diff mbox series

[net,v2,9/9] r8152: disable DelayPhyPwrChg

Message ID 1394712342-15778-357-Taiwan-albertk@realtek.com
State Superseded
Delegated to: David Miller
Headers show
Series r8152: serial fixes | expand

Commit Message

Hayes Wang Jan. 22, 2020, 1:41 a.m. UTC 
Enable DelayPhyPwrChg let the device fail enter the power saving mode
of P3.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
---
 drivers/net/usb/r8152.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
diff mbox series

Patch

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) {