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r8152: disable DelayPhyPwrChg 

When enabling this, the device would wait an internal signal which
wouldn't be triggered. Then, the device couldn't enter P3 mode, so
the power consumption is increased.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hayes Wang 2020-01-22 16:02:13 +08:00 committed by David S. Miller
parent 1981316289
commit aa475d9352
1 changed files with 9 additions and 1 deletions
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10
drivers/net/usb/r8152.c
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@ -31,7 +31,7 @@
#define NETNEXT_VERSION "11"
/* Information for net */
#define NET_VERSION "10"
#define NET_VERSION "11"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@ -109,6 +109,7 @@
#define PLA_BP_EN 0xfc38
#define USB_USB2PHY 0xb41e
#define USB_SSPHYLINK1 0xb426
#define USB_SSPHYLINK2 0xb428
#define USB_U2P3_CTRL 0xb460
#define USB_CSR_DUMMY1 0xb464
@ -384,6 +385,9 @@
#define USB2PHY_SUSPEND 0x0001
#define USB2PHY_L1 0x0002
/* USB_SSPHYLINK1 */
#define DELAY_PHY_PWR_CHG BIT(1)
/* USB_SSPHYLINK2 */
#define pwd_dn_scale_mask 0x3ffe
#define pwd_dn_scale(x) ((x) << 1)
@ -4994,6 +4998,10 @@ static void rtl8153_up(struct r8152 *tp)
ocp_data &= ~LANWAKE_PIN;
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1);
ocp_data &= ~DELAY_PHY_PWR_CHG;
ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1, ocp_data);
r8153_aldps_en(tp, true);
switch (tp->version) {