PrawnOS-nonfree/resources/BuildResources/patches-tested/kernel/5.x-dwc2/0034-usb-dwc2-gadget-Remove-duplicated-phy-init.patch
Hal Emmerich 1cd8ae19a9 Add new workaround patch from ath9k devices
Add backported patched from 5.x from usb related fixes
Up kernel version to most recent lts
2019-08-21 17:31:41 -05:00

52 lines
1.8 KiB
Diff

From fb26b553bf2627ff96c38236daab0138a82c613a Mon Sep 17 00:00:00 2001
From: Jules Maselbas <jmaselbas@kalray.eu>
Date: Fri, 5 Apr 2019 15:35:30 +0200
Subject: [PATCH 34/53] usb: dwc2: gadget: Remove duplicated phy init
The function dwc2_hsotg_init is only called once just before calling
dwc2_hsotg_core_init_disconnected which does the same initialization:
setting the usbcfg register with turnaround time, timeout calibration
and phy width.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---
drivers/usb/dwc2/gadget.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 6ac850d6ad44..9b737c4e8f50 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4328,8 +4328,6 @@ static const struct usb_ep_ops dwc2_hsotg_ep_ops = {
*/
static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg)
{
- u32 trdtim;
- u32 usbcfg;
/* unmask subset of endpoint interrupts */
dwc2_writel(hsotg, DIEPMSK_TIMEOUTMSK | DIEPMSK_AHBERRMSK |
@@ -4353,17 +4351,6 @@ static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg)
dwc2_hsotg_init_fifo(hsotg);
- /* keep other bits untouched (so e.g. forced modes are not lost) */
- usbcfg = dwc2_readl(hsotg, GUSBCFG);
- usbcfg &= ~(GUSBCFG_TOUTCAL_MASK | GUSBCFG_PHYIF16 | GUSBCFG_SRPCAP |
- GUSBCFG_HNPCAP | GUSBCFG_USBTRDTIM_MASK);
-
- /* set the PLL on, remove the HNP/SRP and set the PHY */
- trdtim = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5;
- usbcfg |= hsotg->phyif | GUSBCFG_TOUTCAL(7) |
- (trdtim << GUSBCFG_USBTRDTIM_SHIFT);
- dwc2_writel(hsotg, usbcfg, GUSBCFG);
-
if (using_dma(hsotg))
dwc2_set_bit(hsotg, GAHBCFG, GAHBCFG_DMA_EN);
}
--
2.11.0