                       dev->iobase + APCI3120_WR_ADDRESS);
+               devpriv->ctrl |= APCI3120_ENABLE_TIMER1 |
+                                APCI3120_ENABLE_TIMER0;
+               outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
                break;
 
        }
@@ -1301,7 +1279,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                } else {
                        /* Stops the Timer */
                        outw(devpriv->
-                               us_OutputRegister & APCI3120_DISABLE_TIMER0 &
+                               ctrl & APCI3120_DISABLE_TIMER0 &
                                APCI3120_DISABLE_TIMER1,
                                dev->iobase + APCI3120_WR_ADDRESS);
                }
@@ -1336,9 +1314,8 @@ static int apci3120_config_insn_timer(struct comedi_device *dev,
        divisor = apci3120_ns_to_timer(dev, 2, data[1], CMDF_ROUND_DOWN);
 
        /* Reset gate 2 of Timer 2 to disable it (Set Bit D14 to 0) */
-       devpriv->us_OutputRegister =
-               devpriv->us_OutputRegister & APCI3120_DISABLE_TIMER2;
-       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
+       devpriv->ctrl &= APCI3120_DISABLE_TIMER2;
+       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
        /*  Disable TIMER Interrupt */
        devpriv->b_ModeSelectRegister =
@@ -1449,11 +1426,8 @@ static int apci3120_write_insn_timer(struct comedi_device *dev,
 
                if (devpriv->b_Timer2Mode == APCI3120_TIMER) {  /* start timer */
                        /* For Timer mode is  Gate2 must be activated   timer started */
-                       devpriv->us_OutputRegister =
-                               devpriv->
-                               us_OutputRegister | APCI3120_ENABLE_TIMER2;
-                       outw(devpriv->us_OutputRegister,
-                            dev->iobase + APCI3120_WR_ADDRESS);
+                       devpriv->ctrl |= APCI3120_ENABLE_TIMER2;
+                       outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
                }
 
                break;
@@ -1482,10 +1456,8 @@ static int apci3120_write_insn_timer(struct comedi_device *dev,
                     dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
                /*  Reset Gate 2 */
-               devpriv->us_OutputRegister =
-                       devpriv->us_OutputRegister & APCI3120_DISABLE_TIMER_INT;
-               outw(devpriv->us_OutputRegister,
-                    dev->iobase + APCI3120_WR_ADDRESS);
+               devpriv->ctrl &= APCI3120_DISABLE_TIMER_INT;
+               outw(devpriv->ctrl, dev->iobase + APCI3120_WR_ADDRESS);
 
                /*  Reset FC_TIMER BIT */
                inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c
index e53561194bae5dff83a27e3d5901e8bdde3fdc1d..e320c0826d3b7003d57457ebd2f01bcb06c17bad 100644 (file)
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -86,7 +86,7 @@ struct apci3120_private {
        unsigned char do_bits;
        unsigned char timer_mode;
        unsigned char b_ModeSelectRegister;
-       unsigned short us_OutputRegister;
+       unsigned short ctrl;
        unsigned char b_Timer2Mode;
        unsigned char b_Timer2Interrupt;
        unsigned int ai_running:1;
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