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staging: xillybus: Fix comments

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Trivial comments removed, and one comment clarified

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eli Billauer 2014-09-04 17:47:52 +03:00 committed by Greg Kroah-Hartman
parent c14cc622da
commit 21c3184c5e
1 changed files with 8 additions and 7 deletions
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15
drivers/staging/xillybus/xillybus_core.c
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@ -402,7 +402,7 @@ static int xilly_get_dma_buffers(struct xilly_endpoint *ep,
s->left_of_salami -= bytebufsize; s->left_of_salami -= bytebufsize;
s->salami += bytebufsize; s->salami += bytebufsize;
} }
return 0; /* Success */ return 0;
} }
static int xilly_setupchannels(struct xilly_endpoint *ep, static int xilly_setupchannels(struct xilly_endpoint *ep,
@ -668,7 +668,7 @@ static int xilly_obtain_idt(struct xilly_endpoint *endpoint)
return -ENODEV; return -ENODEV;
} }
return 0; /* Success */ return 0;
} }
static ssize_t xillybus_read(struct file *filp, char __user *userbuf, static ssize_t xillybus_read(struct file *filp, char __user *userbuf,
@ -977,10 +977,11 @@ desperate:
} }
/* /*
* Formally speaking, we should block for data at this point. * Reaching here means that we *do* have data in the buffer,
* But to keep the code cleaner, we'll just finish the loop, * but the "partial" flag disallows returning less than
* make the unlikely check for data, and then block at the * required. And we don't have as much. So loop again,
* usual place. * which is likely to end up blocking indefinitely until
* enough data has arrived.
*/ */
} }
@ -1947,7 +1948,7 @@ static int xilly_quiesce(struct xilly_endpoint *endpoint)
"Failed to quiesce the device on exit.\n"); "Failed to quiesce the device on exit.\n");
return -ENODEV; return -ENODEV;
} }
return 0; /* Success */ return 0;
} }
int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint) int xillybus_endpoint_discovery(struct xilly_endpoint *endpoint)