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usb: dwc3: core: add current_dr_role member 

We're going to use this member to track which role we're currently
playing, that way we can more easily implement dual-role swap in
upcoming patches.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Roger Quadros 2017-04-04 11:25:27 +03:00 committed by Felipe Balbi
parent fac323471d
commit 6b3261a274
2 changed files with 4 additions and 0 deletions
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2
drivers/usb/dwc3/core.c
View File

@ -108,6 +108,8 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode)
reg &= ~(DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG));
reg |= DWC3_GCTL_PRTCAPDIR(mode);
dwc3_writel(dwc->regs, DWC3_GCTL, reg);
dwc->current_dr_role = mode;
}
u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type)

2
drivers/usb/dwc3/core.h
View File

@ -781,6 +781,7 @@ struct dwc3_scratchpad_array {
* @maximum_speed: maximum speed requested (mainly for testing purposes)
* @revision: revision register contents
* @dr_mode: requested mode of operation
* @current_dr_role: current role of operation when in dual-role mode
* @hsphy_mode: UTMI phy mode, one of following:
* - USBPHY_INTERFACE_MODE_UTMI
* - USBPHY_INTERFACE_MODE_UTMIW
@ -891,6 +892,7 @@ struct dwc3 {
size_t regs_size;
enum usb_dr_mode dr_mode;
u32 current_dr_role;
enum usb_phy_interface hsphy_mode;
u32 fladj;