diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 5ae16368a0c7..c39e2b615ac6 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -462,6 +462,10 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) if (!IS_ERR(pdata.vbus_extcon.edev) || of_property_read_bool(np, "usb-role-switch")) data->usbmisc_data->ext_vbus = 1; + + /* usbmisc needs to know dr mode to choose wakeup setting */ + data->usbmisc_data->available_role = + ci_hdrc_query_available_role(data->ci_pdev); } ret = imx_usbmisc_init_post(data->usbmisc_data); diff --git a/drivers/usb/chipidea/ci_hdrc_imx.h b/drivers/usb/chipidea/ci_hdrc_imx.h index 727d02b6dbd3..99f846119c00 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.h +++ b/drivers/usb/chipidea/ci_hdrc_imx.h @@ -25,6 +25,7 @@ struct imx_usbmisc_data { unsigned int ext_id:1; /* ID from exteranl event */ unsigned int ext_vbus:1; /* Vbus from exteranl event */ struct usb_phy *usb_phy; + enum usb_dr_mode available_role; /* runtime usb dr mode */ }; int imx_usbmisc_init(struct imx_usbmisc_data *data); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 5c2de8185097..aa40e510b806 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -878,6 +878,33 @@ void ci_hdrc_remove_device(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(ci_hdrc_remove_device); +/** + * ci_hdrc_query_available_role: get runtime available operation mode + * + * The glue layer can get current operation mode (host/peripheral/otg) + * This function should be called after ci core device has created. + * + * @pdev: the platform device of ci core. + * + * Return runtime usb_dr_mode. + */ +enum usb_dr_mode ci_hdrc_query_available_role(struct platform_device *pdev) +{ + struct ci_hdrc *ci = platform_get_drvdata(pdev); + + if (!ci) + return USB_DR_MODE_UNKNOWN; + if (ci->roles[CI_ROLE_HOST] && ci->roles[CI_ROLE_GADGET]) + return USB_DR_MODE_OTG; + else if (ci->roles[CI_ROLE_HOST]) + return USB_DR_MODE_HOST; + else if (ci->roles[CI_ROLE_GADGET]) + return USB_DR_MODE_PERIPHERAL; + else + return USB_DR_MODE_UNKNOWN; +} +EXPORT_SYMBOL_GPL(ci_hdrc_query_available_role); + static inline void ci_role_destroy(struct ci_hdrc *ci) { ci_hdrc_gadget_destroy(ci); diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 6f173de1a5c1..60ea932afe2b 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -487,9 +487,10 @@ static void ci_add_buffer_entry(struct td_node *node, struct scatterlist *s) int empty_td_slot_index = (CI_MAX_BUF_SIZE - node->td_remaining_size) / CI_HDRC_PAGE_SIZE; int i; + u32 token; - node->ptr->token += - cpu_to_le32(sg_dma_len(s) << __ffs(TD_TOTAL_BYTES)); + token = le32_to_cpu(node->ptr->token) + (sg_dma_len(s) << __ffs(TD_TOTAL_BYTES)); + node->ptr->token = cpu_to_le32(token); for (i = empty_td_slot_index; i < TD_PAGE_COUNT; i++) { u32 page = (u32) sg_dma_address(s) + diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 8a8e7ad928a6..322e4de6b24a 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -367,10 +367,10 @@ static u32 usbmisc_wakeup_setting(struct imx_usbmisc_data *data) { u32 wakeup_setting = MX6_USB_OTG_WAKEUP_BITS; - if (data->ext_id) + if (data->ext_id || data->available_role != USB_DR_MODE_OTG) wakeup_setting &= ~MX6_BM_ID_WAKEUP; - if (data->ext_vbus) + if (data->ext_vbus || data->available_role == USB_DR_MODE_HOST) wakeup_setting &= ~MX6_BM_VBUS_WAKEUP; return wakeup_setting; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 54167a2d28ea..025b41687ce9 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -99,5 +99,7 @@ struct platform_device *ci_hdrc_add_device(struct device *dev, struct ci_hdrc_platform_data *platdata); /* Remove ci hdrc device */ void ci_hdrc_remove_device(struct platform_device *pdev); +/* Get current available role */ +enum usb_dr_mode ci_hdrc_query_available_role(struct platform_device *pdev); #endif