]> www.infradead.org Git - users/jedix/linux-maple.git/commit
usb: cdns3: Add quirk flag to enable suspend residency
authorRoger Quadros <rogerq@kernel.org>
Thu, 16 May 2024 04:45:36 +0000 (10:15 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 4 Jun 2024 13:41:10 +0000 (15:41 +0200)
commit0aca19e4037a4143273e90f1b44666b78b4dde9b
treea53800094a0a93866001c3f6bd7f8b7cd0be534d
parent8b6b386f9aa936ed0c190446c71cf59d4a507690
usb: cdns3: Add quirk flag to enable suspend residency

Some platforms (e.g. ti,j721e-usb, ti,am64-usb) require
this bit to be set to workaround a lockup issue with PHY
short suspend intervals [1]. Add a platform quirk flag
to indicate if Suspend Residency should be enabled.

[1] - https://www.ti.com/lit/er/sprz457h/sprz457h.pdf
i2409 - USB: USB2 PHY locks up due to short suspend

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20240516044537.16801-2-r-gunasekaran@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/cdns3/core.h
drivers/usb/cdns3/drd.c
drivers/usb/cdns3/drd.h