diff options
Diffstat (limited to 'drivers/usb/chipidea/core.c')
| -rw-r--r-- | drivers/usb/chipidea/core.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index b399326db08f..ad4e01cd0477 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -86,6 +86,7 @@ static const u8 ci_regs_nolpm[] = { [OP_ENDPTLISTADDR] = 0x18U, [OP_TTCTRL] = 0x1CU, [OP_BURSTSIZE] = 0x20U, + [OP_ULPI_VIEWPORT] = 0x30U, [OP_PORTSC] = 0x44U, [OP_DEVLC] = 0x84U, [OP_OTGSC] = 0x64U, @@ -110,6 +111,7 @@ static const u8 ci_regs_lpm[] = { [OP_ENDPTLISTADDR] = 0x18U, [OP_TTCTRL] = 0x1CU, [OP_BURSTSIZE] = 0x20U, + [OP_ULPI_VIEWPORT] = 0x30U, [OP_PORTSC] = 0x44U, [OP_DEVLC] = 0x84U, [OP_OTGSC] = 0xC4U, @@ -285,7 +287,7 @@ static int hw_device_init(struct ci_hdrc *ci, void __iomem *base) return 0; } -static void hw_phymode_configure(struct ci_hdrc *ci) +void hw_phymode_configure(struct ci_hdrc *ci) { u32 portsc, lpm, sts = 0; @@ -879,6 +881,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) CI_HDRC_IMX28_WRITE_FIX); ci->supports_runtime_pm = !!(ci->platdata->flags & CI_HDRC_SUPPORTS_RUNTIME_PM); + platform_set_drvdata(pdev, ci); ret = hw_device_init(ci, base); if (ret < 0) { @@ -886,6 +889,10 @@ static int ci_hdrc_probe(struct platform_device *pdev) return -ENODEV; } + ret = ci_ulpi_init(ci); + if (ret) + return ret; + if (ci->platdata->phy) { ci->phy = ci->platdata->phy; } else if (ci->platdata->usb_phy) { @@ -896,11 +903,15 @@ static int ci_hdrc_probe(struct platform_device *pdev) /* if both generic PHY and USB PHY layers aren't enabled */ if (PTR_ERR(ci->phy) == -ENOSYS && - PTR_ERR(ci->usb_phy) == -ENXIO) - return -ENXIO; + PTR_ERR(ci->usb_phy) == -ENXIO) { + ret = -ENXIO; + goto ulpi_exit; + } - if (IS_ERR(ci->phy) && IS_ERR(ci->usb_phy)) - return -EPROBE_DEFER; + if (IS_ERR(ci->phy) && IS_ERR(ci->usb_phy)) { + ret = -EPROBE_DEFER; + goto ulpi_exit; + } if (IS_ERR(ci->phy)) ci->phy = NULL; @@ -985,7 +996,6 @@ static int ci_hdrc_probe(struct platform_device *pdev) } } - platform_set_drvdata(pdev, ci); ret = devm_request_irq(dev, ci->irq, ci_irq, IRQF_SHARED, ci->platdata->name, ci); if (ret) @@ -1016,6 +1026,8 @@ stop: ci_role_destroy(ci); deinit_phy: ci_usb_phy_exit(ci); +ulpi_exit: + ci_ulpi_exit(ci); return ret; } @@ -1034,6 +1046,7 @@ static int ci_hdrc_remove(struct platform_device *pdev) ci_role_destroy(ci); ci_hdrc_enter_lpm(ci, true); ci_usb_phy_exit(ci); + ci_ulpi_exit(ci); return 0; } @@ -1081,6 +1094,7 @@ static void ci_controller_suspend(struct ci_hdrc *ci) static int ci_controller_resume(struct device *dev) { struct ci_hdrc *ci = dev_get_drvdata(dev); + int ret; dev_dbg(dev, "at %s\n", __func__); @@ -1090,6 +1104,11 @@ static int ci_controller_resume(struct device *dev) } ci_hdrc_enter_lpm(ci, false); + + ret = ci_ulpi_resume(ci); + if (ret) + return ret; + if (ci->usb_phy) { usb_phy_set_suspend(ci->usb_phy, 0); usb_phy_set_wakeup(ci->usb_phy, false); |