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yaml
---
r: 332712
b: refs/heads/master
c: e1ed147
h: refs/heads/master
v: v3
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Julia Lawall authored and David Woodhouse committed Sep 29, 2012
1 parent e76a1e0 commit b236391
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Showing 2 changed files with 19 additions and 66 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 99f2b107924c07bee0bae7151426495fb815ca6e
refs/heads/master: e1ed147fd4a322741e63f66d76e68ad83876d2ea
83 changes: 18 additions & 65 deletions trunk/drivers/mtd/devices/spear_smi.c
Original file line number Diff line number Diff line change
Expand Up @@ -827,7 +827,7 @@ static int spear_smi_setup_banks(struct platform_device *pdev,
if (!flash_info)
return -ENODEV;

flash = kzalloc(sizeof(*flash), GFP_ATOMIC);
flash = devm_kzalloc(&pdev->dev, sizeof(*flash), GFP_ATOMIC);
if (!flash)
return -ENOMEM;
flash->bank = bank;
Expand All @@ -838,15 +838,13 @@ static int spear_smi_setup_banks(struct platform_device *pdev,
flash_index = spear_smi_probe_flash(dev, bank);
if (flash_index < 0) {
dev_info(&dev->pdev->dev, "smi-nor%d not found\n", bank);
ret = flash_index;
goto err_probe;
return flash_index;
}
/* map the memory for nor flash chip */
flash->base_addr = ioremap(flash_info->mem_base, flash_info->size);
if (!flash->base_addr) {
ret = -EIO;
goto err_probe;
}
flash->base_addr = devm_ioremap(&pdev->dev, flash_info->mem_base,
flash_info->size);
if (!flash->base_addr)
return -EIO;

dev->flash[bank] = flash;
flash->mtd.priv = dev;
Expand Down Expand Up @@ -888,17 +886,10 @@ static int spear_smi_setup_banks(struct platform_device *pdev,
count);
if (ret) {
dev_err(&dev->pdev->dev, "Err MTD partition=%d\n", ret);
goto err_map;
return ret;
}

return 0;

err_map:
iounmap(flash->base_addr);

err_probe:
kfree(flash);
return ret;
}

/**
Expand Down Expand Up @@ -942,40 +933,27 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
}
}

smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!smi_base) {
ret = -ENODEV;
dev_err(&pdev->dev, "invalid smi base address\n");
goto err;
}

irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = -ENODEV;
dev_err(&pdev->dev, "invalid smi irq\n");
goto err;
}

dev = kzalloc(sizeof(*dev), GFP_ATOMIC);
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_ATOMIC);
if (!dev) {
ret = -ENOMEM;
dev_err(&pdev->dev, "mem alloc fail\n");
goto err;
}

smi_base = request_mem_region(smi_base->start, resource_size(smi_base),
pdev->name);
if (!smi_base) {
ret = -EBUSY;
dev_err(&pdev->dev, "request mem region fail\n");
goto err_mem;
}
smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);

dev->io_base = ioremap(smi_base->start, resource_size(smi_base));
dev->io_base = devm_request_and_ioremap(&pdev->dev, smi_base);
if (!dev->io_base) {
ret = -EIO;
dev_err(&pdev->dev, "ioremap fail\n");
goto err_ioremap;
dev_err(&pdev->dev, "devm_request_and_ioremap fail\n");
goto err;
}

dev->pdev = pdev;
Expand All @@ -991,17 +969,18 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
dev->num_flashes = MAX_NUM_FLASH_CHIP;
}

dev->clk = clk_get(&pdev->dev, NULL);
dev->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dev->clk)) {
ret = PTR_ERR(dev->clk);
goto err_clk;
goto err;
}

ret = clk_prepare_enable(dev->clk);
if (ret)
goto err_clk_prepare_enable;
goto err;

ret = request_irq(irq, spear_smi_int_handler, 0, pdev->name, dev);
ret = devm_request_irq(&pdev->dev, irq, spear_smi_int_handler, 0,
pdev->name, dev);
if (ret) {
dev_err(&dev->pdev->dev, "SMI IRQ allocation failed\n");
goto err_irq;
Expand All @@ -1024,18 +1003,9 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
return 0;

err_bank_setup:
free_irq(irq, dev);
platform_set_drvdata(pdev, NULL);
err_irq:
clk_disable_unprepare(dev->clk);
err_clk_prepare_enable:
clk_put(dev->clk);
err_clk:
iounmap(dev->io_base);
err_ioremap:
release_mem_region(smi_base->start, resource_size(smi_base));
err_mem:
kfree(dev);
err:
return ret;
}
Expand All @@ -1049,20 +1019,15 @@ static int __devinit spear_smi_probe(struct platform_device *pdev)
static int __devexit spear_smi_remove(struct platform_device *pdev)
{
struct spear_smi *dev;
struct spear_smi_plat_data *pdata;
struct spear_snor_flash *flash;
struct resource *smi_base;
int ret;
int i, irq;
int ret, i;

dev = platform_get_drvdata(pdev);
if (!dev) {
dev_err(&pdev->dev, "dev is null\n");
return -ENODEV;
}

pdata = dev_get_platdata(&pdev->dev);

/* clean up for all nor flash */
for (i = 0; i < dev->num_flashes; i++) {
flash = dev->flash[i];
Expand All @@ -1073,21 +1038,9 @@ static int __devexit spear_smi_remove(struct platform_device *pdev)
ret = mtd_device_unregister(&flash->mtd);
if (ret)
dev_err(&pdev->dev, "error removing mtd\n");

iounmap(flash->base_addr);
kfree(flash);
}

irq = platform_get_irq(pdev, 0);
free_irq(irq, dev);

clk_disable_unprepare(dev->clk);
clk_put(dev->clk);
iounmap(dev->io_base);
kfree(dev);

smi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(smi_base->start, resource_size(smi_base));
platform_set_drvdata(pdev, NULL);

return 0;
Expand Down

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