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staging: comedi: mite: use the comedi_device 'mmio' member

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Use the new 'mmio' member in the comedi_device for the ioremap'ed
'daq_io_addr'.

Move the iounmap of this address from mite_detach() to the drivers
that use the mite module.

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>
This commit is contained in:
H Hartley Sweeten 2014-07-29 15:01:38 -07:00 committed by Greg Kroah-Hartman
parent 3bb7c3abe3
commit 5f8a5f4fa4
6 changed files with 118 additions and 173 deletions
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6
drivers/staging/comedi/drivers/mite.c
View file

@ -112,8 +112,8 @@ int mite_setup2(struct comedi_device *dev,
}
mite->mite_phys_addr = pci_resource_start(mite->pcidev, 0);
mite->daq_io_addr = pci_ioremap_bar(mite->pcidev, 1);
if (!mite->daq_io_addr) {
dev->mmio = pci_ioremap_bar(mite->pcidev, 1);
if (!dev->mmio) {
dev_err(dev->class_dev,
"Failed to remap daq io memory address\n");
return -ENOMEM;
@ -176,8 +176,6 @@ void mite_detach(struct mite_struct *mite)
if (mite->mite_io_addr)
iounmap(mite->mite_io_addr);
if (mite->daq_io_addr)
iounmap(mite->daq_io_addr);
kfree(mite);
}

1
drivers/staging/comedi/drivers/mite.h
View file

@ -55,7 +55,6 @@ struct mite_struct {
resource_size_t mite_phys_addr;
void __iomem *mite_io_addr;
resource_size_t daq_phys_addr;
void __iomem *daq_io_addr;
struct mite_channel channels[MAX_MITE_DMA_CHANNELS];
short channel_allocated[MAX_MITE_DMA_CHANNELS];
int num_channels;

20
drivers/staging/comedi/drivers/ni_660x.c
View file

@ -587,17 +587,14 @@ static inline void ni_660x_write_register(struct comedi_device *dev,
unsigned chip, unsigned bits,
enum ni_660x_register reg)
{
struct ni_660x_private *devpriv = dev->private;
void __iomem *write_address =
devpriv->mite->daq_io_addr + GPCT_OFFSET[chip] +
registerData[reg].offset;
unsigned int addr = GPCT_OFFSET[chip] + registerData[reg].offset;
switch (registerData[reg].size) {
case DATA_2B:
writew(bits, write_address);
writew(bits, dev->mmio + addr);
break;
case DATA_4B:
writel(bits, write_address);
writel(bits, dev->mmio + addr);
break;
default:
BUG();
@ -609,16 +606,13 @@ static inline unsigned ni_660x_read_register(struct comedi_device *dev,
unsigned chip,
enum ni_660x_register reg)
{
struct ni_660x_private *devpriv = dev->private;
void __iomem *read_address =
devpriv->mite->daq_io_addr + GPCT_OFFSET[chip] +
registerData[reg].offset;
unsigned int addr = GPCT_OFFSET[chip] + registerData[reg].offset;
switch (registerData[reg].size) {
case DATA_2B:
return readw(read_address);
return readw(dev->mmio + addr);
case DATA_4B:
return readl(read_address);
return readl(dev->mmio + addr);
default:
BUG();
break;
@ -1190,6 +1184,8 @@ static void ni_660x_detach(struct comedi_device *dev)
ni_660x_free_mite_rings(dev);
mite_detach(devpriv->mite);
}
if (dev->mmio)
iounmap(dev->mmio);
comedi_pci_disable(dev);
}

