There are a log of "#if 0" or "#if 1" in comedi driver which
cause warning when running checkpatch.pl, they are supposed to
be cleaned up before release.

Signed-off-by: chensong <chensong_2...@189.cn>
---
 drivers/staging/comedi/drivers/cb_pcidas64.c   | 95 --------------------------
 drivers/staging/comedi/drivers/dt2801.c        | 29 --------
 drivers/staging/comedi/drivers/ni_atmio16d.c   |  9 ---
 drivers/staging/comedi/drivers/ni_mio_common.c | 37 +---------
 drivers/staging/comedi/drivers/ni_mio_cs.c     | 10 ---
 drivers/staging/comedi/drivers/ni_pcidio.c     |  5 --
 drivers/staging/comedi/drivers/ni_pcimio.c     | 48 -------------
 drivers/staging/comedi/drivers/s526.c          | 49 -------------
 drivers/staging/comedi/drivers/s626.c          | 45 ------------
 9 files changed, 1 insertion(+), 326 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c 
b/drivers/staging/comedi/drivers/cb_pcidas64.c
index fa987bb..2d74ec9 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -998,101 +998,6 @@ static const struct pcidas64_board pcidas64_boards[] = {
                .ai_fifo        = &ai_fifo_4020,
                .has_8255       = 1,
        },
-#if 0
-       /* The device id for these boards is unknown */
-
-       [BOARD_PCIDAS6402_16_JR] = {
-               .name           = "pci-das6402/16/jr",
-               .ai_se_chans    = 64,
-               .ai_bits        = 16,
-               .ai_speed       = 5000,
-               .ao_nchan       = 0,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64xx,
-               .ai_range_code  = ai_range_code_64xx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-       [BOARD_PCIDAS64_M1_16_JR] = {
-               .name           = "pci-das64/m1/16/jr",
-               .ai_se_chans    = 64,
-               .ai_bits        = 16,
-               .ai_speed       = 1000,
-               .ao_nchan       = 0,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64_mx,
-               .ai_range_code  = ai_range_code_64_mx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-       [BOARD_PCIDAS64_M2_16_JR] = {
-               .name = "pci-das64/m2/16/jr",
-               .ai_se_chans    = 64,
-               .ai_bits        = 16,
-               .ai_speed       = 500,
-               .ao_nchan       = 0,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64_mx,
-               .ai_range_code  = ai_range_code_64_mx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-       [BOARD_PCIDAS64_M3_16_JR] = {
-               .name           = "pci-das64/m3/16/jr",
-               .ai_se_chans    = 64,
-               .ai_bits        = 16,
-               .ai_speed       = 333,
-               .ao_nchan       = 0,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64_mx,
-               .ai_range_code  = ai_range_code_64_mx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-       [BOARD_PCIDAS64_M1_14] = {
-               .name           = "pci-das64/m1/14",
-               .ai_se_chans    = 64,
-               .ai_bits        = 14,
-               .ai_speed       = 1000,
-               .ao_nchan       = 2,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64_mx,
-               .ai_range_code  = ai_range_code_64_mx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-       [BOARD_PCIDAS64_M2_14] = {
-               .name           = "pci-das64/m2/14",
-               .ai_se_chans    = 64,
-               .ai_bits        = 14,
-               .ai_speed       = 500,
-               .ao_nchan       = 2,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64_mx,
-               .ai_range_code  = ai_range_code_64_mx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-       [BOARD_PCIDAS64_M3_14] = {
-               .name           = "pci-das64/m3/14",
-               .ai_se_chans    = 64,
-               .ai_bits        = 14,
-               .ai_speed       = 333,
-               .ao_nchan       = 2,
-               .ao_scan_speed  = 10000,
-               .layout         = LAYOUT_64XX,
-               .ai_range_table = &ai_ranges_64_mx,
-               .ai_range_code  = ai_range_code_64_mx,
-               .ai_fifo        = ai_fifo_64xx,
-               .has_8255       = 1,
-       },
-#endif
 };
 
 static inline unsigned short se_diff_bit_6xxx(struct comedi_device *dev,
diff --git a/drivers/staging/comedi/drivers/dt2801.c 
b/drivers/staging/comedi/drivers/dt2801.c
index 0d571d8..bb01416 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -87,17 +87,6 @@
 #define DT2801_STATUS          1
 #define DT2801_CMD             1
 
-#if 0
-/* ignore 'defined but not used' warning */
-static const struct comedi_lrange range_dt2801_ai_pgh_bipolar = {
-       4, {
-               BIP_RANGE(10),
-               BIP_RANGE(5),
-               BIP_RANGE(2.5),
-               BIP_RANGE(1.25)
-       }
-};
-#endif
 static const struct comedi_lrange range_dt2801_ai_pgl_bipolar = {
        4, {
                BIP_RANGE(10),
@@ -107,17 +96,6 @@ static const struct comedi_lrange 
range_dt2801_ai_pgl_bipolar = {
        }
 };
 
