2023-11-29 21:26:43

by Doug Anderson

[permalink] [raw]
Subject: [PATCH net v3 3/5] r8152: Add RTL8152_INACCESSIBLE to r8156b_wait_loading_flash()

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
r8156b_wait_loading_flash().

Fixes: 195aae321c82 ("r8152: support new chips")
Reviewed-by: Grant Grundler <[email protected]>
Signed-off-by: Douglas Anderson <[email protected]>
---

Changes in v3:
- Use `break` when we see RTL8152_INACCESSIBLE, not `return`.

Changes in v2:
- Added Fixes tag to RTL8152_INACCESSIBLE patches.
- Split RTL8152_INACCESSIBLE patches by the commit the loop came from.

drivers/net/usb/r8152.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index e9955701f455..c4dd81e2421f 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5521,6 +5521,8 @@ static void r8156b_wait_loading_flash(struct r8152 *tp)
int i;

for (i = 0; i < 100; i++) {
+ if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+ break;
if (ocp_read_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL) & GPHY_PATCH_DONE)
break;
usleep_range(1000, 2000);
--
2.43.0.rc1.413.gea7ed67945-goog


2023-11-30 08:28:21

by Hayes Wang

[permalink] [raw]
Subject: RE: [PATCH net v3 3/5] r8152: Add RTL8152_INACCESSIBLE to r8156b_wait_loading_flash()

Douglas Anderson <[email protected]>
> Sent: Thursday, November 30, 2023 5:25 AM
[...]
>
> 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
> r8156b_wait_loading_flash().
>
> Fixes: 195aae321c82 ("r8152: support new chips")
> Reviewed-by: Grant Grundler <[email protected]>
> Signed-off-by: Douglas Anderson <[email protected]>

Acked-by: Hayes Wang <[email protected]>

Best Regards,
Hayes