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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-09 08:40:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-09-09 08:40:22 +0200
commitf299cd11f7539482e87b2d2d527968a26b33f0ec (patch)
treeabc4443b5666f567f3b83bf2a0cefe87a8930101 /drivers/usb/dwc3/core.c
parent9c0c11bb87b09a8b7cdc21ca1090e7b36abe9d09 (diff)
parentda3ea35007d0af457a0afc87e84fddaebc4e0b63 (diff)
Merge 6.11-rc7 into usb-next
We need the USB fixes in here as well, and this also resolves the merge conflict in: drivers/usb/typec/ucsi/ucsi.c Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
-rw-r--r--drivers/usb/dwc3/core.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ccc3895dbd7f..9eb085f359ce 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1387,6 +1387,21 @@ static int dwc3_core_init(struct dwc3 *dwc)
}
/*
+ * STAR 9001285599: This issue affects DWC_usb3 version 3.20a
+ * only. If the PM TIMER ECM is enabled through GUCTL2[19], the
+ * link compliance test (TD7.21) may fail. If the ECN is not
+ * enabled (GUCTL2[19] = 0), the controller will use the old timer
+ * value (5us), which is still acceptable for the link compliance
+ * test. Therefore, do not enable PM TIMER ECM in 3.20a by
+ * setting GUCTL2[19] by default; instead, use GUCTL2[19] = 0.
+ */
+ if (DWC3_VER_IS(DWC3, 320A)) {
+ reg = dwc3_readl(dwc->regs, DWC3_GUCTL2);
+ reg &= ~DWC3_GUCTL2_LC_TIMER;
+ dwc3_writel(dwc->regs, DWC3_GUCTL2, reg);
+ }
+
+ /*
* When configured in HOST mode, after issuing U3/L2 exit controller
* fails to send proper CRC checksum in CRC5 feild. Because of this
* behaviour Transaction Error is generated, resulting in reset and