diff mbox series

[net,v3,5/5] r8152: Add RTL8152_INACCESSIBLE to r8153_aldps_en()

Message ID 20231129132521.net.v3.5.I1306b6432228404d6e61b2d43c2f71885292e972@changeid
State New
Headers
Series [net,v3,1/5] r8152: Hold the rtnl_lock for all of reset |

Commit Message

Doug Anderson Nov. 29, 2023, 9:25 p.m. UTC 
  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_aldps_en().

Fixes: 4214cc550bf9 ("r8152: check if disabling ALDPS is finished")
Reviewed-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
---

(no changes since v2)

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(+)

Comments

Hayes Wang Nov. 30, 2023, 8:27 a.m. UTC | #1 
Douglas Anderson <dianders@chromium.org>
> 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 r8153_aldps_en().
> 
> Fixes: 4214cc550bf9 ("r8152: check if disabling ALDPS is finished")
> Reviewed-by: Grant Grundler <grundler@chromium.org>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>

Acked-by: Hayes Wang <hayeswang@realtek.com>

Best Regards,
Hayes
diff mbox series

Patch

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 3958eb622d47..fcdc9ba0f826 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5803,6 +5803,8 @@  static void r8153_aldps_en(struct r8152 *tp, bool enable)
 		data &= ~EN_ALDPS;
 		ocp_reg_write(tp, OCP_POWER_CFG, data);
 		for (i = 0; i < 20; i++) {
+			if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+				return;
 			usleep_range(1000, 2000);
 			if (ocp_read_word(tp, MCU_TYPE_PLA, 0xe000) & 0x0100)
 				break;