diff options
| author | Damien Cassou <damien.cassou@lifl.fr> | 2012-07-31 18:39:18 +0200 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-08-23 13:01:04 +0000 |
| commit | 0b7ca58961cd5c8c20041ffdc640775ccb7671dd (patch) | |
| tree | e4a54b6195a2edb4a2e93a21b90a4457d211d4a0 /drivers/video/mbx/mbxfb.c | |
| parent | e31f8745847c0086f909e04d4781804347c2377d (diff) | |
| download | linux-0b7ca58961cd5c8c20041ffdc640775ccb7671dd.tar.bz2 | |
drivers/video/mbx/mbxfb.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/mbx/mbxfb.c')
| -rw-r--r-- | drivers/video/mbx/mbxfb.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c index 85e4f44bfa61..9229acfe1f0c 100644 --- a/drivers/video/mbx/mbxfb.c +++ b/drivers/video/mbx/mbxfb.c @@ -939,8 +939,9 @@ static int __devinit mbxfb_probe(struct platform_device *dev) } mfbi->reg_phys_addr = mfbi->reg_res->start; - mfbi->reg_virt_addr = ioremap_nocache(mfbi->reg_phys_addr, - res_size(mfbi->reg_req)); + mfbi->reg_virt_addr = devm_ioremap_nocache(&dev->dev, + mfbi->reg_phys_addr, + res_size(mfbi->reg_req)); if (!mfbi->reg_virt_addr) { dev_err(&dev->dev, "failed to ioremap Marathon registers\n"); ret = -EINVAL; @@ -948,12 +949,12 @@ static int __devinit mbxfb_probe(struct platform_device *dev) } virt_base_2700 = mfbi->reg_virt_addr; - mfbi->fb_virt_addr = ioremap_nocache(mfbi->fb_phys_addr, - res_size(mfbi->fb_req)); + mfbi->fb_virt_addr = devm_ioremap_nocache(&dev->dev, mfbi->fb_phys_addr, + res_size(mfbi->fb_req)); if (!mfbi->fb_virt_addr) { dev_err(&dev->dev, "failed to ioremap frame buffer\n"); ret = -EINVAL; - goto err4; + goto err3; } fbi->screen_base = (char __iomem *)(mfbi->fb_virt_addr + 0x60000); @@ -971,7 +972,7 @@ static int __devinit mbxfb_probe(struct platform_device *dev) if (ret < 0) { dev_err(&dev->dev, "fb_alloc_cmap failed\n"); ret = -EINVAL; - goto err5; + goto err3; } platform_set_drvdata(dev, fbi); @@ -996,10 +997,6 @@ static int __devinit mbxfb_probe(struct platform_device *dev) err6: fb_dealloc_cmap(&fbi->cmap); -err5: - iounmap(mfbi->fb_virt_addr); -err4: - iounmap(mfbi->reg_virt_addr); err3: release_mem_region(mfbi->reg_res->start, res_size(mfbi->reg_res)); err2: @@ -1026,10 +1023,7 @@ static int __devexit mbxfb_remove(struct platform_device *dev) if (mfbi->platform_remove) mfbi->platform_remove(fbi); - if (mfbi->fb_virt_addr) - iounmap(mfbi->fb_virt_addr); - if (mfbi->reg_virt_addr) - iounmap(mfbi->reg_virt_addr); + if (mfbi->reg_req) release_mem_region(mfbi->reg_req->start, res_size(mfbi->reg_req)); |