[ARM] Remove clk_use()/clk_unuse()

It seems that clk_use() and clk_unuse() are additional complexity
which isn't required anymore.  Remove them from the clock framework
to avoid the additional confusion which they cause, and update all
ARM machine types except for OMAP.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 1 insertions, 11 deletions

diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index a3c2c45e29e0..69421c86252c 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -346,10 +346,6 @@ static int clcdfb_register(struct clcd_fb *fb)
                 goto out;
         }
 
-        ret = clk_use(fb->clk);
-        if (ret)
-                goto free_clk;
-
         fb->fb.fix.mmio_start   = fb->dev->res.start;
         fb->fb.fix.mmio_len     = SZ_4K;
 
@@ -357,7 +353,7 @@ static int clcdfb_register(struct clcd_fb *fb)
         if (!fb->regs) {
                 printk(KERN_ERR "CLCD: unable to remap registers\n");
                 ret = -ENOMEM;
-                goto unuse_clk;
+                goto free_clk;
         }
 
         fb->fb.fbops            = &clcdfb_ops;
@@ -427,8 +423,6 @@ static int clcdfb_register(struct clcd_fb *fb)
         printk(KERN_ERR "CLCD: cannot register framebuffer (%d)\n", ret);
 
         iounmap(fb->regs);
- unuse_clk:
-        clk_unuse(fb->clk);
  free_clk:
         clk_put(fb->clk);
  out:
@@ -489,7 +483,6 @@ static int clcdfb_remove(struct amba_device *dev)
         clcdfb_disable(fb);
         unregister_framebuffer(&fb->fb);
         iounmap(fb->regs);
-        clk_unuse(fb->clk);
         clk_put(fb->clk);
 
         fb->board->remove(fb);
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index ce6e749db3a7..d9c08cc7ac44 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -746,7 +746,6 @@ int __init s3c2410fb_probe(struct platform_device *pdev)
                 goto release_irq;
         }
 
-        clk_use(info->clk);
         clk_enable(info->clk);
         dprintk("got and enabled clock\n");
 
@@ -783,7 +782,6 @@ free_video_memory:
         s3c2410fb_unmap_video_memory(info);
 release_clock:
         clk_disable(info->clk);
-        clk_unuse(info->clk);
         clk_put(info->clk);
 release_irq:
         free_irq(irq,info);
@@ -828,7 +826,6 @@ static int s3c2410fb_remove(struct platform_device *pdev)
 
         if (info->clk) {
                 clk_disable(info->clk);
-                clk_unuse(info->clk);
                 clk_put(info->clk);
                 info->clk = NULL;
         }