diff options
| author | Damien Cassou <damien.cassou@lifl.fr> | 2012-08-03 17:40:11 +0200 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-08-23 13:14:15 +0000 |
| commit | b2ca7f4d740dc65322386b78cd5bdbceaa524fe0 (patch) | |
| tree | fea18848a080e9aaead2ed8b8d99579c1b67ed28 /drivers/video/jz4740_fb.c | |
| parent | e07d232335ed2b65b50b51d1564b418801901d7c (diff) | |
| download | linux-b2ca7f4d740dc65322386b78cd5bdbceaa524fe0.tar.bz2 | |
drivers/video/jz4740_fb.c: use devm_ functions
The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in the
probe function of a platform device and is only freed in the remove function.
Signed-off-by: Damien Cassou <damien.cassou@lifl.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/jz4740_fb.c')
| -rw-r--r-- | drivers/video/jz4740_fb.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c index de366937c933..7669770e41d5 100644 --- a/drivers/video/jz4740_fb.c +++ b/drivers/video/jz4740_fb.c @@ -659,25 +659,25 @@ static int __devinit jzfb_probe(struct platform_device *pdev) jzfb->pdata = pdata; jzfb->mem = mem; - jzfb->ldclk = clk_get(&pdev->dev, "lcd"); + jzfb->ldclk = devm_clk_get(&pdev->dev, "lcd"); if (IS_ERR(jzfb->ldclk)) { ret = PTR_ERR(jzfb->ldclk); dev_err(&pdev->dev, "Failed to get lcd clock: %d\n", ret); goto err_framebuffer_release; } - jzfb->lpclk = clk_get(&pdev->dev, "lcd_pclk"); + jzfb->lpclk = devm_clk_get(&pdev->dev, "lcd_pclk"); if (IS_ERR(jzfb->lpclk)) { ret = PTR_ERR(jzfb->lpclk); dev_err(&pdev->dev, "Failed to get lcd pixel clock: %d\n", ret); - goto err_put_ldclk; + goto err_framebuffer_release; } - jzfb->base = ioremap(mem->start, resource_size(mem)); + jzfb->base = devm_ioremap(&pdev->dev, mem->start, resource_size(mem)); if (!jzfb->base) { dev_err(&pdev->dev, "Failed to ioremap register memory region\n"); ret = -EBUSY; - goto err_put_lpclk; + goto err_framebuffer_release; } platform_set_drvdata(pdev, jzfb); @@ -693,7 +693,7 @@ static int __devinit jzfb_probe(struct platform_device *pdev) ret = jzfb_alloc_devmem(jzfb); if (ret) { dev_err(&pdev->dev, "Failed to allocate video memory\n"); - goto err_iounmap; + goto err_framebuffer_release; } fb->fix = jzfb_fix; @@ -734,12 +734,6 @@ err_free_devmem: fb_dealloc_cmap(&fb->cmap); jzfb_free_devmem(jzfb); -err_iounmap: - iounmap(jzfb->base); -err_put_lpclk: - clk_put(jzfb->lpclk); -err_put_ldclk: - clk_put(jzfb->ldclk); err_framebuffer_release: framebuffer_release(fb); err_release_mem_region: @@ -756,7 +750,6 @@ static int __devexit jzfb_remove(struct platform_device *pdev) jz_gpio_bulk_free(jz_lcd_ctrl_pins, jzfb_num_ctrl_pins(jzfb)); jz_gpio_bulk_free(jz_lcd_data_pins, jzfb_num_data_pins(jzfb)); - iounmap(jzfb->base); release_mem_region(jzfb->mem->start, resource_size(jzfb->mem)); fb_dealloc_cmap(&jzfb->fb->cmap); @@ -764,9 +757,6 @@ static int __devexit jzfb_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); - clk_put(jzfb->lpclk); - clk_put(jzfb->ldclk); - framebuffer_release(jzfb->fb); return 0; |