forked from Minki/linux
usb: musb: blackfin: give it a context structure
that structure currently only holds a device pointer to our own platform_device and musb's platform_device, but soon it will hold pointers to our clock structures and glue-specific bits and pieces. Signed-off-by: Felipe Balbi <balbi@ti.com>
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parent
e6480faa10
commit
a023c631f5
@ -23,6 +23,11 @@
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#include "musb_core.h"
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#include "blackfin.h"
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struct bfin_glue {
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struct device *dev;
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struct platform_device *musb;
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};
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/*
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* Load an endpoint's FIFO
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*/
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@ -451,55 +456,69 @@ static int __init bfin_probe(struct platform_device *pdev)
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{
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struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
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struct platform_device *musb;
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struct bfin_glue *glue;
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int ret = -ENOMEM;
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glue = kzalloc(sizeof(*glue), GFP_KERNEL);
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if (!glue) {
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dev_err(&pdev->dev, "failed to allocate glue context\n");
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goto err0;
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}
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musb = platform_device_alloc("musb-hdrc", -1);
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if (!musb) {
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dev_err(&pdev->dev, "failed to allocate musb device\n");
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goto err0;
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goto err1;
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}
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musb->dev.parent = &pdev->dev;
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musb->dev.dma_mask = &bfin_dmamask;
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musb->dev.coherent_dma_mask = bfin_dmamask;
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platform_set_drvdata(pdev, musb);
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glue->dev = &pdev->dev;
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glue->musb = musb;
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platform_set_drvdata(pdev, glue);
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ret = platform_device_add_resources(musb, pdev->resource,
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pdev->num_resources);
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if (ret) {
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dev_err(&pdev->dev, "failed to add resources\n");
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goto err1;
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goto err2;
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}
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ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
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if (ret) {
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dev_err(&pdev->dev, "failed to add platform_data\n");
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goto err1;
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goto err2;
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}
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ret = platform_device_add(musb);
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if (ret) {
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dev_err(&pdev->dev, "failed to register musb device\n");
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goto err1;
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goto err2;
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}
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return 0;
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err1:
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err2:
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platform_device_put(musb);
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err1:
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kfree(glue);
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err0:
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return ret;
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}
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static int __exit bfin_remove(struct platform_device *pdev)
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{
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struct platform_device *musb = platform_get_drvdata(pdev);
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struct bfin_glue *glue = platform_get_drvdata(pdev);
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platform_device_del(musb);
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platform_device_put(musb);
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platform_device_del(glue->musb);
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platform_device_put(glue->musb);
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kfree(glue);
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return 0;
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}
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