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author | Jean Sacren <sakiwit@gmail.com> | 2016-02-10 03:47:17 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-02-10 11:10:17 (GMT) |
commit | aaa5672052cb0f18a5ab0ab19e9ef71c50e018a8 (patch) | |
tree | 71979bb5c1f962fbd4427544f14cc3ab9ffbeca6 | |
parent | 12f084120e573ba5de21879a6c491179d2f94d4e (diff) | |
download | linux-aaa5672052cb0f18a5ab0ab19e9ef71c50e018a8.tar.xz |
sxgbe: remove unused code
Remove the unused code of sxgbe_xpcs.
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Suggested-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Cc: Byungho An <bh74.an@samsung.com>
Cc: Girish K S <ks.giri@samsung.com>
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1601191918470.2531@hadrien
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/ethernet/samsung/sxgbe/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c | 91 | ||||
-rw-r--r-- | drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.h | 38 |
3 files changed, 1 insertions, 130 deletions
diff --git a/drivers/net/ethernet/samsung/sxgbe/Makefile b/drivers/net/ethernet/samsung/sxgbe/Makefile index dcc80b9..31e9685 100644 --- a/drivers/net/ethernet/samsung/sxgbe/Makefile +++ b/drivers/net/ethernet/samsung/sxgbe/Makefile @@ -1,4 +1,4 @@ obj-$(CONFIG_SXGBE_ETH) += samsung-sxgbe.o samsung-sxgbe-objs:= sxgbe_platform.o sxgbe_main.o sxgbe_desc.o \ sxgbe_dma.o sxgbe_core.o sxgbe_mtl.o sxgbe_mdio.o \ - sxgbe_ethtool.o sxgbe_xpcs.o $(samsung-sxgbe-y) + sxgbe_ethtool.o $(samsung-sxgbe-y) diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c deleted file mode 100644 index 51c3219..0000000 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.c +++ /dev/null @@ -1,91 +0,0 @@ -/* 10G controller driver for Samsung SoCs - * - * Copyright (C) 2013 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Author: Siva Reddy Kallam <siva.kallam@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/bitops.h> -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/phy.h> -#include "sxgbe_common.h" -#include "sxgbe_xpcs.h" - -static int sxgbe_xpcs_read(struct net_device *ndev, unsigned int reg) -{ - u32 value; - struct sxgbe_priv_data *priv = netdev_priv(ndev); - - value = readl(priv->ioaddr + XPCS_OFFSET + reg); - - return value; -} - -static int sxgbe_xpcs_write(struct net_device *ndev, int reg, int data) -{ - struct sxgbe_priv_data *priv = netdev_priv(ndev); - - writel(data, priv->ioaddr + XPCS_OFFSET + reg); - - return 0; -} - -int sxgbe_xpcs_init(struct net_device *ndev) -{ - u32 value; - - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - /* 10G XAUI mode */ - sxgbe_xpcs_write(ndev, SR_PCS_CONTROL2, XPCS_TYPE_SEL_X); - sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, XPCS_XAUI_MODE); - sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, value | BIT(13)); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value | BIT(11)); - - do { - value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); - } while ((value & XPCS_QSEQ_STATE_MPLLOFF) == XPCS_QSEQ_STATE_STABLE); - - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value & ~BIT(11)); - - do { - value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); - } while ((value & XPCS_QSEQ_STATE_MPLLOFF) != XPCS_QSEQ_STATE_STABLE); - - return 0; -} - -int sxgbe_xpcs_init_1G(struct net_device *ndev) -{ - int value; - - /* 10GBASE-X PCS (1G) mode */ - sxgbe_xpcs_write(ndev, SR_PCS_CONTROL2, XPCS_TYPE_SEL_X); - sxgbe_xpcs_write(ndev, VR_PCS_MMD_XAUI_MODE_CONTROL, XPCS_XAUI_MODE); - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value & ~BIT(13)); - - value = sxgbe_xpcs_read(ndev, SR_MII_MMD_CONTROL); - sxgbe_xpcs_write(ndev, SR_MII_MMD_CONTROL, value | BIT(6)); - sxgbe_xpcs_write(ndev, SR_MII_MMD_CONTROL, value & ~BIT(13)); - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value | BIT(11)); - - do { - value = sxgbe_xpcs_read(ndev, VR_PCS_MMD_DIGITAL_STATUS); - } while ((value & XPCS_QSEQ_STATE_MPLLOFF) != XPCS_QSEQ_STATE_STABLE); - - value = sxgbe_xpcs_read(ndev, SR_PCS_MMD_CONTROL1); - sxgbe_xpcs_write(ndev, SR_PCS_MMD_CONTROL1, value & ~BIT(11)); - - /* Auto Negotiation cluase 37 enable */ - value = sxgbe_xpcs_read(ndev, SR_MII_MMD_CONTROL); - sxgbe_xpcs_write(ndev, SR_MII_MMD_CONTROL, value | BIT(12)); - - return 0; -} diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.h b/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.h deleted file mode 100644 index 6b26a50..0000000 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_xpcs.h +++ /dev/null @@ -1,38 +0,0 @@ -/* 10G controller driver for Samsung SoCs - * - * Copyright (C) 2013 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Author: Byungho An <bh74.an@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __SXGBE_XPCS_H__ -#define __SXGBE_XPCS_H__ - -/* XPCS Registers */ -#define XPCS_OFFSET 0x1A060000 -#define SR_PCS_MMD_CONTROL1 0x030000 -#define SR_PCS_CONTROL2 0x030007 -#define VR_PCS_MMD_XAUI_MODE_CONTROL 0x038004 -#define VR_PCS_MMD_DIGITAL_STATUS 0x038010 -#define SR_MII_MMD_CONTROL 0x1F0000 -#define SR_MII_MMD_AN_ADV 0x1F0004 -#define SR_MII_MMD_AN_LINK_PARTNER_BA 0x1F0005 -#define VR_MII_MMD_AN_CONTROL 0x1F8001 -#define VR_MII_MMD_AN_INT_STATUS 0x1F8002 - -#define XPCS_QSEQ_STATE_STABLE 0x10 -#define XPCS_QSEQ_STATE_MPLLOFF 0x1c -#define XPCS_TYPE_SEL_R 0x00 -#define XPCS_TYPE_SEL_X 0x01 -#define XPCS_TYPE_SEL_W 0x02 -#define XPCS_XAUI_MODE 0x00 -#define XPCS_RXAUI_MODE 0x01 - -int sxgbe_xpcs_init(struct net_device *ndev); -int sxgbe_xpcs_init_1G(struct net_device *ndev); - -#endif /* __SXGBE_XPCS_H__ */ |