This is a note to let you know that I've just added the patch titled
r8152: Add RTL8152_INACCESSIBLE to r8153_pre_firmware_1()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
r8152-add-rtl8152_inaccessible-to-r8153_pre_firmware.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit d6e915daf4add035249c2b9bf49d54bc9ae79365
Author: Douglas Anderson <dianders@xxxxxxxxxxxx>
Date: Wed Nov 29 13:25:23 2023 -0800
r8152: Add RTL8152_INACCESSIBLE to r8153_pre_firmware_1()
[ Upstream commit 8c53a7bd706535a9cf4e2ec3a4e8d61d46353ca0 ]
Delay loops in r8152 should break out if RTL8152_INACCESSIBLE is set
so that they don't delay too long if the device becomes
inaccessible. Add the break to the loop in r8153_pre_firmware_1().
Fixes: 9370f2d05a2a ("r8152: support request_firmware for RTL8153")
Reviewed-by: Grant Grundler <grundler@xxxxxxxxxxxx>
Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
Acked-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index c4a3076bb2261..da3a2a5584a58 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5520,6 +5520,8 @@ static int r8153_pre_firmware_1(struct r8152 *tp)
for (i = 0; i < 104; i++) {
u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_WDT1_CTRL);
+ if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+ return -ENODEV;
if (!(ocp_data & WTD1_EN))
break;
usleep_range(1000, 2000);
