linux-kernel - [PATCH net-next] r8152: remove some bit operations

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Date:   Sat, 24 Apr 2021 14:09:03 +0800
From:   Hayes Wang <hayeswang@...ltek.com>
To:     <kuba@...nel.org>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <nic_swsd@...ltek.com>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        Hayes Wang <hayeswang@...ltek.com>
Subject: [PATCH net-next] r8152: remove some bit operations

Remove DELL_TB_RX_AGG_BUG and LENOVO_MACPASSTHRU flags of rtl8152_flags.
They are only set when initializing and wouldn't be change. It is enough
to record them with variables.

Signed-off-by: Hayes Wang <hayeswang@...ltek.com>
---
 drivers/net/usb/r8152.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 9986f8969d02..136ea06540ff 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -767,8 +767,6 @@ enum rtl8152_flags {
 	PHY_RESET,
 	SCHEDULE_TASKLET,
 	GREEN_ETHERNET,
-	DELL_TB_RX_AGG_BUG,
-	LENOVO_MACPASSTHRU,
 };
 
 #define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2	0x3082
@@ -934,6 +932,8 @@ struct r8152 {
 	u32 fc_pause_on, fc_pause_off;
 
 	u32 support_2500full:1;
+	u32 lenovo_macpassthru:1;
+	u32 dell_tb_rx_agg_bug:1;
 	u16 ocp_base;
 	u16 speed;
 	u16 eee_adv;
@@ -1594,7 +1594,7 @@ static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa)
 	acpi_object_type mac_obj_type;
 	int mac_strlen;
 
-	if (test_bit(LENOVO_MACPASSTHRU, &tp->flags)) {
+	if (tp->lenovo_macpassthru) {
 		mac_obj_name = "\\MACA";
 		mac_obj_type = ACPI_TYPE_STRING;
 		mac_strlen = 0x16;
@@ -2283,7 +2283,7 @@ static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
 
 		remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
 
-		if (test_bit(DELL_TB_RX_AGG_BUG, &tp->flags))
+		if (tp->dell_tb_rx_agg_bug)
 			break;
 	}
 
@@ -6941,7 +6941,7 @@ static void r8153_init(struct r8152 *tp)
 	/* rx aggregation */
 	ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
 	ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
-	if (test_bit(DELL_TB_RX_AGG_BUG, &tp->flags))
+	if (tp->dell_tb_rx_agg_bug)
 		ocp_data |= RX_AGG_DISABLE;
 
 	ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
@@ -9447,7 +9447,7 @@ static int rtl8152_probe(struct usb_interface *intf,
 		switch (le16_to_cpu(udev->descriptor.idProduct)) {
 		case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2:
 		case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2:
-			set_bit(LENOVO_MACPASSTHRU, &tp->flags);
+			tp->lenovo_macpassthru = 1;
 		}
 	}
 
@@ -9455,7 +9455,7 @@ static int rtl8152_probe(struct usb_interface *intf,
 	    (!strcmp(udev->serial, "000001000000") ||
 	     !strcmp(udev->serial, "000002000000"))) {
 		dev_info(&udev->dev, "Dell TB16 Dock, disable RX aggregation");
-		set_bit(DELL_TB_RX_AGG_BUG, &tp->flags);
+		tp->dell_tb_rx_agg_bug = 1;
 	}
 
 	netdev->ethtool_ops = &ops;
-- 
2.26.3