staging: comedi: addi_apci_3xxx: rename 'dw_AiBase' in private data

This variable holds the ioremap'ed PCI bar 3 used to read/write the
analog input and output registers. Rename it to simply 'mmio'.

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>

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
index ffdddeec175e0da7bb922e347c9c22ce2acba049..f9e8fdb7c8a14fc8015fc2c01bb09f5a40a73c06 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
@@ -27,7 +27,7 @@ static int i_APCI3XXX_TestConversionStarted(struct comedi_device *dev)
 {
        struct apci3xxx_private *devpriv = dev->private;
 
-       if ((readl(devpriv->dw_AiBase + 8) & 0x80000UL) == 0x80000UL)
+       if ((readl(devpriv->mmio + 8) & 0x80000) == 0x80000)
                return 1;
        else
                return 0;
@@ -164,13 +164,13 @@ static int i_APCI3XXX_AnalogInputConfigOperatingMode(struct comedi_device *dev,
                              /*******************************/
 
                                                                writel((unsigned int)b_TimeBase,
-                                                                       devpriv->dw_AiBase + 36);
+                                                                       devpriv->mmio + 36);
 
                              /**************************/
                                                                /* Set the convert timing */
                              /*************************/
 
-                                                               writel(dw_ReloadValue, devpriv->dw_AiBase + 32);
+                                                               writel(dw_ReloadValue, devpriv->mmio + 32);
                                                        } else {
                              /**************************/
                                                                /* Any conversion started */
@@ -304,29 +304,29 @@ static int apci3xxx_ai_insn_read(struct comedi_device *dev,
                return -EBUSY;
 
        /* Clear the FIFO */
-       writel(0x10000, devpriv->dw_AiBase + 12);
+       writel(0x10000, devpriv->mmio + 12);
 
        /* Get and save the delay mode */
-       delay_mode = readl(devpriv->dw_AiBase + 4);
+       delay_mode = readl(devpriv->mmio + 4);
        delay_mode &= 0xfffffef0;
 
        /* Channel configuration selection */
-       writel(delay_mode, devpriv->dw_AiBase + 4);
+       writel(delay_mode, devpriv->mmio + 4);
 
        /* Make the configuration */
        val = (range & 3) | ((range >> 2) << 6) |
              (devpriv->b_SingelDiff << 7);
-       writel(val, devpriv->dw_AiBase + 0);
+       writel(val, devpriv->mmio + 0);
 
        /* Channel selection */
-       writel(delay_mode | 0x100, devpriv->dw_AiBase + 4);
-       writel(chan, devpriv->dw_AiBase + 0);
+       writel(delay_mode | 0x100, devpriv->mmio + 4);
+       writel(chan, devpriv->mmio + 0);
 
        /* Restore delay mode */
-       writel(delay_mode, devpriv->dw_AiBase + 4);
+       writel(delay_mode, devpriv->mmio + 4);
 
        /* Set the number of sequence to 1 */
-       writel(1, devpriv->dw_AiBase + 48);
+       writel(1, devpriv->mmio + 48);
 
        /* Save the interrupt flag */
        devpriv->b_EocEosInterrupt = use_interrupt;
@@ -338,20 +338,20 @@ static int apci3xxx_ai_insn_read(struct comedi_device *dev,
        if (!use_interrupt) {
                for (i = 0; i < insn->n; i++) {
                        /* Start the conversion */
-                       writel(0x80000, devpriv->dw_AiBase + 8);
+                       writel(0x80000, devpriv->mmio + 8);
 
                        /* Wait the EOS */
                        do {
-                               val = readl(devpriv->dw_AiBase + 20);
+                               val = readl(devpriv->mmio + 20);
                                val &= 0x1;
                        } while (!val);
 
