From 109393afc87388b6dbbdaa59a290c5a977841f8d Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Wed, 5 Mar 2014 17:12:46 +0100 Subject: [PATCH] video: pxa3xx-gcu: rename some symbols Prefix some functions with more specific names. While at it, kill some stray newlines and other coding style related minor things. Signed-off-by: Daniel Mack Acked-by: Haojian Zhuang Signed-off-by: Tomi Valkeinen --- drivers/video/pxa3xx-gcu.c | 48 +++++++++++++++++--------------------- 1 file changed, 21 insertions(+), 27 deletions(-) diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c index ad382b3396cd..9cd48abadc35 100644 --- a/drivers/video/pxa3xx-gcu.c +++ b/drivers/video/pxa3xx-gcu.c @@ -107,7 +107,6 @@ struct pxa3xx_gcu_priv { struct timeval base_time; struct pxa3xx_gcu_batch *free; - struct pxa3xx_gcu_batch *ready; struct pxa3xx_gcu_batch *ready_last; struct pxa3xx_gcu_batch *running; @@ -368,27 +367,26 @@ pxa3xx_gcu_wait_free(struct pxa3xx_gcu_priv *priv) /* Misc device layer */ -static inline struct pxa3xx_gcu_priv *file_dev(struct file *file) +static inline struct pxa3xx_gcu_priv *to_pxa3xx_gcu_priv(struct file *file) { struct miscdevice *dev = file->private_data; return container_of(dev, struct pxa3xx_gcu_priv, misc_dev); } static ssize_t -pxa3xx_gcu_misc_write(struct file *file, const char *buff, - size_t count, loff_t *offp) +pxa3xx_gcu_write(struct file *file, const char *buff, + size_t count, loff_t *offp) { int ret; unsigned long flags; struct pxa3xx_gcu_batch *buffer; - struct pxa3xx_gcu_priv *priv = file_dev(file); + struct pxa3xx_gcu_priv *priv = to_pxa3xx_gcu_priv(file); int words = count / 4; /* Does not need to be atomic. There's a lock in user space, * but anyhow, this is just for statistics. */ priv->shared->num_writes++; - priv->shared->num_words += words; /* Last word reserved for batch buffer end command */ @@ -406,10 +404,8 @@ pxa3xx_gcu_misc_write(struct file *file, const char *buff, * Get buffer from free list */ spin_lock_irqsave(&priv->spinlock, flags); - buffer = priv->free; priv->free = buffer->next; - spin_unlock_irqrestore(&priv->spinlock, flags); @@ -454,10 +450,10 @@ pxa3xx_gcu_misc_write(struct file *file, const char *buff, static long -pxa3xx_gcu_misc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +pxa3xx_gcu_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { unsigned long flags; - struct pxa3xx_gcu_priv *priv = file_dev(file); + struct pxa3xx_gcu_priv *priv = to_pxa3xx_gcu_priv(file); switch (cmd) { case PXA3XX_GCU_IOCTL_RESET: @@ -474,10 +470,10 @@ pxa3xx_gcu_misc_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } static int -pxa3xx_gcu_misc_mmap(struct file *file, struct vm_area_struct *vma) +pxa3xx_gcu_mmap(struct file *file, struct vm_area_struct *vma) { unsigned int size = vma->vm_end - vma->vm_start; - struct pxa3xx_gcu_priv *priv = file_dev(file); + struct pxa3xx_gcu_priv *priv = to_pxa3xx_gcu_priv(file); switch (vma->vm_pgoff) { case 0: @@ -532,8 +528,8 @@ static inline void pxa3xx_gcu_init_debug_timer(void) {} #endif static int -add_buffer(struct platform_device *dev, - struct pxa3xx_gcu_priv *priv) +pxa3xx_gcu_add_buffer(struct platform_device *dev, + struct pxa3xx_gcu_priv *priv) { struct pxa3xx_gcu_batch *buffer; @@ -549,15 +545,14 @@ add_buffer(struct platform_device *dev, } buffer->next = priv->free; - priv->free = buffer; return 0; } static void -free_buffers(struct platform_device *dev, - struct pxa3xx_gcu_priv *priv) +pxa3xx_gcu_free_buffers(struct platform_device *dev, + struct pxa3xx_gcu_priv *priv) { struct pxa3xx_gcu_batch *next, *buffer = priv->free; @@ -568,18 +563,17 @@ free_buffers(struct platform_device *dev, buffer->ptr, buffer->phys); kfree(buffer); - buffer = next; } priv->free = NULL; } -static const struct file_operations misc_fops = { - .owner = THIS_MODULE, - .write = pxa3xx_gcu_misc_write, - .unlocked_ioctl = pxa3xx_gcu_misc_ioctl, - .mmap = pxa3xx_gcu_misc_mmap +static const struct file_operations pxa3xx_gcu_miscdev_fops = { + .owner = THIS_MODULE, + .write = pxa3xx_gcu_write, + .unlocked_ioctl = pxa3xx_gcu_ioctl, + .mmap = pxa3xx_gcu_mmap, }; static int pxa3xx_gcu_probe(struct platform_device *dev) @@ -593,7 +587,7 @@ static int pxa3xx_gcu_probe(struct platform_device *dev) return -ENOMEM; for (i = 0; i < 8; i++) { - ret = add_buffer(dev, priv); + ret = pxa3xx_gcu_add_buffer(dev, priv); if (ret) { dev_err(&dev->dev, "failed to allocate DMA memory\n"); goto err_free_priv; @@ -611,7 +605,7 @@ static int pxa3xx_gcu_probe(struct platform_device *dev) priv->misc_dev.minor = MISCDEV_MINOR, priv->misc_dev.name = DRV_NAME, - priv->misc_dev.fops = &misc_fops, + priv->misc_dev.fops = &pxa3xx_gcu_miscdev_fops; /* register misc device */ ret = misc_register(&priv->misc_dev); @@ -710,7 +704,7 @@ err_misc_deregister: misc_deregister(&priv->misc_dev); err_free_priv: - free_buffers(dev, priv); + pxa3xx_gcu_free_buffers(dev, priv); kfree(priv); return ret; } @@ -728,7 +722,7 @@ static int pxa3xx_gcu_remove(struct platform_device *dev) iounmap(priv->mmio_base); release_mem_region(r->start, resource_size(r)); clk_disable(priv->clk); - free_buffers(dev, priv); + pxa3xx_gcu_free_buffers(dev, priv); kfree(priv); return 0; -- 2.34.1