6.12-stable review patch. If anyone has any objections, please let me know.
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From: Radhey Shyam Pandey radhey.shyam.pandey@amd.com
commit ce15d6b3d5c3c6f78290066be0f0a4fd89cdeb5b upstream.
USB5744 SMBus initialization is done once in probe() and doing it in resume is not supported so avoid going into suspend and reset the HUB.
There is a sysfs property 'always_powered_in_suspend' to implement this feature but since default state should be set to a working configuration so override this property value.
It fixes the suspend/resume testcase on Kria KR260 Robotics Starter Kit.
Fixes: 6782311d04df ("usb: misc: onboard_usb_dev: add Microchip usb5744 SMBus programming support") Cc: stable@vger.kernel.org Signed-off-by: Radhey Shyam Pandey radhey.shyam.pandey@amd.com Link: https://lore.kernel.org/r/1733165302-1694891-1-git-send-email-radhey.shyam.p... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/misc/onboard_usb_dev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/misc/onboard_usb_dev.c b/drivers/usb/misc/onboard_usb_dev.c index 36b11127280f..75ac3c6aa92d 100644 --- a/drivers/usb/misc/onboard_usb_dev.c +++ b/drivers/usb/misc/onboard_usb_dev.c @@ -407,8 +407,10 @@ static int onboard_dev_probe(struct platform_device *pdev) }
if (of_device_is_compatible(pdev->dev.of_node, "usb424,2744") || - of_device_is_compatible(pdev->dev.of_node, "usb424,5744")) + of_device_is_compatible(pdev->dev.of_node, "usb424,5744")) { err = onboard_dev_5744_i2c_init(client); + onboard_dev->always_powered_in_suspend = true; + }
put_device(&client->dev); if (err < 0)