diff options
| author | Pete Zaitcev <zaitcev@redhat.com> | 2007-08-13 22:54:29 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 14:55:14 -0700 |
| commit | 283face86b002e670053e9189604852ccb81d357 (patch) | |
| tree | ffcf978065ffe3b7cf550c44afa4c571b028b2be /drivers/usb/class | |
| parent | fc401e697f8c00ad1178a6758e86e3881dfa3181 (diff) | |
usblp: Cosmetics
This is a small bunch of cosmetic fixes:
- Timeout is not a write timeout anymore, rename
- Condition in poll was confusingly backwards, invert and simplify
- The comment log gave a wrong impression of version 0.13, terminate it.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/class')
| -rw-r--r-- | drivers/usb/class/usblp.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 2c4a359355b..3a0f8186d4b 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -28,6 +28,7 @@ * v0.12 - add hpoj.sourceforge.net ioctls (David Paschal) * v0.13 - alloc space for statusbuf (<status> not on stack); * use usb_buffer_alloc() for read buf & write buf; + * none - Maintained in Linux kernel after v0.13 */ /* @@ -114,7 +115,7 @@ MFG:HEWLETT-PACKARD;MDL:DESKJET 970C;CMD:MLC,PCL,PML;CLASS:PRINTER;DESCRIPTION:H #define USBLP_MINORS 16 #define USBLP_MINOR_BASE 0 -#define USBLP_WRITE_TIMEOUT (5000) /* 5 seconds */ +#define USBLP_CTL_TIMEOUT 5000 /* 5 seconds */ #define USBLP_FIRST_PROTOCOL 1 #define USBLP_LAST_PROTOCOL 3 @@ -260,7 +261,7 @@ static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, i retval = usb_control_msg(usblp->dev, dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0), - request, type | dir | recip, value, index, buf, len, USBLP_WRITE_TIMEOUT); + request, type | dir | recip, value, index, buf, len, USBLP_CTL_TIMEOUT); dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d idx: %d len: %#x result: %d", request, !!dir, recip, value, index, len, retval); return retval < 0 ? retval : 0; @@ -479,8 +480,8 @@ static unsigned int usblp_poll(struct file *file, struct poll_table_struct *wait poll_wait(file, &usblp->rwait, wait); poll_wait(file, &usblp->wwait, wait); spin_lock_irqsave(&usblp->lock, flags); - ret = ((!usblp->bidir || !usblp->rcomplete) ? 0 : POLLIN | POLLRDNORM) - | ((usblp->no_paper || usblp->wcomplete) ? POLLOUT | POLLWRNORM : 0); + ret = ((usblp->bidir && usblp->rcomplete) ? POLLIN | POLLRDNORM : 0) | + ((usblp->no_paper || usblp->wcomplete) ? POLLOUT | POLLWRNORM : 0); spin_unlock_irqrestore(&usblp->lock, flags); return ret; } |