From: Steve Glendinning Date: Mon, 15 Dec 2008 08:59:47 +0000 (-0800) Subject: smsc9420: add ethtool register dump support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a7276db6adfded660eec1e1629710b8b82d83455;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git smsc9420: add ethtool register dump support This patch adds support for SMSC's LAN9420 PCI ethernet controller to ethtool's dump registers (-d) command. This patch is for use with an accompanying ethtool patch, which decodes the register dump. Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index 2a8e9b71de9..bc9879d5f28 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c @@ -293,6 +293,29 @@ static int smsc9420_ethtool_nway_reset(struct net_device *netdev) return phy_start_aneg(pd->phy_dev); } +static int smsc9420_ethtool_getregslen(struct net_device *dev) +{ + /* all smsc9420 registers plus all phy registers */ + return 0x100 + (32 * sizeof(u32)); +} + +static void +smsc9420_ethtool_getregs(struct net_device *dev, struct ethtool_regs *regs, + void *buf) +{ + struct smsc9420_pdata *pd = netdev_priv(dev); + struct phy_device *phy_dev = pd->phy_dev; + unsigned int i, j = 0; + u32 *data = buf; + + regs->version = smsc9420_reg_read(pd, ID_REV); + for (i = 0; i < 0x100; i += (sizeof(u32))) + data[j++] = smsc9420_reg_read(pd, i); + + for (i = 0; i <= 31; i++) + data[j++] = smsc9420_mii_read(phy_dev->bus, phy_dev->addr, i); +} + static void smsc9420_eeprom_enable_access(struct smsc9420_pdata *pd) { unsigned int temp = smsc9420_reg_read(pd, GPIO_CFG); @@ -422,6 +445,8 @@ static const struct ethtool_ops smsc9420_ethtool_ops = { .get_eeprom_len = smsc9420_ethtool_get_eeprom_len, .get_eeprom = smsc9420_ethtool_get_eeprom, .set_eeprom = smsc9420_ethtool_set_eeprom, + .get_regs_len = smsc9420_ethtool_getregslen, + .get_regs = smsc9420_ethtool_getregs, }; /* Sets the device MAC address to dev_addr */