staging: comedi: cb_pcidas: fix comments in *_cmdtest functions

[~andy/linux] / drivers / staging / comedi / drivers / cb_pcidas.c

diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index 12fb087f2b4700d325f8f89b3ad75ddeffab50c9..95ce54635932aa642a210d4e6a37a918c5d02d0c 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -809,14 +809,7 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device *dev,
        int tmp;
        int i, gain, start_chan;
 
-       /* cmdtest tests a particular command to see if it is valid.
-        * Using the cmdtest ioctl, a user can create a valid cmd
-        * and then have it executes by the cmd ioctl.
-        *
-        * cmdtest returns 1,2,3,4 or 0, depending on which tests
-        * the command passes. */
-
-       /* step 1: make sure trigger sources are trivially valid */
+       /* step 1: trigger sources are trivially valid */
 
        tmp = cmd->start_src;
        cmd->start_src &= TRIG_NOW | TRIG_EXT;
@@ -846,7 +839,7 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device *dev,
        if (err)
                return 1;
 
-       /* step 2: make sure trigger sources are unique and mutually compatible */
+       /* step 2: trigger sources are unique and mutually compatible */
 
        if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT)
                err++;
@@ -872,7 +865,7 @@ static int cb_pcidas_ai_cmdtest(struct comedi_device *dev,
        if (err)
                return 2;
 
-       /* step 3: make sure arguments are trivially compatible */
+       /* step 3: arguments are trivially compatible */
 
        switch (cmd->start_src) {
        case TRIG_EXT:
@@ -1092,14 +1085,7 @@ static int cb_pcidas_ao_cmdtest(struct comedi_device *dev,
        int err = 0;
        int tmp;
 
-       /* cmdtest tests a particular command to see if it is valid.
-        * Using the cmdtest ioctl, a user can create a valid cmd
-        * and then have it executes by the cmd ioctl.
-        *
-        * cmdtest returns 1,2,3,4 or 0, depending on which tests
-        * the command passes. */
-
-       /* step 1: make sure trigger sources are trivially valid */
+       /* step 1: trigger sources are trivially valid */
 
        tmp = cmd->start_src;
        cmd->start_src &= TRIG_INT;
@@ -1129,7 +1115,7 @@ static int cb_pcidas_ao_cmdtest(struct comedi_device *dev,
        if (err)
                return 1;
 
-       /* step 2: make sure trigger sources are unique and mutually compatible */
+       /* step 2: trigger sources are unique and mutually compatible */
 
        if (cmd->scan_begin_src != TRIG_TIMER &&
            cmd->scan_begin_src != TRIG_EXT)
@@ -1140,7 +1126,7 @@ static int cb_pcidas_ao_cmdtest(struct comedi_device *dev,
        if (err)
                return 2;
 
-       /* step 3: make sure arguments are trivially compatible */
+       /* step 3: arguments are trivially compatible */
 
        if (cmd->start_arg != 0) {
                cmd->start_arg = 0;