diff options
Diffstat (limited to 'drivers/usb/host/xhci-fsl.c')
| -rw-r--r-- | drivers/usb/host/xhci-fsl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-fsl.c b/drivers/usb/host/xhci-fsl.c index bda5b5f913..2529d0eb13 100644 --- a/drivers/usb/host/xhci-fsl.c +++ b/drivers/usb/host/xhci-fsl.c @@ -58,6 +58,13 @@ static void fsl_apply_xhci_errata(void) } } +static void fsl_xhci_set_beat_burst_length(struct dwc3 *dwc3_reg) +{ + clrsetbits_le32(&dwc3_reg->g_sbuscfg0, USB3_ENABLE_BEAT_BURST_MASK, + USB3_ENABLE_BEAT_BURST); + setbits_le32(&dwc3_reg->g_sbuscfg1, USB3_SET_BEAT_BURST_LIMIT); +} + static int fsl_xhci_core_init(struct fsl_xhci *fsl_xhci) { int ret = 0; @@ -74,6 +81,9 @@ static int fsl_xhci_core_init(struct fsl_xhci *fsl_xhci) /* Set GFLADJ_30MHZ as 20h as per XHCI spec default value */ dwc3_set_fladj(fsl_xhci->dwc3_reg, GFLADJ_30MHZ_DEFAULT); + /* Change beat burst and outstanding pipelined transfers requests */ + fsl_xhci_set_beat_burst_length(fsl_xhci->dwc3_reg); + return ret; } |