To accept LPM token during ISOC transfers when TxFIFO is not empty. Signed-off-by: Artur Petrosyan <arturp@xxxxxxxxxxxx> Signed-off-by: Minas Harutyunyan <hminas@xxxxxxxxxxxx> --- drivers/usb/dwc2/gadget.c | 1 + drivers/usb/dwc2/hw.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 6bd4054e894d..63d53619fd21 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -5026,6 +5026,7 @@ void dwc2_gadget_init_lpm(struct dwc2_hsotg *hsotg) val |= hsotg->params.lpm_clock_gating ? GLPMCFG_ENBLSLPM : 0; val |= hsotg->params.hird_threshold << GLPMCFG_HIRD_THRES_SHIFT; val |= hsotg->params.besl ? GLPMCFG_ENBESL : 0; + val |= GLPMCFG_RETRY_CNT_1; dwc2_writel(hsotg, val, GLPMCFG); dev_dbg(hsotg->dev, "GLPMCFG=0x%08x\n", dwc2_readl(hsotg, GLPMCFG)); diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h index 2b1ea441b7d4..84d2b32f4831 100644 --- a/drivers/usb/dwc2/hw.h +++ b/drivers/usb/dwc2/hw.h @@ -333,6 +333,9 @@ #define GLPMCFG_SNDLPM BIT(24) #define GLPMCFG_RETRY_CNT_MASK (0x7 << 21) #define GLPMCFG_RETRY_CNT_SHIFT 21 +#define GLPMCFG_RETRY_CNT_0 21 +#define GLPMCFG_RETRY_CNT_1 22 +#define GLPMCFG_RETRY_CNT_2 23 #define GLPMCFG_LPM_CHNL_INDX_MASK (0xf << 17) #define GLPMCFG_LPM_CHNL_INDX_SHIFT 17 #define GLPMCFG_L1RESUMEOK BIT(16) -- 2.11.0
