diff mbox series

[net-next] r8169: simplify and improve check for dash

Message ID b6bb8535-640b-beb4-282f-128edd08ab48@gmail.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series [net-next] r8169: simplify and improve check for dash | expand

Commit Message

Heiner Kallweit Feb. 22, 2018, 8:37 p.m. UTC
r8168_check_dash() returns false anyway for all chip versions not
supporting dash. So we can simplify the check conditions.

In addition change the check functions to return bool instead of int,
because they actually return a bool value.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/ethernet/realtek/r8169.c | 39 +++++++++---------------------------
 1 file changed, 9 insertions(+), 30 deletions(-)

Comments

David Miller Feb. 23, 2018, 5:29 p.m. UTC | #1
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Thu, 22 Feb 2018 21:37:48 +0100

> r8168_check_dash() returns false anyway for all chip versions not
> supporting dash. So we can simplify the check conditions.
> 
> In addition change the check functions to return bool instead of int,
> because they actually return a bool value.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

Applied.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 91a03d575..96db3283e 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1472,19 +1472,19 @@  static void rtl8168_driver_stop(struct rtl8169_private *tp)
 	}
 }
 
-static int r8168dp_check_dash(struct rtl8169_private *tp)
+static bool r8168dp_check_dash(struct rtl8169_private *tp)
 {
 	u16 reg = rtl8168_get_ocp_reg(tp);
 
-	return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
+	return !!(ocp_read(tp, 0x0f, reg) & 0x00008000);
 }
 
-static int r8168ep_check_dash(struct rtl8169_private *tp)
+static bool r8168ep_check_dash(struct rtl8169_private *tp)
 {
-	return (ocp_read(tp, 0x0f, 0x128) & 0x00000001) ? 1 : 0;
+	return !!(ocp_read(tp, 0x0f, 0x128) & 0x00000001);
 }
 
-static int r8168_check_dash(struct rtl8169_private *tp)
+static bool r8168_check_dash(struct rtl8169_private *tp)
 {
 	switch (tp->mac_version) {
 	case RTL_GIGA_MAC_VER_27:
@@ -1496,7 +1496,7 @@  static int r8168_check_dash(struct rtl8169_private *tp)
 	case RTL_GIGA_MAC_VER_51:
 		return r8168ep_check_dash(tp);
 	default:
-		return 0;
+		return false;
 	}
 }
 
@@ -4982,15 +4982,8 @@  static void r8168_pll_power_down(struct rtl8169_private *tp)
 {
 	void __iomem *ioaddr = tp->mmio_addr;
 
-	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_31 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_49 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_50 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_51) &&
-	    r8168_check_dash(tp)) {
+	if (r8168_check_dash(tp))
 		return;
-	}
 
 	if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
 	     tp->mac_version == RTL_GIGA_MAC_VER_24) &&
@@ -8202,15 +8195,8 @@  static void rtl_remove_one(struct pci_dev *pdev)
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct rtl8169_private *tp = netdev_priv(dev);
 
-	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_31 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_49 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_50 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_51) &&
-	    r8168_check_dash(tp)) {
+	if (r8168_check_dash(tp))
 		rtl8168_driver_stop(tp);
-	}
 
 	netif_napi_del(&tp->napi);
 
@@ -8640,15 +8626,8 @@  static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 			   rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
 	}
 
-	if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_28 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_31 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_49 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_50 ||
-	     tp->mac_version == RTL_GIGA_MAC_VER_51) &&
-	    r8168_check_dash(tp)) {
+	if (r8168_check_dash(tp))
 		rtl8168_driver_start(tp);
-	}
 
 	netif_carrier_off(dev);