-#if 0
-/* ignore 'defined but not used' warning */
-static const struct comedi_lrange range_dt2801_ai_pgh_unipolar = {
-       4, {
-               UNI_RANGE(10),
-               UNI_RANGE(5),
-               UNI_RANGE(2.5),
-               UNI_RANGE(1.25)
-       }
-};
-#endif
 static const struct comedi_lrange range_dt2801_ai_pgl_unipolar = {
        4, {
                UNI_RANGE(10),
@@ -580,14 +558,7 @@ static int dt2801_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        /* ai subdevice */
        s->type = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE | SDF_GROUND;
-#if 1
        s->n_chan = n_ai_chans;
-#else
-       if (it->options[2])
-               s->n_chan = board->ad_chan;
-       else
-               s->n_chan = board->ad_chan / 2;
-#endif
        s->maxdata = (1 << board->adbits) - 1;
        s->range_table = ai_range_lkup(board->adrangetype, it->options[3]);
        s->insn_read = dt2801_ai_insn_read;
diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c 
b/drivers/staging/comedi/drivers/ni_atmio16d.c
index dffce1a..972e220 100644
--- a/drivers/staging/comedi/drivers/ni_atmio16d.c
+++ b/drivers/staging/comedi/drivers/ni_atmio16d.c
@@ -685,15 +685,6 @@ static int atmio16d_attach(struct comedi_device *dev,
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-/* don't yet know how to deal with counter/timers */
-#if 0
-       s = &dev->subdevices[4];
-       /* do */
-       s->type = COMEDI_SUBD_TIMER;
-       s->n_chan = 0;
-       s->maxdata = 0
-#endif
-
        return 0;
 }
 
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c 
b/drivers/staging/comedi/drivers/ni_mio_common.c
index 4f80a49..85ab35ed 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -795,18 +795,6 @@ static void ni_clear_ai_fifo(struct comedi_device *dev)
                if (devpriv->is_625x) {
                        ni_writeb(dev, 0, NI_M_STATIC_AI_CTRL_REG(0));
                        ni_writeb(dev, 1, NI_M_STATIC_AI_CTRL_REG(0));
-#if 0
-                       /*
-                        * The NI example code does 3 convert pulses for 625x
-                        * boards, But that appears to be wrong in practice.
-                        */
-                       ni_stc_writew(dev, NISTC_AI_CMD1_CONVERT_PULSE,
-                                     NISTC_AI_CMD1_REG);
-                       ni_stc_writew(dev, NISTC_AI_CMD1_CONVERT_PULSE,
-                                     NISTC_AI_CMD1_REG);
-                       ni_stc_writew(dev, NISTC_AI_CMD1_CONVERT_PULSE,
-                                     NISTC_AI_CMD1_REG);
-#endif
                }
        }
 }
@@ -2930,21 +2918,7 @@ static void ni_ao_cmd_personalize(struct comedi_device 
*dev,
          (board->ao_fifo_depth ?
            NISTC_AO_PERSONAL_FIFO_ENA : NISTC_AO_PERSONAL_DMA_PIO_CTRL)
          ;
-#if 0
-       /*
-        * FIXME:
-        * add something like ".has_individual_dacs = 0" to ni_board_struct
-        * since, as F Hess pointed out, not all in m series have singles.  not
-        * sure if e-series all have duals...
-        */
 
-       /*
-        * F Hess: windows driver does not set NISTC_AO_PERSONAL_NUM_DAC bit for
-        * 6281, verified with bus analyzer.
-        */
-       if (devpriv->is_m_series)
-               bits |= NISTC_AO_PERSONAL_NUM_DAC;
-#endif
        ni_stc_writew(dev, bits, NISTC_AO_PERSONAL_REG);
 
        ni_stc_writew(dev, NISTC_RESET_AO_CFG_END, NISTC_RESET_REG);
@@ -4857,21 +4831,12 @@ static int init_cs5529(struct comedi_device *dev)
        unsigned int config_bits = CS5529_CFG_PORT_FLAG |
                                   CS5529_CFG_WORD_RATE_2180;
 