36
drivers/staging/comedi/drivers/ni_mio_common.c
View file

@ -246,60 +246,48 @@ static const int num_adc_stages_611x = 3;
static void ni_writel(struct comedi_device *dev, uint32_t data, int reg)
{
struct ni_private *devpriv = dev->private;
if (devpriv->mite)
writel(data, devpriv->mite->daq_io_addr + reg);
if (dev->mmio)
writel(data, dev->mmio + reg);
outl(data, dev->iobase + reg);
}
static void ni_writew(struct comedi_device *dev, uint16_t data, int reg)
{
struct ni_private *devpriv = dev->private;
if (devpriv->mite)
writew(data, devpriv->mite->daq_io_addr + reg);
if (dev->mmio)
writew(data, dev->mmio + reg);
outw(data, dev->iobase + reg);
}
static void ni_writeb(struct comedi_device *dev, uint8_t data, int reg)
{
struct ni_private *devpriv = dev->private;
if (devpriv->mite)
writeb(data, devpriv->mite->daq_io_addr + reg);
if (dev->mmio)
writeb(data, dev->mmio + reg);
outb(data, dev->iobase + reg);
}
static uint32_t ni_readl(struct comedi_device *dev, int reg)
{
struct ni_private *devpriv = dev->private;
if (devpriv->mite)
return readl(devpriv->mite->daq_io_addr + reg);
if (dev->mmio)
return readl(dev->mmio + reg);
return inl(dev->iobase + reg);
}
static uint16_t ni_readw(struct comedi_device *dev, int reg)
{
struct ni_private *devpriv = dev->private;
if (devpriv->mite)
return readw(devpriv->mite->daq_io_addr + reg);
if (dev->mmio)
return readw(dev->mmio + reg);
return inw(dev->iobase + reg);
}
static uint8_t ni_readb(struct comedi_device *dev, int reg)
{
struct ni_private *devpriv = dev->private;
if (devpriv->mite)
return readb(devpriv->mite->daq_io_addr + reg);
if (dev->mmio)
return readb(dev->mmio + reg);
return inb(dev->iobase + reg);
}

