[PATCH net v3 4/5] r8152: Add RTL8152_INACCESSIBLE to r8153_pre_firmware_1()

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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>
---

(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(+)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index c4dd81e2421f..3958eb622d47 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5645,6 +5645,8 @@ 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);
-- 
2.43.0.rc1.413.gea7ed67945-goog





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