diff options
Diffstat (limited to 'drivers/usb/chipidea/host.c')
| -rw-r--r-- | drivers/usb/chipidea/host.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 8e9d31277c43..6f96795dd20c 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -24,6 +24,7 @@ #include <linux/usb.h> #include <linux/usb/hcd.h> #include <linux/usb/chipidea.h> +#include <linux/regulator/consumer.h> #include "../host/ehci.h" @@ -33,12 +34,12 @@ static struct hc_driver __read_mostly ci_ehci_hc_driver; -static irqreturn_t host_irq(struct ci13xxx *ci) +static irqreturn_t host_irq(struct ci_hdrc *ci) { return usb_hcd_irq(ci->irq, ci->hcd); } -static int host_start(struct ci13xxx *ci) +static int host_start(struct ci_hdrc *ci) { struct usb_hcd *hcd; struct ehci_hcd *ehci; @@ -63,28 +64,56 @@ static int host_start(struct ci13xxx *ci) ehci = hcd_to_ehci(hcd); ehci->caps = ci->hw_bank.cap; ehci->has_hostpc = ci->hw_bank.lpm; + ehci->has_tdi_phy_lpm = ci->hw_bank.lpm; + + if (ci->platdata->reg_vbus) { + ret = regulator_enable(ci->platdata->reg_vbus); + if (ret) { + dev_err(ci->dev, + "Failed to enable vbus regulator, ret=%d\n", + ret); + goto put_hcd; + } + } ret = usb_add_hcd(hcd, 0, 0); if (ret) - usb_put_hcd(hcd); + goto disable_reg; else ci->hcd = hcd; - if (ci->platdata->flags & CI13XXX_DISABLE_STREAMING) + if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING) hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); return ret; + +disable_reg: + regulator_disable(ci->platdata->reg_vbus); + +put_hcd: + usb_put_hcd(hcd); + + return ret; } -static void host_stop(struct ci13xxx *ci) +static void host_stop(struct ci_hdrc *ci) { struct usb_hcd *hcd = ci->hcd; usb_remove_hcd(hcd); usb_put_hcd(hcd); + if (ci->platdata->reg_vbus) + regulator_disable(ci->platdata->reg_vbus); +} + + +void ci_hdrc_host_destroy(struct ci_hdrc *ci) +{ + if (ci->role == CI_ROLE_HOST) + host_stop(ci); } -int ci_hdrc_host_init(struct ci13xxx *ci) +int ci_hdrc_host_init(struct ci_hdrc *ci) { struct ci_role_driver *rdrv; |