226
drivers/staging/comedi/drivers/ni_pcidio.c
View file

@ -312,7 +312,7 @@ static int ni_pcidio_request_di_mite_channel(struct comedi_device *dev)
devpriv->di_mite_chan->dir = COMEDI_INPUT;
writeb(primary_DMAChannel_bits(devpriv->di_mite_chan->channel) |
secondary_DMAChannel_bits(devpriv->di_mite_chan->channel),
devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
dev->mmio + DMA_Line_Control_Group1);
mmiowb();
spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
return 0;
@ -331,7 +331,7 @@ static void ni_pcidio_release_di_mite_channel(struct comedi_device *dev)
devpriv->di_mite_chan = NULL;
writeb(primary_DMAChannel_bits(0) |
secondary_DMAChannel_bits(0),
devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
dev->mmio + DMA_Line_Control_Group1);
mmiowb();
}
spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
@ -403,9 +403,8 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
/* Lock to avoid race with comedi_poll */
spin_lock(&dev->spinlock);
status = readb(devpriv->mite->daq_io_addr +
Interrupt_And_Window_Status);
flags = readb(devpriv->mite->daq_io_addr + Group_1_Flags);
status = readb(dev->mmio + Interrupt_And_Window_Status);
flags = readb(dev->mmio + Group_1_Flags);
spin_lock(&devpriv->mite_channel_lock);
if (devpriv->di_mite_chan)
@ -434,8 +433,7 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
if (work > 20) {
dev_dbg(dev->class_dev, "too much work in interrupt\n");
writeb(0x00,
devpriv->mite->daq_io_addr +
Master_DMA_And_Interrupt_Control);
dev->mmio + Master_DMA_And_Interrupt_Control);
break;
}
@ -447,64 +445,50 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
if (work > 100) {
dev_dbg(dev->class_dev,
"too much work in interrupt\n");
writeb(0x00,
devpriv->mite->daq_io_addr +
writeb(0x00, dev->mmio +
Master_DMA_And_Interrupt_Control
);
goto out;
}
auxdata =
readl(devpriv->mite->daq_io_addr +
Group_1_FIFO);
auxdata = readl(dev->mmio + Group_1_FIFO);
data1 = auxdata & 0xffff;
data2 = (auxdata & 0xffff0000) >> 16;
comedi_buf_put(s, data1);
comedi_buf_put(s, data2);
flags = readb(devpriv->mite->daq_io_addr +
Group_1_Flags);
flags = readb(dev->mmio + Group_1_Flags);
}
async->events |= COMEDI_CB_BLOCK;
}
if (flags & CountExpired) {
writeb(ClearExpired,
devpriv->mite->daq_io_addr +
Group_1_Second_Clear);
writeb(ClearExpired, dev->mmio + Group_1_Second_Clear);
async->events |= COMEDI_CB_EOA;
writeb(0x00, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, dev->mmio + OpMode);
break;
} else if (flags & Waited) {
writeb(ClearWaited,
devpriv->mite->daq_io_addr +
Group_1_First_Clear);
writeb(ClearWaited, dev->mmio + Group_1_First_Clear);
async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
break;
} else if (flags & PrimaryTC) {
writeb(ClearPrimaryTC,
devpriv->mite->daq_io_addr +
Group_1_First_Clear);
dev->mmio + Group_1_First_Clear);
async->events |= COMEDI_CB_EOA;
} else if (flags & SecondaryTC) {
writeb(ClearSecondaryTC,
devpriv->mite->daq_io_addr +
Group_1_First_Clear);
dev->mmio + Group_1_First_Clear);
async->events |= COMEDI_CB_EOA;
}
flags = readb(devpriv->mite->daq_io_addr + Group_1_Flags);
status = readb(devpriv->mite->daq_io_addr +
Interrupt_And_Window_Status);
flags = readb(dev->mmio + Group_1_Flags);
status = readb(dev->mmio + Interrupt_And_Window_Status);
}
out:
cfc_handle_events(dev, s);
#if 0
if (!tag) {
writeb(0x03,
devpriv->mite->daq_io_addr +
Master_DMA_And_Interrupt_Control);
}
if (!tag)
writeb(0x03, dev->mmio + Master_DMA_And_Interrupt_Control);
#endif
spin_unlock(&dev->spinlock);
@ -516,14 +500,13 @@ static int ni_pcidio_insn_config(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
struct nidio96_private *devpriv = dev->private;
int ret;
ret = comedi_dio_insn_config(dev, s, insn, data, 0);
if (ret)
return ret;