-#if 1
        /* do self-calibration */
        cs5529_config_write(dev, config_bits | CS5529_CFG_CALIB_BOTH_SELF,
                            CS5529_CFG_REG);
        /* need to force a conversion for calibration to run */
        cs5529_do_conversion(dev, NULL);
-#else
-       /* force gain calibration to 1 */
-       cs5529_config_write(dev, 0x400000, CS5529_GAIN_REG);
-       cs5529_config_write(dev, config_bits | CS5529_CFG_CALIB_OFFSET_SELF,
-                           CS5529_CFG_REG);
-       if (cs5529_wait_for_idle(dev))
-               dev_err(dev->class_dev,
-                       "timeout or signal in %s\n", __func__);
-#endif
+
        return 0;
 }
 
diff --git a/drivers/staging/comedi/drivers/ni_mio_cs.c 
b/drivers/staging/comedi/drivers/ni_mio_cs.c
index 4f37b4e..7abd64b 100644
--- a/drivers/staging/comedi/drivers/ni_mio_cs.c
+++ b/drivers/staging/comedi/drivers/ni_mio_cs.c
@@ -100,16 +100,6 @@ static const struct ni_board_struct ni_boards[] = {
                .ao_speed       = 1000000,
                .caldac         = { ad8804_debug },
         },
-#if 0
-       {
-               .name           = "DAQCard-6715",
-               .device_id      = 0x0000,       /* unknown */
-               .n_aochan       = 8,
-               .ao_maxdata     = 0x0fff,
-               .ao_671x        = 8192,
-               .caldac         = { mb88341, mb88341 },
-       },
-#endif
 };
 
 #include "ni_mio_common.c"
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c 
b/drivers/staging/comedi/drivers/ni_pcidio.c
index 623f8d0..579d8eb 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -455,11 +455,6 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
 
 out:
        comedi_handle_events(dev, s);
-#if 0
-       if (!tag)
-               writeb(0x03, dev->mmio + MASTER_DMA_AND_INTERRUPT_CONTROL);
-#endif
-
        spin_unlock(&dev->spinlock);
        return IRQ_HANDLED;
 }
diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c 
b/drivers/staging/comedi/drivers/ni_pcimio.c
index 6c813a4..8b716ed 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -481,43 +481,6 @@ static const struct ni_board_struct ni_boards[] = {
                .ao_speed       = 250,
                .caldac         = { ad8804, ad8804 },
        },
-#if 0
-       /* The 6115 boards probably need their own driver */
-       [BOARD_PCI6115] = {     /* .device_id = 0x2ed0, */
-               .name           = "pci-6115",
-               .n_adchan       = 4,
-               .ai_maxdata     = 0x0fff,
-               .ai_fifo_depth  = 8192,
-               .gainlkup       = ai_gain_611x,
-               .ai_speed       = 100,
-               .n_aochan       = 2,
-               .ao_maxdata     = 0xffff,
-               .ao_671x        = 1,
-               .ao_fifo_depth  = 2048,
-               .ao_speed       = 250,
-               .reg_611x       = 1,
-               /* XXX */
-               .caldac         = { ad8804_debug, ad8804_debug, ad8804_debug },
-       },
-#endif
-#if 0
-       [BOARD_PXI6115] = {     /* .device_id = ????, */
-               .name           = "pxi-6115",
-               .n_adchan       = 4,
-               .ai_maxdata     = 0x0fff,
-               .ai_fifo_depth  = 8192,
-               .gainlkup       = ai_gain_611x,
-               .ai_speed       = 100,
-               .n_aochan       = 2,
-               .ao_maxdata     = 0xffff,
-               .ao_671x        = 1,
-               .ao_fifo_depth  = 2048,
-               .ao_speed       = 250,
-               .reg_611x       = 1,
-               /* XXX */
-               .caldac         = { ad8804_debug, ad8804_debug, ad8804_debug },
-       },
-#endif
        [BOARD_PCI6711] = {
                .name = "pci-6711",
                .n_aochan       = 4,
@@ -569,17 +532,6 @@ static const struct ni_board_struct ni_boards[] = {
                .reg_type       = ni_reg_6711,
                .caldac         = { ad8804_debug },
        },
-#if 0
-       [BOARD_PXI6731] = {     /* .device_id = ????, */
-               .name           = "pxi-6731",
-               .n_aochan       = 4,
-               .ao_maxdata     = 0xffff,
-               .ao_fifo_depth  = 8192,
-               .ao_range_table = &range_bipolar10,
-               .reg_type       = ni_reg_6711,
-               .caldac         = { ad8804_debug },
-       },
-#endif
        [BOARD_PCI6733] = {
                .name           = "pci-6733",
                .n_aochan       = 8,
diff --git a/drivers/staging/comedi/drivers/s526.c 
b/drivers/staging/comedi/drivers/s526.c
index 085cf5b..7f3c59e 100644
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -229,7 +229,6 @@ static int s526_gpct_insn_config(struct comedi_device *dev,
                 */
                devpriv->gpct_config[chan] = data[0];
 
