diff options
author | Felipe Balbi <balbi@ti.com> | 2010-12-02 09:19:35 +0200 |
---|---|---|
committer | Felipe Balbi <balbi@ti.com> | 2010-12-10 10:21:16 +0200 |
commit | 8ceae51ed5d1739d4ed5c4b947d12ff1d7df0e89 (patch) | |
tree | e804ca6410e24a239ee826fc44e200dfbf502ca1 /drivers/usb/musb/da8xx.c | |
parent | 73b089b052a69020b953312a624a6e1eb5b81fab (diff) | |
download | op-kernel-dev-8ceae51ed5d1739d4ed5c4b947d12ff1d7df0e89.zip op-kernel-dev-8ceae51ed5d1739d4ed5c4b947d12ff1d7df0e89.tar.gz |
usb: musb: split da8xx to its own platform_driver
Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/da8xx.c')
-rw-r--r-- | drivers/usb/musb/da8xx.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 6161fc5..b80b7da 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -29,6 +29,8 @@ #include <linux/init.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> #include <mach/da8xx.h> #include <mach/usb.h> @@ -480,3 +482,85 @@ const struct musb_platform_ops musb_ops = { .set_vbus = da8xx_musb_set_vbus, }; + +static u64 da8xx_dmamask = DMA_BIT_MASK(32); + +static int __init da8xx_probe(struct platform_device *pdev) +{ + struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; + struct platform_device *musb; + + int ret = -ENOMEM; + + musb = platform_device_alloc("musb-hdrc", -1); + if (!musb) { + dev_err(&pdev->dev, "failed to allocate musb device\n"); + goto err0; + } + + musb->dev.parent = &pdev->dev; + musb->dev.dma_mask = &da8xx_dmamask; + musb->dev.coherent_dma_mask = da8xx_dmamask; + + platform_set_drvdata(pdev, musb); + + ret = platform_device_add_resources(musb, pdev->resource, + pdev->num_resources); + if (ret) { + dev_err(&pdev->dev, "failed to add resources\n"); + goto err1; + } + + ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); + if (ret) { + dev_err(&pdev->dev, "failed to add platform_data\n"); + goto err1; + } + + ret = platform_device_add(musb); + if (ret) { + dev_err(&pdev->dev, "failed to register musb device\n"); + goto err1; + } + + return 0; + +err1: + platform_device_put(musb); + +err0: + return ret; +} + +static int __exit da8xx_remove(struct platform_device *pdev) +{ + struct platform_device *musb = platform_get_drvdata(pdev); + + platform_device_del(musb); + platform_device_put(musb); + + return 0; +} + +static struct platform_driver da8xx_driver = { + .remove = __exit_p(da8xx_remove), + .driver = { + .name = "musb-da8xx", + }, +}; + +MODULE_DESCRIPTION("DA8xx/OMAP-L1x MUSB Glue Layer"); +MODULE_AUTHOR("Sergei Shtylyov <sshtylyov@ru.mvista.com>"); +MODULE_LICENSE("GPL v2"); + +static int __init da8xx_init(void) +{ + return platform_driver_probe(&da8xx_driver, da8xx_probe); +} +subsys_initcall(da8xx_init); + +static void __exit da8xx_exit(void) +{ + platform_driver_unregister(&da8xx_driver); +} +module_exit(da8xx_exit); |