writel(s->io_bits, devpriv->mite->daq_io_addr + Port_Pin_Directions(0));
writel(s->io_bits, dev->mmio + Port_Pin_Directions(0));
return insn->n;
}
@ -533,12 +516,10 @@ static int ni_pcidio_insn_bits(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
struct nidio96_private *devpriv = dev->private;
if (comedi_dio_update_state(s, data))
writel(s->state, devpriv->mite->daq_io_addr + Port_IO(0));
writel(s->state, dev->mmio + Port_IO(0));
data[1] = readl(devpriv->mite->daq_io_addr + Port_IO(0));
data[1] = readl(dev->mmio + Port_IO(0));
return insn->n;
}
@ -650,7 +631,7 @@ static int ni_pcidio_inttrig(struct comedi_device *dev,
if (trig_num != cmd->start_arg)
return -EINVAL;
writeb(devpriv->OpModeBits, devpriv->mite->daq_io_addr + OpMode);
writeb(devpriv->OpModeBits, dev->mmio + OpMode);
s->async->inttrig = NULL;
return 1;
@ -662,79 +643,76 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
struct comedi_cmd *cmd = &s->async->cmd;
/* XXX configure ports for input */
writel(0x0000, devpriv->mite->daq_io_addr + Port_Pin_Directions(0));
writel(0x0000, dev->mmio + Port_Pin_Directions(0));
if (1) {
/* enable fifos A B C D */
writeb(0x0f, devpriv->mite->daq_io_addr + Data_Path);
writeb(0x0f, dev->mmio + Data_Path);
/* set transfer width a 32 bits */
writeb(TransferWidth(0) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
dev->mmio + Transfer_Size_Control);
} else {
writeb(0x03, devpriv->mite->daq_io_addr + Data_Path);
writeb(0x03, dev->mmio + Data_Path);
writeb(TransferWidth(3) | TransferLength(0),
devpriv->mite->daq_io_addr + Transfer_Size_Control);
dev->mmio + Transfer_Size_Control);
}
/* protocol configuration */
if (cmd->scan_begin_src == TRIG_TIMER) {
/* page 4-5, "input with internal REQs" */
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(1, devpriv->mite->daq_io_addr + Sequence);
writeb(0x04, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
writeb(3, devpriv->mite->daq_io_addr + LinePolarities);
writeb(0xc0, devpriv->mite->daq_io_addr + AckSer);
writeb(0, dev->mmio + OpMode);
writeb(0x00, dev->mmio + ClockReg);
writeb(1, dev->mmio + Sequence);
writeb(0x04, dev->mmio + ReqReg);
writeb(4, dev->mmio + BlockMode);
writeb(3, dev->mmio + LinePolarities);
writeb(0xc0, dev->mmio + AckSer);
writel(ni_pcidio_ns_to_timer(&cmd->scan_begin_arg,
TRIG_ROUND_NEAREST),
devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0b, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x01, devpriv->mite->daq_io_addr + Data1Delay);
dev->mmio + StartDelay);
writeb(1, dev->mmio + ReqDelay);
writeb(1, dev->mmio + ReqNotDelay);
writeb(1, dev->mmio + AckDelay);
writeb(0x0b, dev->mmio + AckNotDelay);
writeb(0x01, dev->mmio + Data1Delay);
/* manual, page 4-5: ClockSpeed comment is incorrectly listed
* on DAQOptions */
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0, devpriv->mite->daq_io_addr + DAQOptions);
writew(0, dev->mmio + ClockSpeed);
writeb(0, dev->mmio + DAQOptions);
} else {
/* TRIG_EXT */
/* page 4-5, "input with external REQs" */
writeb(0, devpriv->mite->daq_io_addr + OpMode);
writeb(0x00, devpriv->mite->daq_io_addr + ClockReg);
writeb(0, devpriv->mite->daq_io_addr + Sequence);
writeb(0x00, devpriv->mite->daq_io_addr + ReqReg);
writeb(4, devpriv->mite->daq_io_addr + BlockMode);
if (!(cmd->scan_begin_arg & CR_INVERT)) {
/* Leading Edge pulse mode */
writeb(0, devpriv->mite->daq_io_addr + LinePolarities);
} else {
/* Trailing Edge pulse mode */
writeb(2, devpriv->mite->daq_io_addr + LinePolarities);
}
writeb(0x00, devpriv->mite->daq_io_addr + AckSer);
writel(1, devpriv->mite->daq_io_addr + StartDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqDelay);
writeb(1, devpriv->mite->daq_io_addr + ReqNotDelay);
writeb(1, devpriv->mite->daq_io_addr + AckDelay);
writeb(0x0C, devpriv->mite->daq_io_addr + AckNotDelay);
