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Commit ed72bd5a authored by Simon Horman's avatar Simon Horman Committed by David S. Miller
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ksz884x: Remove unused functions 

Remove unused functions.

These functions may have some value in documenting the
hardware. But that information may be accessed via SCM history.

Flagged by clang-16 with W=1.
No functional change intended.
Compile tested only.
Signed-off-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent be690daa
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Showing with 0 additions and 294 deletions
drivers/net/ethernet/micrel/ksz884x.c
View file @ ed72bd5a
......@@ -1476,15 +1476,6 @@ static void hw_turn_on_intr(struct ksz_hw *hw, u32 bit)
hw_set_intr(hw, hw->intr_mask);
}
static inline void hw_ena_intr_bit(struct ksz_hw *hw, uint interrupt)
{
u32 read_intr;
read_intr = readl(hw->io + KS884X_INTERRUPTS_ENABLE);
hw->intr_set = read_intr | interrupt;
writel(hw->intr_set, hw->io + KS884X_INTERRUPTS_ENABLE);
}
static inline void hw_read_intr(struct ksz_hw *hw, uint *status)
{
*status = readl(hw->io + KS884X_INTERRUPTS_STATUS);
......@@ -1853,29 +1844,6 @@ static void port_init_cnt(struct ksz_hw *hw, int port)
* Port functions
*/
/**
* port_chk - check port register bits
* @hw: The hardware instance.
* @port: The port index.
* @offset: The offset of the port register.
* @bits: The data bits to check.
*
* This function checks whether the specified bits of the port register are set
* or not.
*
* Return 0 if the bits are not set.
*/
static int port_chk(struct ksz_hw *hw, int port, int offset, u16 bits)
{
u32 addr;
u16 data;
PORT_CTRL_ADDR(port, addr);
addr += offset;
data = readw(hw->io + addr);
return (data & bits) == bits;
}
/**
* port_cfg - set port register bits
* @hw: The hardware instance.
......@@ -1902,53 +1870,6 @@ static void port_cfg(struct ksz_hw *hw, int port, int offset, u16 bits,
writew(data, hw->io + addr);
}
/**
* port_chk_shift - check port bit
* @hw: The hardware instance.
* @port: The port index.
* @addr: The offset of the register.
* @shift: Number of bits to shift.
*
* This function checks whether the specified port is set in the register or
* not.
*
* Return 0 if the port is not set.
*/
static int port_chk_shift(struct ksz_hw *hw, int port, u32 addr, int shift)
{
u16 data;
u16 bit = 1 << port;
data = readw(hw->io + addr);
data >>= shift;
return (data & bit) == bit;
}
/**
* port_cfg_shift - set port bit
* @hw: The hardware instance.
* @port: The port index.
* @addr: The offset of the register.
* @shift: Number of bits to shift.
* @set: The flag indicating whether the port is to be set or not.
*
* This routine sets or resets the specified port in the register.
*/
static void port_cfg_shift(struct ksz_hw *hw, int port, u32 addr, int shift,
int set)
{
u16 data;
u16 bits = 1 << port;
data = readw(hw->io + addr);
bits <<= shift;
if (set)
data |= bits;
else
data &= ~bits;
writew(data, hw->io + addr);
}
/**
* port_r8 - read byte from port register
* @hw: The hardware instance.
......@@ -2051,12 +1972,6 @@ static inline void port_cfg_broad_storm(struct ksz_hw *hw, int p, int set)
KS8842_PORT_CTRL_1_OFFSET, PORT_BROADCAST_STORM, set);
}
static inline int port_chk_broad_storm(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_BROADCAST_STORM);
}
/* Driver set switch broadcast storm protection at 10% rate. */
#define BROADCAST_STORM_PROTECTION_RATE 10
......@@ -2209,102 +2124,6 @@ static inline void port_cfg_back_pressure(struct ksz_hw *hw, int p, int set)
KS8842_PORT_CTRL_2_OFFSET, PORT_BACK_PRESSURE, set);
}
static inline void port_cfg_force_flow_ctrl(struct ksz_hw *hw, int p, int set)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_FORCE_FLOW_CTRL, set);
}
static inline int port_chk_back_pressure(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_BACK_PRESSURE);
}
static inline int port_chk_force_flow_ctrl(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_FORCE_FLOW_CTRL);
}
/* Spanning Tree */
static inline void port_cfg_rx(struct ksz_hw *hw, int p, int set)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_RX_ENABLE, set);
}
