mirror of
https://github.com/edk2-porting/linux-next.git
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fb4e98ab63
CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Peter Korsgaard <jacmet@sunsite.dk> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Acked-by: Felipe Balbi <balbi@ti.com> Cc: Li Yang <leoli@freescale.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/usb/msm_hsusb_hw.h>
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#include <linux/usb/ulpi.h>
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#include <linux/usb/gadget.h>
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#include <linux/usb/chipidea.h>
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#include "ci.h"
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#define MSM_USB_BASE (ci->hw_bank.abs)
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static void ci13xxx_msm_notify_event(struct ci13xxx *ci, unsigned event)
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{
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struct device *dev = ci->gadget.dev.parent;
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int val;
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switch (event) {
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case CI13XXX_CONTROLLER_RESET_EVENT:
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dev_dbg(dev, "CI13XXX_CONTROLLER_RESET_EVENT received\n");
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writel(0, USB_AHBBURST);
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writel(0, USB_AHBMODE);
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break;
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case CI13XXX_CONTROLLER_STOPPED_EVENT:
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dev_dbg(dev, "CI13XXX_CONTROLLER_STOPPED_EVENT received\n");
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/*
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* Put the transceiver in non-driving mode. Otherwise host
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* may not detect soft-disconnection.
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*/
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val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
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val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
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val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
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usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
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break;
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default:
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dev_dbg(dev, "unknown ci13xxx event\n");
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break;
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}
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}
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static struct ci13xxx_platform_data ci13xxx_msm_platdata = {
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.name = "ci13xxx_msm",
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.flags = CI13XXX_REGS_SHARED |
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CI13XXX_REQUIRE_TRANSCEIVER |
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CI13XXX_PULLUP_ON_VBUS |
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CI13XXX_DISABLE_STREAMING,
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.notify_event = ci13xxx_msm_notify_event,
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};
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static int ci13xxx_msm_probe(struct platform_device *pdev)
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{
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struct platform_device *plat_ci;
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dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
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plat_ci = ci13xxx_add_device(&pdev->dev,
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pdev->resource, pdev->num_resources,
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&ci13xxx_msm_platdata);
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if (IS_ERR(plat_ci)) {
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dev_err(&pdev->dev, "ci13xxx_add_device failed!\n");
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return PTR_ERR(plat_ci);
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}
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platform_set_drvdata(pdev, plat_ci);
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pm_runtime_no_callbacks(&pdev->dev);
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pm_runtime_enable(&pdev->dev);
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return 0;
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}
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static int ci13xxx_msm_remove(struct platform_device *pdev)
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{
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struct platform_device *plat_ci = platform_get_drvdata(pdev);
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pm_runtime_disable(&pdev->dev);
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ci13xxx_remove_device(plat_ci);
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return 0;
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}
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static struct platform_driver ci13xxx_msm_driver = {
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.probe = ci13xxx_msm_probe,
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.remove = ci13xxx_msm_remove,
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.driver = { .name = "msm_hsusb", },
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};
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module_platform_driver(ci13xxx_msm_driver);
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MODULE_ALIAS("platform:msm_hsusb");
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MODULE_LICENSE("GPL v2");
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