writeb(0x10, devpriv->mite->daq_io_addr + Data1Delay);
writew(0, devpriv->mite->daq_io_addr + ClockSpeed);
writeb(0x60, devpriv->mite->daq_io_addr + DAQOptions);
writeb(0, dev->mmio + OpMode);
writeb(0x00, dev->mmio + ClockReg);
writeb(0, dev->mmio + Sequence);
writeb(0x00, dev->mmio + ReqReg);
writeb(4, dev->mmio + BlockMode);
if (!(cmd->scan_begin_arg & CR_INVERT)) /* Leading Edge */
writeb(0, dev->mmio + LinePolarities);
else /* Trailing Edge */
writeb(2, dev->mmio + LinePolarities);
writeb(0x00, dev->mmio + AckSer);
writel(1, dev->mmio + StartDelay);
writeb(1, dev->mmio + ReqDelay);
writeb(1, dev->mmio + ReqNotDelay);
writeb(1, dev->mmio + AckDelay);
writeb(0x0C, dev->mmio + AckNotDelay);
writeb(0x10, dev->mmio + Data1Delay);
writew(0, dev->mmio + ClockSpeed);
writeb(0x60, dev->mmio + DAQOptions);
}
if (cmd->stop_src == TRIG_COUNT) {
writel(cmd->stop_arg,
devpriv->mite->daq_io_addr + Transfer_Count);
dev->mmio + Transfer_Count);
} else {
/* XXX */
}
#ifdef USE_DMA
writeb(ClearPrimaryTC | ClearSecondaryTC,
devpriv->mite->daq_io_addr + Group_1_First_Clear);
dev->mmio + Group_1_First_Clear);
{
int retval = setup_mite_dma(dev, s);
@ -743,18 +721,16 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
return retval;
}
#else
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
writeb(0x00, dev->mmio + DMA_Line_Control_Group1);
#endif
writeb(0x00, devpriv->mite->daq_io_addr + DMA_Line_Control_Group2);
writeb(0x00, dev->mmio + DMA_Line_Control_Group2);
/* clear and enable interrupts */
writeb(0xff, devpriv->mite->daq_io_addr + Group_1_First_Clear);
/* writeb(ClearExpired,
devpriv->mite->daq_io_addr+Group_1_Second_Clear); */
writeb(0xff, dev->mmio + Group_1_First_Clear);
/* writeb(ClearExpired, dev->mmio+Group_1_Second_Clear); */
writeb(IntEn, devpriv->mite->daq_io_addr + Interrupt_Control);
writeb(0x03,
devpriv->mite->daq_io_addr + Master_DMA_And_Interrupt_Control);
writeb(IntEn, dev->mmio + Interrupt_Control);
writeb(0x03, dev->mmio + Master_DMA_And_Interrupt_Control);
if (cmd->stop_src == TRIG_NONE) {
devpriv->OpModeBits = DataLatching(0) | RunMode(7);
@ -763,8 +739,7 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
}
if (cmd->start_src == TRIG_NOW) {
/* start */
writeb(devpriv->OpModeBits,
devpriv->mite->daq_io_addr + OpMode);
writeb(devpriv->OpModeBits, dev->mmio + OpMode);
s->async->inttrig = NULL;
} else {
/* TRIG_INT */
@ -777,10 +752,7 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
static int ni_pcidio_cancel(struct comedi_device *dev,
struct comedi_subdevice *s)
{
struct nidio96_private *devpriv = dev->private;
writeb(0x00,
devpriv->mite->daq_io_addr + Master_DMA_And_Interrupt_Control);
writeb(0x00, dev->mmio + Master_DMA_And_Interrupt_Control);
ni_pcidio_release_di_mite_channel(dev);
return 0;
@ -805,19 +777,16 @@ static int pci_6534_load_fpga(struct comedi_device *dev,
const u8 *data, size_t data_len,
unsigned long context)
{
struct nidio96_private *devpriv = dev->private;
static const int timeout = 1000;
int fpga_index = context;
int i;
size_t j;
writew(0x80 | fpga_index,
devpriv->mite->daq_io_addr + Firmware_Control_Register);
writew(0xc0 | fpga_index,
devpriv->mite->daq_io_addr + Firmware_Control_Register);
writew(0x80 | fpga_index, dev->mmio + Firmware_Control_Register);
writew(0xc0 | fpga_index, dev->mmio + Firmware_Control_Register);
for (i = 0;
(readw(devpriv->mite->daq_io_addr +
Firmware_Status_Register) & 0x2) == 0 && i < timeout; ++i) {
(readw(dev->mmio + Firmware_Status_Register) & 0x2) == 0 &&
i < timeout; ++i) {
udelay(1);
}
if (i == timeout) {
@ -826,11 +795,10 @@ static int pci_6534_load_fpga(struct comedi_device *dev,
fpga_index);
return -EIO;
}
writew(0x80 | fpga_index,
devpriv->mite->daq_io_addr + Firmware_Control_Register);