                        /* Read the analog value */
-                       data[i] = readl(devpriv->dw_AiBase + 28);
+                       data[i] = readl(devpriv->mmio + 28);
                }
        } else {
                /* Start the conversion */
-               writel(0x180000, devpriv->dw_AiBase + 8);
+               writel(0x180000, devpriv->mmio + 8);
        }
 
        return insn->n;

diff --git a/drivers/staging/comedi/drivers/addi_apci_3xxx.c b/drivers/staging/comedi/drivers/addi_apci_3xxx.c
index 90f9749703945701d778b8f835c666ac99c747a2..1c013da80b715153bfb70f944b69422f77b002f1 100644 (file)
--- a/drivers/staging/comedi/drivers/addi_apci_3xxx.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3xxx.c
@@ -367,7 +367,7 @@ static const struct apci3xxx_boardinfo apci3xxx_boardtypes[] = {
 };
 
 struct apci3xxx_private {
-       void __iomem *dw_AiBase;
+       void __iomem *mmio;
        unsigned int ui_AiNbrofChannels;        /*  how many channels is measured */
        unsigned int ui_AiReadData[32];
        unsigned char b_EocEosInterrupt;
@@ -387,10 +387,10 @@ static irqreturn_t apci3xxx_irq_handler(int irq, void *d)
        int i;
 
        /* Test if interrupt occur */
-       status = readl(devpriv->dw_AiBase + 16);
+       status = readl(devpriv->mmio + 16);
        if ((status & 0x2) == 0x2) {
                /* Reset the interrupt */
-               writel(status, devpriv->dw_AiBase + 16);
+               writel(status, devpriv->mmio + 16);
 
                /* Test if interrupt enabled */
                if (devpriv->b_EocEosInterrupt == 1) {
@@ -398,7 +398,7 @@ static irqreturn_t apci3xxx_irq_handler(int irq, void *d)
                        for (i = 0; i < devpriv->ui_AiNbrofChannels; i++) {
                                unsigned int val;
 
-                               val = readl(devpriv->dw_AiBase + 28);
+                               val = readl(devpriv->mmio + 28);
                                devpriv->ui_AiReadData[i] = val;
                        }
 
@@ -425,14 +425,14 @@ static int apci3xxx_ao_insn_write(struct comedi_device *dev,
 
        for (i = 0; i < insn->n; i++) {
                /* Set the range selection */
-               writel(range, devpriv->dw_AiBase + 96);
+               writel(range, devpriv->mmio + 96);
 
                /* Write the analog value to the selected channel */
-               writel((data[i] << 8) | chan, devpriv->dw_AiBase + 100);
+               writel((data[i] << 8) | chan, devpriv->mmio + 100);
 
                /* Wait the end of transfer */
                do {
-                       status = readl(devpriv->dw_AiBase + 96);
+                       status = readl(devpriv->mmio + 96);
                } while ((status & 0x100) != 0x100);
        }
 
@@ -558,18 +558,18 @@ static int apci3xxx_reset(struct comedi_device *dev)
        devpriv->b_EocEosInterrupt = 0;
 
        /* Clear the start command */
-       writel(0, devpriv->dw_AiBase + 8);
+       writel(0, devpriv->mmio + 8);
 
        /* Reset the interrupt flags */
-       val = readl(devpriv->dw_AiBase + 16);
-       writel(val, devpriv->dw_AiBase + 16);
+       val = readl(devpriv->mmio + 16);
+       writel(val, devpriv->mmio + 16);
 
        /* clear the EOS */
-       readl(devpriv->dw_AiBase + 20);
+       readl(devpriv->mmio + 20);
 
        /* Clear the FIFO */
        for (i = 0; i < 16; i++)
-               val = readl(devpriv->dw_AiBase + 28);
+               val = readl(devpriv->mmio + 28);
 
        /* Enable the interrupt */
        enable_irq(dev->irq);
@@ -603,7 +603,7 @@ static int apci3xxx_auto_attach(struct comedi_device *dev,
                return ret;
 
        dev->iobase = pci_resource_start(pcidev, 2);
-       devpriv->dw_AiBase = pci_ioremap_bar(pcidev, 3);
+       devpriv->mmio = pci_ioremap_bar(pcidev, 3);
 
        if (pcidev->irq > 0) {
                ret = request_irq(pcidev->irq, apci3xxx_irq_handler,
@@ -717,8 +717,8 @@ static void apci3xxx_detach(struct comedi_device *dev)
                        apci3xxx_reset(dev);
                if (dev->irq)
                        free_irq(dev->irq, dev);
-               if (devpriv->dw_AiBase)
-                       iounmap(devpriv->dw_AiBase);
+               if (devpriv->mmio)
+                       iounmap(devpriv->mmio);
        }
        comedi_pci_disable(dev);
 }