[Backport v3.7.99-ncs3-branch] [nrf fromlist] drivers: udc_dwc2: Workaround hibernation exit glitch #2463
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… Exit Programming Guide states that bit 17 on PCGCCTL writes should be set if the controller was enumerated for High Speed operation. Add the missing bit set to adhere to the Programming Guide. Upstream PR #: 85039 Signed-off-by: Tomasz Moń <[email protected]> (cherry picked from commit f25809c)
DWC2 otg versions earlier than 5.00a are subject to randomly occurring glitch on Hibernation Exit by Host Initiated Resume, Hibernation Exit by Device Inititated Resume and Hibernation Exit by Host Initiated Reset. When the glitch happens the device address is not correctly restored. If the address is not correctly restored then the tokens addressed to the device will timeout leading to host resetting the bus. Upstream PR #: 85039 Signed-off-by: Tomasz Moń <[email protected]> (cherry picked from commit 693769a)
jfischer-no
approved these changes
Feb 5, 2025
carlescufi
approved these changes
Feb 5, 2025
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Backport 693769a~2..693769a from #2459.