writew(0x80 | fpga_index, dev->mmio + Firmware_Control_Register);
for (i = 0;
readw(devpriv->mite->daq_io_addr + Firmware_Status_Register) !=
0x3 && i < timeout; ++i) {
readw(dev->mmio + Firmware_Status_Register) != 0x3 &&
i < timeout; ++i) {
udelay(1);
}
if (i == timeout) {
@ -843,11 +811,9 @@ static int pci_6534_load_fpga(struct comedi_device *dev,
unsigned int value = data[j++];
value |= data[j++] << 8;
writew(value,
devpriv->mite->daq_io_addr + Firmware_Data_Register);
writew(value, dev->mmio + Firmware_Data_Register);
for (i = 0;
(readw(devpriv->mite->daq_io_addr +
Firmware_Status_Register) & 0x2) == 0
(readw(dev->mmio + Firmware_Status_Register) & 0x2) == 0
&& i < timeout; ++i) {
udelay(1);
}
@ -860,7 +826,7 @@ static int pci_6534_load_fpga(struct comedi_device *dev,
if (need_resched())
schedule();
}
writew(0x0, devpriv->mite->daq_io_addr + Firmware_Control_Register);
writew(0x0, dev->mmio + Firmware_Control_Register);
return 0;
}
@ -871,30 +837,27 @@ static int pci_6534_reset_fpga(struct comedi_device *dev, int fpga_index)
static int pci_6534_reset_fpgas(struct comedi_device *dev)
{
struct nidio96_private *devpriv = dev->private;
int ret;
int i;
writew(0x0, devpriv->mite->daq_io_addr + Firmware_Control_Register);
writew(0x0, dev->mmio + Firmware_Control_Register);
for (i = 0; i < 3; ++i) {
ret = pci_6534_reset_fpga(dev, i);
if (ret < 0)
break;
}
writew(0x0, devpriv->mite->daq_io_addr + Firmware_Mask_Register);
writew(0x0, dev->mmio + Firmware_Mask_Register);
return ret;
}
static void pci_6534_init_main_fpga(struct comedi_device *dev)
{
struct nidio96_private *devpriv = dev->private;
writel(0, devpriv->mite->daq_io_addr + FPGA_Control1_Register);
writel(0, devpriv->mite->daq_io_addr + FPGA_Control2_Register);
writel(0, devpriv->mite->daq_io_addr + FPGA_SCALS_Counter_Register);
writel(0, devpriv->mite->daq_io_addr + FPGA_SCAMS_Counter_Register);
writel(0, devpriv->mite->daq_io_addr + FPGA_SCBLS_Counter_Register);
writel(0, devpriv->mite->daq_io_addr + FPGA_SCBMS_Counter_Register);
writel(0, dev->mmio + FPGA_Control1_Register);
writel(0, dev->mmio + FPGA_Control2_Register);
writel(0, dev->mmio + FPGA_SCALS_Counter_Register);
writel(0, dev->mmio + FPGA_SCAMS_Counter_Register);
writel(0, dev->mmio + FPGA_SCBLS_Counter_Register);
writel(0, dev->mmio + FPGA_SCBMS_Counter_Register);
}
static int pci_6534_upload_firmware(struct comedi_device *dev)
@ -926,15 +889,12 @@ static int pci_6534_upload_firmware(struct comedi_device *dev)
static void nidio_reset_board(struct comedi_device *dev)
{
struct nidio96_private *devpriv = dev->private;
void __iomem *daq_mmio = devpriv->mite->daq_io_addr;
writel(0, daq_mmio + Port_IO(0));
writel(0, daq_mmio + Port_Pin_Directions(0));
writel(0, daq_mmio + Port_Pin_Mask(0));
writel(0, dev->mmio + Port_IO(0));
writel(0, dev->mmio + Port_Pin_Directions(0));
writel(0, dev->mmio + Port_Pin_Mask(0));
/* disable interrupts on board */
writeb(0, daq_mmio + Master_DMA_And_Interrupt_Control);
writeb(0, dev->mmio + Master_DMA_And_Interrupt_Control);
}
static int nidio_auto_attach(struct comedi_device *dev,
@ -989,7 +949,7 @@ static int nidio_auto_attach(struct comedi_device *dev,
return ret;
dev_info(dev->class_dev, "%s rev=%d\n", dev->board_name,
readb(devpriv->mite->daq_io_addr + Chip_Version));
readb(dev->mmio + Chip_Version));
s = &dev->subdevices[0];
@ -1035,6 +995,8 @@ static void nidio_detach(struct comedi_device *dev)
}
mite_detach(devpriv->mite);
}
if (dev->mmio)
iounmap(dev->mmio);
comedi_pci_disable(dev);
}

2
drivers/staging/comedi/drivers/ni_pcimio.c
View file

@ -1123,6 +1123,8 @@ static void pcimio_detach(struct comedi_device *dev)
mite_free_ring(devpriv->gpct_mite_ring[1]);
mite_detach(devpriv->mite);
}
if (dev->mmio)
iounmap(dev->mmio);
comedi_pci_disable(dev);
}