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staging/frontier: Fixed up incorrect formatted comments
The existing comments are using an odd style. Fixed them up to adhereto the StyleGuide. No code changes. Signed-off-by: Sara Bird <sara.bird.iar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sara Bird
Greg Kroah-Hartman
parent
396b7fd6f9
commit
15f10bd143
@ -24,13 +24,14 @@
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* raw interrupt reports.
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*/
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/* Note: this currently uses a dumb ringbuffer for reads and writes.
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/*
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* Note: this currently uses a dumb ringbuffer for reads and writes.
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* A more optimal driver would cache and kill off outstanding urbs that are
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* now invalid, and ignore ones that already were in the queue but valid
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* as we only have 30 commands for the alphatrack. In particular this is
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* key for getting lights to flash in time as otherwise many commands
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* can be buffered up before the light change makes it to the interface.
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*/
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*/
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#include <linux/kernel.h>
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#include <linux/errno.h>
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@ -100,7 +101,8 @@ static int debug = ALPHATRACK_DEBUG;
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module_param(debug, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug enabled or not");
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/* All interrupt in transfers are collected in a ring buffer to
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/*
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* All interrupt in transfers are collected in a ring buffer to
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* avoid racing conditions and get better performance of the driver.
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*/
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@ -109,8 +111,7 @@ static int ring_buffer_size = RING_BUFFER_SIZE;
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module_param(ring_buffer_size, int, S_IRUGO);
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MODULE_PARM_DESC(ring_buffer_size, "Read ring buffer size");
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/* The write_buffer can one day contain more than one interrupt out transfer.
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*/
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/* The write_buffer can one day contain more than one interrupt out transfer.*/
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static int write_buffer_size = WRITE_BUFFER_SIZE;
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module_param(write_buffer_size, int, S_IRUGO);
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@ -199,9 +200,7 @@ static void usb_alphatrack_abort_transfers(struct usb_alphatrack *dev)
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usb_kill_urb(dev->interrupt_out_urb);
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}
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/**
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* usb_alphatrack_delete
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*/
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/** usb_alphatrack_delete */
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static void usb_alphatrack_delete(struct usb_alphatrack *dev)
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{
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usb_alphatrack_abort_transfers(dev);
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@ -213,9 +212,7 @@ static void usb_alphatrack_delete(struct usb_alphatrack *dev)
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kfree(dev); /* fixme oldi_buffer */
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}
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/**
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* usb_alphatrack_interrupt_in_callback
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*/
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/** usb_alphatrack_interrupt_in_callback */
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static void usb_alphatrack_interrupt_in_callback(struct urb *urb)
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{
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@ -296,9 +293,7 @@ exit:
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wake_up_interruptible(&dev->read_wait);
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}
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/**
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* usb_alphatrack_interrupt_out_callback
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*/
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/** usb_alphatrack_interrupt_out_callback */
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static void usb_alphatrack_interrupt_out_callback(struct urb *urb)
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{
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struct usb_alphatrack *dev = urb->context;
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@ -315,9 +310,7 @@ static void usb_alphatrack_interrupt_out_callback(struct urb *urb)
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wake_up_interruptible(&dev->write_wait);
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}
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/**
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* usb_alphatrack_open
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*/
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/** usb_alphatrack_open */
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static int usb_alphatrack_open(struct inode *inode, struct file *file)
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{
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struct usb_alphatrack *dev;
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@ -398,9 +391,7 @@ unlock_disconnect_exit:
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return retval;
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}
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/**
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* usb_alphatrack_release
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*/
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/** usb_alphatrack_release */
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static int usb_alphatrack_release(struct inode *inode, struct file *file)
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{
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struct usb_alphatrack *dev;
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@ -447,9 +438,7 @@ exit:
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return retval;
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}
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/**
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* usb_alphatrack_poll
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*/
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/** usb_alphatrack_poll */
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static unsigned int usb_alphatrack_poll(struct file *file, poll_table *wait)
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{
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struct usb_alphatrack *dev;
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@ -468,9 +457,7 @@ static unsigned int usb_alphatrack_poll(struct file *file, poll_table *wait)
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return mask;
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}
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/**
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* usb_alphatrack_read
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*/
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/** usb_alphatrack_read */
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static ssize_t usb_alphatrack_read(struct file *file, char __user *buffer,
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size_t count, loff_t *ppos)
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{
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@ -539,9 +526,7 @@ exit:
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return retval;
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}
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/**
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* usb_alphatrack_write
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*/
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/** usb_alphatrack_write */
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static ssize_t usb_alphatrack_write(struct file *file,
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const char __user *buffer, size_t count,
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loff_t *ppos)
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@ -718,8 +703,10 @@ static int usb_alphatrack_probe(struct usb_interface *intf,
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true_size = min(ring_buffer_size, RING_BUFFER_SIZE);
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/* FIXME - there are more usb_alloc routines for dma correctness.
