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| author | hayeswang <hayeswang@realtek.com> | 2017-06-09 17:11:46 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-09 15:37:01 -0400 |
| commit | 4214cc550bf9d986699a072988503e33d3d3155d (patch) | |
| tree | 3bf6b5297ec94e675ad31b6f09c6537a75665292 | |
| parent | befb2de18195d1ab6b843dd6ca921a222a32a588 (diff) | |
| download | linux-4214cc550bf9d986699a072988503e33d3d3155d.tar.gz linux-4214cc550bf9d986699a072988503e33d3d3155d.tar.bz2 linux-4214cc550bf9d986699a072988503e33d3d3155d.zip | |
r8152: check if disabling ALDPS is finished
Use PLA 0xe000 bit 8 to check if disabling ALDPS is finished.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/usb/r8152.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index f43b7a8ecfff..204f4b2155ae 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; + } } } |