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usb: dwc3: gadget: fix DEPSTARTCFG for non-EP0 EPs

Forráskód böngészése 
DEPSTARTCFG for non-EP0 EPs must only be sent once per config

[ balbi@ti.com : changed config_start to start_config_issued ]

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Paul Zimmerman
2011-09-30 10:58:42 +03:00
committed by Greg Kroah-Hartman
szülő 49a25cc9a7
commit b23c843992
3 fájl változott, egészen pontosan 12 új sor hozzáadva és 1 régi sor törölve
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10
drivers/usb/dwc3/gadget.c
Fájl megtekintése

@@ -237,8 +237,12 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep)
if (dep->number != 1) {
cmd = DWC3_DEPCMD_DEPSTARTCFG;
/* XferRscIdx == 0 for ep0 and 2 for the remaining */
if (dep->number > 1)
if (dep->number > 1) {
if (dwc->start_config_issued)
return 0;
dwc->start_config_issued = true;
cmd |= DWC3_DEPCMD_PARAM(2);
}
return dwc3_send_gadget_ep_cmd(dwc, 0, cmd, &params);
}
@@ -1161,6 +1165,8 @@ static int dwc3_gadget_start(struct usb_gadget *g,
reg |= DWC3_DCFG_SUPERSPEED;
dwc3_writel(dwc->regs, DWC3_DCFG, reg);
dwc->start_config_issued = false;
/* Start with SuperSpeed Default */
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
@@ -1592,6 +1598,7 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
dwc3_stop_active_transfers(dwc);
dwc3_disconnect_gadget(dwc);
dwc->start_config_issued = false;
dwc->gadget.speed = USB_SPEED_UNKNOWN;
}
@@ -1643,6 +1650,7 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
dwc3_stop_active_transfers(dwc);
dwc3_clear_stall_all_ep(dwc);
dwc->start_config_issued = false;
/* Reset device address to zero */
reg = dwc3_readl(dwc->regs, DWC3_DCFG);