diff options
| -rw-r--r-- | drivers/staging/media/omap4iss/iss.c | 84 |
1 files changed, 8 insertions, 76 deletions
diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c index 4a9e444cd622..d548371db65a 100644 --- a/drivers/staging/media/omap4iss/iss.c +++ b/drivers/staging/media/omap4iss/iss.c @@ -1003,32 +1003,17 @@ static void iss_disable_clocks(struct iss_device *iss) clk_disable(iss->iss_fck); } -static void iss_put_clocks(struct iss_device *iss) -{ - if (iss->iss_fck) { - clk_put(iss->iss_fck); - iss->iss_fck = NULL; - } - - if (iss->iss_ctrlclk) { - clk_put(iss->iss_ctrlclk); - iss->iss_ctrlclk = NULL; - } -} - static int iss_get_clocks(struct iss_device *iss) { - iss->iss_fck = clk_get(iss->dev, "iss_fck"); + iss->iss_fck = devm_clk_get(iss->dev, "iss_fck"); if (IS_ERR(iss->iss_fck)) { dev_err(iss->dev, "Unable to get iss_fck clock info\n"); - iss_put_clocks(iss); return PTR_ERR(iss->iss_fck); } - iss->iss_ctrlclk = clk_get(iss->dev, "iss_ctrlclk"); + iss->iss_ctrlclk = devm_clk_get(iss->dev, "iss_ctrlclk"); if (IS_ERR(iss->iss_ctrlclk)) { dev_err(iss->dev, "Unable to get iss_ctrlclk clock info\n"); - iss_put_clocks(iss); return PTR_ERR(iss->iss_ctrlclk); } @@ -1104,29 +1089,11 @@ static int iss_map_mem_resource(struct platform_device *pdev, { struct resource *mem; - /* request the mem region for the camera registers */ - mem = platform_get_resource(pdev, IORESOURCE_MEM, res); - if (!mem) { - dev_err(iss->dev, "no mem resource?\n"); - return -ENODEV; - } - - if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) { - dev_err(iss->dev, - "cannot reserve camera register I/O region\n"); - return -ENODEV; - } - iss->res[res] = mem; - /* map the region */ - iss->regs[res] = ioremap_nocache(mem->start, resource_size(mem)); - if (!iss->regs[res]) { - dev_err(iss->dev, "cannot map camera register I/O region\n"); - return -ENODEV; - } + iss->regs[res] = devm_ioremap_resource(iss->dev, mem); - return 0; + return PTR_ERR_OR_ZERO(iss->regs[res]); } static void iss_unregister_entities(struct iss_device *iss) @@ -1389,7 +1356,7 @@ static int iss_probe(struct platform_device *pdev) if (pdata == NULL) return -EINVAL; - iss = kzalloc(sizeof(*iss), GFP_KERNEL); + iss = devm_kzalloc(&pdev->dev, sizeof(*iss), GFP_KERNEL); if (!iss) { dev_err(&pdev->dev, "Could not allocate memory\n"); return -ENOMEM; @@ -1456,7 +1423,8 @@ static int iss_probe(struct platform_device *pdev) goto error_iss; } - if (request_irq(iss->irq_num, iss_isr, IRQF_SHARED, "OMAP4 ISS", iss)) { + if (devm_request_irq(iss->dev, iss->irq_num, iss_isr, IRQF_SHARED, + "OMAP4 ISS", iss)) { dev_err(iss->dev, "Unable to request IRQ\n"); ret = -EINVAL; goto error_iss; @@ -1465,7 +1433,7 @@ static int iss_probe(struct platform_device *pdev) /* Entities */ ret = iss_initialize_modules(iss); if (ret < 0) - goto error_irq; + goto error_iss; ret = iss_register_entities(iss); if (ret < 0) @@ -1477,29 +1445,12 @@ static int iss_probe(struct platform_device *pdev) error_modules: iss_cleanup_modules(iss); -error_irq: - free_irq(iss->irq_num, iss); error_iss: omap4iss_put(iss); error: - iss_put_clocks(iss); - - for (i = 0; i < OMAP4_ISS_MEM_LAST; i++) { - if (iss->regs[i]) { - iounmap(iss->regs[i]); - iss->regs[i] = NULL; - } - - if (iss->res[i]) { - release_mem_region(iss->res[i]->start, - resource_size(iss->res[i])); - iss->res[i] = NULL; - } - } platform_set_drvdata(pdev, NULL); mutex_destroy(&iss->iss_mutex); - kfree(iss); return ret; } @@ -1507,29 +1458,10 @@ error: static int iss_remove(struct platform_device *pdev) { struct iss_device *iss = platform_get_drvdata(pdev); - unsigned int i; iss_unregister_entities(iss); iss_cleanup_modules(iss); - free_irq(iss->irq_num, iss); - iss_put_clocks(iss); - - for (i = 0; i < OMAP4_ISS_MEM_LAST; i++) { - if (iss->regs[i]) { - iounmap(iss->regs[i]); - iss->regs[i] = NULL; - } - - if (iss->res[i]) { - release_mem_region(iss->res[i]->start, - resource_size(iss->res[i])); - iss->res[i] = NULL; - } - } - - kfree(iss); - return 0; } |