diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index a270b83f87dd..903c4fa20308 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1121,16 +1121,6 @@ int dwc3_core_init(struct dwc3 *dwc) } dwc3_notify_event(dwc, DWC3_CONTROLLER_POST_RESET_EVENT, 0); - /* - * clear Elastic buffer mode in GUSBPIPE_CTRL(0) register, otherwise - * it results in high link errors and could cause SS mode transfer - * failure. - */ - if (!dwc->nominal_elastic_buffer) { - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - reg &= ~DWC3_GUSB3PIPECTL_ELASTIC_BUF_MODE; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); - } return 0; @@ -1379,8 +1369,6 @@ static void dwc3_get_properties(struct dwc3 *dwc) &tx_thr_num_pkt_prd); device_property_read_u8(dev, "snps,tx-max-burst-prd", &tx_max_burst_prd); - dwc->nominal_elastic_buffer = of_property_read_bool(dev->of_node, - "nominal-elastic-buffer"); dwc->needs_fifo_resize = device_property_read_bool(dev, "tx-fifo-resize"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 763cb72ce828..53b13d9e55fb 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -337,7 +337,6 @@ #define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3) #define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1) #define DWC3_GUSB3PIPECTL_DELAYP1TRANS BIT(18) -#define DWC3_GUSB3PIPECTL_ELASTIC_BUF_MODE (1 << 0) /* Global TX Fifo Size Register */ #define DWC31_GTXFIFOSIZ_TXFRAMNUM BIT(15) /* DWC_usb31 only */ @@ -1366,7 +1365,6 @@ struct dwc3 { struct dwc3_gadget_events dbg_gadget_events; int tx_fifo_size; int last_fifo_depth; - bool nominal_elastic_buffer; /* IRQ timing statistics */ int irq;