diff options
| author | Hayes Wang <hayeswang@realtek.com> | 2020-01-22 16:02:06 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-01-23 11:20:57 +0100 |
| commit | f99cd20eda12b1920ffc284a736437c016b3a5a2 (patch) | |
| tree | 4cbb08abaa36130f12726f35843177bca65395ac /drivers/net/usb | |
| parent | a39142728d0e60a76b67db3cbc187d61fde7b46d (diff) | |
| download | linux-stable-f99cd20eda12b1920ffc284a736437c016b3a5a2.tar.gz linux-stable-f99cd20eda12b1920ffc284a736437c016b3a5a2.tar.bz2 linux-stable-f99cd20eda12b1920ffc284a736437c016b3a5a2.zip | |
r8152: reset flow control patch when linking on for RTL8153B
When linking ON, the patch of flow control has to be reset. This
makes sure the patch works normally.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/r8152.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 115559707683..504db2348a3e 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2865,6 +2865,17 @@ static int rtl8153_enable(struct r8152 *tp) r8153_set_rx_early_timeout(tp); r8153_set_rx_early_size(tp); + if (tp->version == RTL_VER_09) { + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK); + ocp_data &= ~FC_PATCH_TASK; + ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data); + usleep_range(1000, 2000); + ocp_data |= FC_PATCH_TASK; + ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data); + } + return rtl_enable(tp); } |