On Wednesday 08 February 2012 09:56 AM, Ajay Kumar Gupta wrote:
> +static int dsps_musb_init(struct musb *musb)
> +{
> + struct device *dev = musb->controller;
> + struct musb_hdrc_platform_data *plat = dev->platform_data;
> + struct platform_device *pdev = to_platform_device(dev->parent);
> + struct dsps_glue *glue = platform_get_drvdata(pdev);
> + const struct dsps_musb_wrapper *wrp = glue->wrp;
> + struct omap_musb_board_data *data = plat->board_data;
> + void __iomem *reg_base = musb->ctrl_base;
> + u32 rev, val;
> + int status;
> +
> + /* mentor core register starts at offset of 0x400 from musb base */
> + musb->mregs += wrp->musb_core_offset;
> +
> + /* NOP driver needs change if supporting dual instance */
> + usb_nop_xceiv_register();
> + musb->xceiv = otg_get_transceiver();
> + if (!musb->xceiv)
> + return -ENODEV;
> +
> + status = pm_runtime_get_sync(dev);
> + if (status < 0) {
> + dev_err(dev, "pm_runtime_get_sync FAILED");
> + goto err0;
> + }
So you are doing a get_sync at init and you cut the clocks at exit only.
Any particular reason for that.
> +
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