Use PLA 0xe000 bit 8 to check if disabling ALDPS is finished.
Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index f43b7a8..204f4b2 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -2836,9 +2836,15 @@ static void r8153_aldps_en(struct r8152 *tp, bool enable)
data |= EN_ALDPS;
ocp_reg_write(tp, OCP_POWER_CFG, data);
} else {
+ int i;
+
data &= ~EN_ALDPS;
ocp_reg_write(tp, OCP_POWER_CFG, data);
- msleep(20);
+ for (i = 0; i < 20; i++) {
+ usleep_range(1000, 2000);
+ if (ocp_read_word(tp, MCU_TYPE_PLA, 0xe000) & 0x0100)
+ break;
+ }
}
}
--
2.7.4
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