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authorHayes Wang <hayeswang@realtek.com>2020-01-22 09:02:13 +0100
committerDavid S. Miller <davem@davemloft.net>2020-01-23 11:20:57 +0100
commitaa475d935272481c9ffb1ae54eeca5c1819fbe1a (patch)
tree6de5c9df29df96b46a7bfe786512f956cdc1e6d6 /drivers
parentr8152: avoid the MCU to clear the lanwake (diff)
downloadlinux-aa475d935272481c9ffb1ae54eeca5c1819fbe1a.tar.xz
linux-aa475d935272481c9ffb1ae54eeca5c1819fbe1a.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/usb/r8152.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index c037fc7adcea..3f425f974d03 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -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) {