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| author |  Michal Simek <michal.simek@xilinx.com>
| 2013-10-10 08:30:22 +0200 |
|---|---|---|
| committer |  Tomi Valkeinen <tomi.valkeinen@ti.com>
| 2013-10-11 08:56:54 +0300 |
| commit | 718b90ac4c21c81f42b6db062ca0867f3cac7648 (patch) | |
| tree | f695b97e221e195a9468c40b3e805ba64214b32d /drivers/video/xilinxfb.c | |
| parent | video: xilinxfb: Use devm_kzalloc instead of kzalloc (diff) | |
| download | linux-718b90ac4c21c81f42b6db062ca0867f3cac7648.tar.gz linux-718b90ac4c21c81f42b6db062ca0867f3cac7648.tar.bz2 linux-718b90ac4c21c81f42b6db062ca0867f3cac7648.zip | |
video: xilinxfb: Simplify error path
devm_iounmap is called automatically that's why remove it from the code
dev_set_drvdata(dev, NULL) is called by generic code
after device_release or on probe failure.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/xilinxfb.c')
| -rw-r--r-- | drivers/video/xilinxfb.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c index c420328afb40..9eedf9673b7f 100644 --- a/drivers/video/xilinxfb.c +++ b/drivers/video/xilinxfb.c @@ -260,10 +260,9 @@ static int xilinxfb_assign(struct platform_device *pdev, res = platform_get_resource(pdev, IORESOURCE_MEM, 0); drvdata->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(drvdata->regs)) { - rc = PTR_ERR(drvdata->regs); - goto err_region; - } + if (IS_ERR(drvdata->regs)) + return PTR_ERR(drvdata->regs); + drvdata->regs_phys = res->start; } @@ -279,11 +278,7 @@ static int xilinxfb_assign(struct platform_device *pdev, if (!drvdata->fb_virt) { dev_err(dev, "Could not allocate frame buffer memory\n"); - rc = -ENOMEM; - if (drvdata->flags & BUS_ACCESS_FLAG) - goto err_fbmem; - else - goto err_region; + return -ENOMEM; } /* Clear (turn to black) the framebuffer */ @@ -363,11 +358,6 @@ err_cmap: /* Turn off the display */ xilinx_fb_out32(drvdata, REG_CTRL, 0); -err_fbmem: - if (drvdata->flags & BUS_ACCESS_FLAG) - devm_iounmap(dev, drvdata->regs); - -err_region: return rc; } @@ -392,11 +382,9 @@ static int xilinxfb_release(struct device *dev) /* Turn off the display */ xilinx_fb_out32(drvdata, REG_CTRL, 0); - /* Release the resources, as allocated based on interface */ - if (drvdata->flags & BUS_ACCESS_FLAG) - devm_iounmap(dev, drvdata->regs); #ifdef CONFIG_PPC_DCR - else + /* Release the resources, as allocated based on interface */ + if (!(drvdata->flags & BUS_ACCESS_FLAG)) dcr_unmap(drvdata->dcr_host, drvdata->dcr_len); #endif |