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Needed? */
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/*
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* FIXME - there are more usb_alloc routines for dma correctness.
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* Needed?
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*/
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dev->ring_buffer = kmalloc_array(true_size,
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sizeof(struct alphatrack_icmd),
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GFP_KERNEL);
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@ -6,7 +6,8 @@ struct alphatrack_ocmd {
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unsigned char cmd[8];
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};
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/* These are unused by the present driver but provide documentation for the
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/*
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* These are unused by the present driver but provide documentation for the
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* userspace API.
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*/
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enum LightID {
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@ -58,7 +59,8 @@ enum LightID {
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#define BUTTONMASK_PRESS2 0x00008010
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#define BUTTONMASK_PRESS3 0x00002020
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/* last 3 bytes are the slider position
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/*
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* last 3 bytes are the slider position
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* 40 is the actual slider moving, the most sig bits, and 3 lsb
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*/
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@ -86,7 +86,8 @@ static int debug = TRANZPORT_DEBUG;
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module_param(debug, int, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug enabled or not");
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/* All interrupt in transfers are collected in a ring buffer to
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/*
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* All interrupt in transfers are collected in a ring buffer to
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* avoid racing conditions and get better performance of the driver.
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*/
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@ -95,7 +96,8 @@ static int ring_buffer_size = RING_BUFFER_SIZE;
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module_param(ring_buffer_size, int, S_IRUGO);
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MODULE_PARM_DESC(ring_buffer_size, "Read ring buffer size in reports");
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/* The write_buffer can one day contain more than one interrupt out transfer.
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/*
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* The write_buffer can one day contain more than one interrupt out transfer.
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*/
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static int write_buffer_size = WRITE_BUFFER_SIZE;
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module_param(write_buffer_size, int, S_IRUGO);
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@ -565,9 +567,9 @@ static ssize_t usb_tranzport_read(struct file *file, char __user *buffer,
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newwheel = (*dev->ring_buffer)[next_tail].cmd[6];
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oldwheel = (*dev->ring_buffer)[dev->ring_tail].cmd[6];
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/* if both are wheel events, and
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no buttons have changes (FIXME, do I have to check?),
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and we are the same sign, we can compress +- 7F
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*/
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* no buttons have changes (FIXME, do I have to check?),
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* and we are the same sign, we can compress +- 7F
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*/
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dbg_info(&dev->intf->dev,
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"%s: trying to compress: "
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"%02x%02x%02x%02x%02x%02x%02x%02x\n",
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@ -842,8 +844,10 @@ static int usb_tranzport_probe(struct usb_interface *intf,
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ring_buffer_size = RING_BUFFER_SIZE;
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true_size = min(ring_buffer_size, RING_BUFFER_SIZE);
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/* FIXME - there are more usb_alloc routines for dma correctness.
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Needed? */
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/*
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* FIXME - there are more usb_alloc routines for dma correctness.
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* Needed?
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*/
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dev->ring_buffer =
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kmalloc((true_size * sizeof(struct tranzport_cmd)) + 8, GFP_KERNEL);
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