40 lines
975 B
C
Executable file
40 lines
975 B
C
Executable file
#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/of.h>
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#include <sound/pcm.h>
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#include "vts_util.h"
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void __iomem *vts_devm_get_request_ioremap(struct platform_device *pdev,
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const char *name, phys_addr_t *phys_addr, size_t *size)
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{
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struct resource *res;
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void __iomem *ret;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name);
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if (IS_ERR_OR_NULL(res)) {
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dev_err(&pdev->dev, "Failed to get %s\n", name);
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return ERR_PTR(-EINVAL);
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}
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if (phys_addr)
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*phys_addr = res->start;
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if (size)
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*size = resource_size(res);
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res = devm_request_mem_region(&pdev->dev, res->start,
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resource_size(res), name);
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if (IS_ERR_OR_NULL(res)) {
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dev_err(&pdev->dev, "Failed to request %s\n", name);
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return ERR_PTR(-EFAULT);
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}
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ret = devm_ioremap(&pdev->dev, res->start, resource_size(res));
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if (IS_ERR_OR_NULL(ret)) {
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dev_err(&pdev->dev, "Failed to map %s\n", name);
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return ERR_PTR(-EFAULT);
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}
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return ret;
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}
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