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drm: Convert to devm_ioremap_resource()

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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding 2013-01-21 11:09:02 +01:00 committed by Greg Kroah-Hartman
parent 7331205a96
commit d4ed60259e
9 changed files with 27 additions and 40 deletions
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8
drivers/gpu/drm/exynos/exynos_drm_fimc.c
View File

@ -1785,11 +1785,9 @@ static int fimc_probe(struct platform_device *pdev)
/* resource memory */
ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res);
if (!ctx->regs) {
dev_err(dev, "failed to map registers.\n");
return -ENXIO;
}
ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
if (IS_ERR(ctx->regs))
return PTR_ERR(ctx->regs);
/* resource irq */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);

8
drivers/gpu/drm/exynos/exynos_drm_fimd.c
View File

@ -913,11 +913,9 @@ static int fimd_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ctx->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!ctx->regs) {
dev_err(dev, "failed to map registers\n");
return -ENXIO;
}
ctx->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(ctx->regs))
return PTR_ERR(ctx->regs);
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {

7
drivers/gpu/drm/exynos/exynos_drm_g2d.c
View File

@ -1136,10 +1136,9 @@ static int g2d_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
g2d->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!g2d->regs) {
dev_err(dev, "failed to remap I/O memory\n");
ret = -ENXIO;
g2d->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(g2d->regs)) {
ret = PTR_ERR(g2d->regs);
goto err_put_clk;
}

8
drivers/gpu/drm/exynos/exynos_drm_gsc.c
View File

@ -1692,11 +1692,9 @@ static int gsc_probe(struct platform_device *pdev)
/* resource memory */
ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res);
if (!ctx->regs) {
dev_err(dev, "failed to map registers.\n");
return -ENXIO;
}
ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
if (IS_ERR(ctx->regs))
return PTR_ERR(ctx->regs);
/* resource irq */
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);

8
drivers/gpu/drm/exynos/exynos_drm_rotator.c
View File

@ -656,11 +656,9 @@ static int rotator_probe(struct platform_device *pdev)
platform_get_device_id(pdev)->driver_data;
rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rot->regs = devm_request_and_ioremap(dev, rot->regs_res);
if (!rot->regs) {
dev_err(dev, "failed to map register\n");
return -ENXIO;
}
rot->regs = devm_ioremap_resource(dev, rot->regs_res);
if (IS_ERR(rot->regs))
return PTR_ERR(rot->regs);
rot->irq = platform_get_irq(pdev, 0);
if (rot->irq < 0) {

8
drivers/gpu/drm/exynos/exynos_hdmi.c
View File

@ -2526,11 +2526,9 @@ static int hdmi_probe(struct platform_device *pdev)
return -ENOENT;
}
hdata->regs = devm_request_and_ioremap(&pdev->dev, res);
if (!hdata->regs) {
DRM_ERROR("failed to map registers\n");
return -ENXIO;
}
hdata->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hdata->regs))
return PTR_ERR(hdata->regs);
ret = devm_gpio_request(&pdev->dev, hdata->hpd_gpio, "HPD");
if (ret) {

8
drivers/gpu/drm/tegra/dc.c
View File

@ -764,11 +764,9 @@ static int tegra_dc_probe(struct platform_device *pdev)
return -ENXIO;
}
dc->regs = devm_request_and_ioremap(&pdev->dev, regs);
if (!dc->regs) {
dev_err(&pdev->dev, "failed to remap registers\n");
return -ENXIO;
}
dc->regs = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(dc->regs))
return PTR_ERR(dc->regs);
dc->irq = platform_get_irq(pdev, 0);
if (dc->irq < 0) {

6
drivers/gpu/drm/tegra/hdmi.c
View File

@ -1259,9 +1259,9 @@ static int tegra_hdmi_probe(struct platform_device *pdev)
if (!regs)
return -ENXIO;
hdmi->regs = devm_request_and_ioremap(&pdev->dev, regs);
if (!hdmi->regs)
return -EADDRNOTAVAIL;
hdmi->regs = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(hdmi->regs))
return PTR_ERR(hdmi->regs);
err = platform_get_irq(pdev, 0);
if (err < 0)

6
drivers/gpu/drm/tegra/host1x.c
View File

@ -139,9 +139,9 @@ static int tegra_host1x_probe(struct platform_device *pdev)
host1x->irq = err;
host1x->regs = devm_request_and_ioremap(&pdev->dev, regs);
if (!host1x->regs) {
err = -EADDRNOTAVAIL;
host1x->regs = devm_ioremap_resource(&pdev->dev, regs);
if (IS_ERR(host1x->regs)) {
err = PTR_ERR(host1x->regs);
goto err;
}