netdev - [PATCH net-next 3/3] r8169: improve a check in rtl_init

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Message-ID: <8afdfdf9-a74e-a35b-9f98-8d8f29bb5cb9@gmail.com>
Date:   Tue, 25 Sep 2018 07:59:36 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     David Miller <davem@...emloft.net>,
        Realtek linux nic maintainers <nic_swsd@...ltek.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 3/3] r8169: improve a check in rtl_init_one

The check for pci_is_pcie() is redundant here because all
chip versions >=18 are PCIe only anyway. In addition use
dma_set_mask_and_coherent() instead of separate calls to
pci_set_dma_mask() and pci_set_consistent_dma_mask().

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/ethernet/realtek/r8169.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 2d9e6c186..f882be49f 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7346,11 +7346,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	tp->cp_cmd = RTL_R16(tp, CPlusCmd);
 
-	if ((sizeof(dma_addr_t) > 4) &&
-	    (use_dac == 1 || (use_dac == -1 && pci_is_pcie(pdev) &&
-			      tp->mac_version >= RTL_GIGA_MAC_VER_18)) &&
-	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
-	    !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
+	if (sizeof(dma_addr_t) > 4 && (use_dac == 1 || (use_dac == -1 &&
+	    tp->mac_version >= RTL_GIGA_MAC_VER_18)) &&
+	    !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
 
 		/* CPlusCmd Dual Access Cycle is only needed for non-PCIe */
 		if (!pci_is_pcie(pdev))
-- 
2.19.0