-#if 1
                /*  Set Counter Mode Register */
                val = data[1] & 0xffff;
                outw(val, dev->iobase + S526_GPCT_MODE_REG(chan));
@@ -246,54 +245,6 @@ static int s526_gpct_insn_config(struct comedi_device *dev,
                         *      dev->iobase + S526_GPCT_CTRL_REG(chan));
                         */
                }
-#else
-               val = S526_GPCT_MODE_CTDIR_CTRL_QUAD;
-
-               /*  data[1] contains GPCT_X1, GPCT_X2 or GPCT_X4 */
-               if (data[1] == GPCT_X2)
-                       val |= S526_GPCT_MODE_CLK_SRC_QUADX2;
-               else if (data[1] == GPCT_X4)
-                       val |= S526_GPCT_MODE_CLK_SRC_QUADX4;
-               else
-                       val |= S526_GPCT_MODE_CLK_SRC_QUADX1;
-
-               /*  When to take into account the indexpulse: */
-               /*
-                * if (data[2] == GPCT_IndexPhaseLowLow) {
-                * } else if (data[2] == GPCT_IndexPhaseLowHigh) {
-                * } else if (data[2] == GPCT_IndexPhaseHighLow) {
-                * } else if (data[2] == GPCT_IndexPhaseHighHigh) {
-                * }
-                */
-               /*  Take into account the index pulse? */
-               if (data[3] == GPCT_RESET_COUNTER_ON_INDEX) {
-                       /*  Auto load with INDEX^ */
-                       val |= S526_GPCT_MODE_AUTOLOAD_IXRISE;
-               }
-
-               /*  Set Counter Mode Register */
-               val = data[1] & 0xffff;
-               outw(val, dev->iobase + S526_GPCT_MODE_REG(chan));
-
-               /*  Load the pre-load register */
-               s526_gpct_write(dev, chan, data[2]);
-
-               /*  Write the Counter Control Register */
-               if (data[3])
-                       outw(data[3] & 0xffff,
-                            dev->iobase + S526_GPCT_CTRL_REG(chan));
-
-               /*  Reset the counter if it is software preload */
-               if ((val & S526_GPCT_MODE_AUTOLOAD_MASK) ==
-                   S526_GPCT_MODE_AUTOLOAD_NONE) {
-                       /*  Reset the counter */
-                       outw(S526_GPCT_CTRL_CT_RESET,
-                            dev->iobase + S526_GPCT_CTRL_REG(chan));
-                       /*  Load the counter from PR0 */
-                       outw(S526_GPCT_CTRL_CT_LOAD,
-                            dev->iobase + S526_GPCT_CTRL_REG(chan));
-               }
-#endif
                break;
 
        case INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR:
diff --git a/drivers/staging/comedi/drivers/s626.c 
b/drivers/staging/comedi/drivers/s626.c
index e7aba93..5ff33c4 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -2255,51 +2255,6 @@ static int s626_initialize(struct comedi_device *dev)
        /* Disable RPS timeouts */
        writel(0, dev->mmio + S626_P_RPS1_TOUT);
 
-#if 0
-       /*
-        * SAA7146 BUG WORKAROUND
-        *
-        * Initialize SAA7146 ADC interface to a known state by
-        * invoking ADCs until FB BUFFER 1 register shows that it
-        * is correctly receiving ADC data. This is necessary
-        * because the SAA7146 ADC interface does not start up in
-        * a defined state after a PCI reset.
-        */
-       {
-               struct comedi_subdevice *s = dev->read_subdev;
-               u8 poll_list;
-               u16 adc_data;
-               u16 start_val;
-               u16 index;
-               unsigned int data[16];
-
-               /* Create a simple polling list for analog input channel 0 */
-               poll_list = S626_EOPL;
-               s626_reset_adc(dev, &poll_list);
-
-               /* Get initial ADC value */
-               s626_ai_rinsn(dev, s, NULL, data);
-               start_val = data[0];
-
-               /*
-                * VERSION 2.01 CHANGE: TIMEOUT ADDED TO PREVENT HANGED
-                * EXECUTION.
-                *
-                * Invoke ADCs until the new ADC value differs from the initial
-                * value or a timeout occurs.  The timeout protects against the
-                * possibility that the driver is restarting and the ADC data is
-                * a fixed value resulting from the applied ADC analog input
-                * being unusually quiet or at the rail.
-                */
-               for (index = 0; index < 500; index++) {
-                       s626_ai_rinsn(dev, s, NULL, data);
-                       adc_data = data[0];
-                       if (adc_data != start_val)
-                               break;
-               }
-       }
-#endif /* SAA7146 BUG WORKAROUND */
-
        /*
         * Initialize the DAC interface
         */
-- 
2.7.4

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