diff options
author | Felipe Balbi <balbi@ti.com> | 2010-12-02 09:42:50 +0200 |
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committer | Felipe Balbi <balbi@ti.com> | 2010-12-10 10:21:22 +0200 |
commit | a023c631f546ef95d58969385825a47652ab9039 (patch) | |
tree | db76714c5ca83ab8fc8a0bdbff90603e0e3d4150 | |
parent | e6480faa1067af91ab403fd3aaf6db2fe1134b13 (diff) | |
download | op-kernel-dev-a023c631f546ef95d58969385825a47652ab9039.zip op-kernel-dev-a023c631f546ef95d58969385825a47652ab9039.tar.gz |
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>
-rw-r--r-- | drivers/usb/musb/blackfin.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index b096820..02eded21 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -23,6 +23,11 @@ #include "musb_core.h" #include "blackfin.h" +struct bfin_glue { + struct device *dev; + struct platform_device *musb; +}; + /* * Load an endpoint's FIFO */ @@ -451,55 +456,69 @@ static int __init bfin_probe(struct platform_device *pdev) { struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct platform_device *musb; + struct bfin_glue *glue; int ret = -ENOMEM; + glue = kzalloc(sizeof(*glue), GFP_KERNEL); + if (!glue) { + dev_err(&pdev->dev, "failed to allocate glue context\n"); + goto err0; + } + musb = platform_device_alloc("musb-hdrc", -1); if (!musb) { dev_err(&pdev->dev, "failed to allocate musb device\n"); - goto err0; + goto err1; } musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &bfin_dmamask; musb->dev.coherent_dma_mask = bfin_dmamask; - platform_set_drvdata(pdev, musb); + glue->dev = &pdev->dev; + glue->musb = musb; + + platform_set_drvdata(pdev, glue); ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources); if (ret) { dev_err(&pdev->dev, "failed to add resources\n"); - goto err1; + goto err2; } ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); if (ret) { dev_err(&pdev->dev, "failed to add platform_data\n"); - goto err1; + goto err2; } ret = platform_device_add(musb); if (ret) { dev_err(&pdev->dev, "failed to register musb device\n"); - goto err1; + goto err2; } return 0; -err1: +err2: platform_device_put(musb); +err1: + kfree(glue); + err0: return ret; } static int __exit bfin_remove(struct platform_device *pdev) { - struct platform_device *musb = platform_get_drvdata(pdev); + struct bfin_glue *glue = platform_get_drvdata(pdev); - platform_device_del(musb); - platform_device_put(musb); + platform_device_del(glue->musb); + platform_device_put(glue->musb); + kfree(glue); return 0; } |