linux-kernel - [PATCH 4/7] staging: vt6655: Add parameter to function vt6655_mac_dma

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Date:   Mon, 18 Jul 2022 00:20:21 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Forest Bond <forest@...ttletooquiet.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 4/7] staging: vt6655: Add parameter to function
 vt6655_mac_dma_ctl

Add one parameter to avoid multiple repetitions of the same macro/function.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 drivers/staging/vt6655/device_main.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index cf25644f8671..31e0e55b9220 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -125,7 +125,7 @@ static void device_print_info(struct vnt_private *priv);
 static void vt6655_mac_write_bssid_addr(void __iomem *iobase, const u8 *mac_addr);
 static void vt6655_mac_read_ether_addr(void __iomem *iobase, u8 *mac_addr);
 
-static void vt6655_mac_dma_ctl(void __iomem *iobase);
+static void vt6655_mac_dma_ctl(void __iomem *iobase, u8 reg_index);
 
 static int device_init_rd0_ring(struct vnt_private *priv);
 static int device_init_rd1_ring(struct vnt_private *priv);
@@ -207,15 +207,15 @@ static void vt6655_mac_read_ether_addr(void __iomem *iobase, u8 *mac_addr)
 	iowrite8(0, iobase + MAC_REG_PAGE1SEL);
 }
 
-static void vt6655_mac_dma_ctl(void __iomem *iobase)
+static void vt6655_mac_dma_ctl(void __iomem *iobase, u8 reg_index)
 {
 	unsigned long reg_value;
 
-	reg_value = ioread32(iobase + MAC_REG_RXDMACTL0);
+	reg_value = ioread32(iobase + reg_index);
 	if (reg_value & DMACTL_RUN)
-		iowrite32(DMACTL_WAKE, iobase + MAC_REG_RXDMACTL0);
+		iowrite32(DMACTL_WAKE, iobase + reg_index);
 	else
-		iowrite32(DMACTL_RUN, iobase + MAC_REG_RXDMACTL0);
+		iowrite32(DMACTL_RUN, iobase + reg_index);
 }
 
 /*
@@ -433,7 +433,7 @@ static void device_init_registers(struct vnt_private *priv)
 		vt6655_mac_reg_bits_on(priv->port_offset, MAC_REG_RCR, RCR_WPAERR);
 
 	/* Turn On Rx DMA */
-	vt6655_mac_dma_ctl(priv->port_offset);
+	vt6655_mac_dma_ctl(priv->port_offset, MAC_REG_RXDMACTL0);
 	MACvReceive1(priv->port_offset);
 
 	/* start the adapter */
@@ -1148,7 +1148,7 @@ static void vnt_interrupt_process(struct vnt_private *priv)
 
 		isr = ioread32(priv->port_offset + MAC_REG_ISR);
 
-		vt6655_mac_dma_ctl(priv->port_offset);
+		vt6655_mac_dma_ctl(priv->port_offset, MAC_REG_RXDMACTL0);
 		MACvReceive1(priv->port_offset);
 
 		if (max_count > priv->opts.int_works)
-- 
2.37.1