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authorRoger Quadros <rogerq@ti.com>2017-04-04 11:25:27 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-04-11 10:58:30 +0300
commit6b3261a274285916720e91bfbfdb3505555daa76 (patch)
tree68ba5d32aba4ba46bb016abb488d41fd8543b50e
parentfac323471df6e196b496f94f7ca2047fa1b18387 (diff)
downloadlinux-6b3261a274285916720e91bfbfdb3505555daa76.tar.xz
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>
-rw-r--r--drivers/usb/dwc3/core.c2
-rw-r--r--drivers/usb/dwc3/core.h2
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 56f136784cd3..68e6a7b6fd81 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -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)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index d3b824912120..3464dbfe153b 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -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;