diff options
| author | Nikhil Badola <nikhil.badola@freescale.com> | 2015-06-23 06:47:49 +0300 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-07-22 09:55:45 +0300 |
| commit | 667f4dd90f0f40f8d4fde7ef280550ef5f7946f8 (patch) | |
| tree | a1aa1a10e681322ca31a4671cd3c9400cba27b8a /drivers/usb/host/xhci-dwc3.c | |
| parent | 7e5a32fcf378d30cb2ab5f8471071350574ff70a (diff) | |
| download | u-boot-667f4dd90f0f40f8d4fde7ef280550ef5f7946f8.tar.xz | |
drivers: usb: fsl: Implement Erratum A-009116 for XHCI controller
This adjusts (micro)frame length to appropriate value thus
avoiding USB devices to time out over a longer run
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Diffstat (limited to 'drivers/usb/host/xhci-dwc3.c')
| -rw-r--r-- | drivers/usb/host/xhci-dwc3.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 67147cb627..c722c504ad 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -89,3 +89,9 @@ int dwc3_core_init(struct dwc3 *dwc3_reg) return 0; } + +void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val) +{ + setbits_le32(&dwc3_reg->g_fladj, GFLADJ_30MHZ_REG_SEL | + GFLADJ_30MHZ(val)); +} |