static inline void port_cfg_tx(struct ksz_hw *hw, int p, int set)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_TX_ENABLE, set);
}
static inline void sw_cfg_fast_aging(struct ksz_hw *hw, int set)
{
sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET, SWITCH_FAST_AGING, set);
}
static inline void sw_flush_dyn_mac_table(struct ksz_hw *hw)
{
if (!(hw->overrides & FAST_AGING)) {
sw_cfg_fast_aging(hw, 1);
mdelay(1);
sw_cfg_fast_aging(hw, 0);
}
}
/* VLAN */
static inline void port_cfg_ins_tag(struct ksz_hw *hw, int p, int insert)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_INSERT_TAG, insert);
}
static inline void port_cfg_rmv_tag(struct ksz_hw *hw, int p, int remove)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_REMOVE_TAG, remove);
}
static inline int port_chk_ins_tag(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_INSERT_TAG);
}
static inline int port_chk_rmv_tag(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_REMOVE_TAG);
}
static inline void port_cfg_dis_non_vid(struct ksz_hw *hw, int p, int set)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_DISCARD_NON_VID, set);
}
static inline void port_cfg_in_filter(struct ksz_hw *hw, int p, int set)
{
port_cfg(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_INGRESS_VLAN_FILTER, set);
}
static inline int port_chk_dis_non_vid(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_DISCARD_NON_VID);
}
static inline int port_chk_in_filter(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_INGRESS_VLAN_FILTER);
}
/* Mirroring */
static inline void port_cfg_mirror_sniffer(struct ksz_hw *hw, int p, int set)
......@@ -2342,28 +2161,6 @@ static void sw_init_mirror(struct ksz_hw *hw)
sw_cfg_mirror_rx_tx(hw, 0);
}
static inline void sw_cfg_unk_def_deliver(struct ksz_hw *hw, int set)
{
sw_cfg(hw, KS8842_SWITCH_CTRL_7_OFFSET,
SWITCH_UNK_DEF_PORT_ENABLE, set);
}
static inline int sw_cfg_chk_unk_def_deliver(struct ksz_hw *hw)
{
return sw_chk(hw, KS8842_SWITCH_CTRL_7_OFFSET,
SWITCH_UNK_DEF_PORT_ENABLE);
}
static inline void sw_cfg_unk_def_port(struct ksz_hw *hw, int port, int set)
{
port_cfg_shift(hw, port, KS8842_SWITCH_CTRL_7_OFFSET, 0, set);
}
static inline int sw_chk_unk_def_port(struct ksz_hw *hw, int port)
{
return port_chk_shift(hw, port, KS8842_SWITCH_CTRL_7_OFFSET, 0);
}
/* Priority */
static inline void port_cfg_diffserv(struct ksz_hw *hw, int p, int set)
......@@ -2390,30 +2187,6 @@ static inline void port_cfg_prio(struct ksz_hw *hw, int p, int set)
KS8842_PORT_CTRL_1_OFFSET, PORT_PRIO_QUEUE_ENABLE, set);
}
static inline int port_chk_diffserv(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_DIFFSERV_ENABLE);
}
static inline int port_chk_802_1p(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_802_1P_ENABLE);
}
static inline int port_chk_replace_vid(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_2_OFFSET, PORT_USER_PRIORITY_CEILING);
}
static inline int port_chk_prio(struct ksz_hw *hw, int p)
{
return port_chk(hw, p,
KS8842_PORT_CTRL_1_OFFSET, PORT_PRIO_QUEUE_ENABLE);
}
/**
* sw_dis_diffserv - disable switch DiffServ priority
* @hw: The hardware instance.
......@@ -2613,23 +2386,6 @@ static void sw_cfg_port_base_vlan(struct ksz_hw *hw, int port, u8 member)
hw->ksz_switch->port_cfg[port].member = member;
}
/**
* sw_get_addr - get the switch MAC address.
* @hw: The hardware instance.
* @mac_addr: Buffer to store the MAC address.
*
* This function retrieves the MAC address of the switch.
*/
static inline void sw_get_addr(struct ksz_hw *hw, u8 *mac_addr)
{
int i;
for (i = 0; i < 6; i += 2) {
mac_addr[i] = readb(hw->io + KS8842_MAC_ADDR_0_OFFSET + i);
mac_addr[1 + i] = readb(hw->io + KS8842_MAC_ADDR_1_OFFSET + i);
}
}
/**
* sw_set_addr - configure switch MAC address
* @hw: The hardware instance.
......@@ -2828,56 +2584,6 @@ static inline void hw_w_phy_ctrl(struct ksz_hw *hw, int phy, u16 data)
writew(data, hw->io + phy + KS884X_PHY_CTRL_OFFSET);
}
static inline void hw_r_phy_link_stat(struct ksz_hw *hw, int phy, u16 *data)
{
*data = readw(hw->io + phy + KS884X_PHY_STATUS_OFFSET);
}
static inline void hw_r_phy_auto_neg(struct ksz_hw *hw, int phy, u16 *data)
{
*data = readw(hw->io + phy + KS884X_PHY_AUTO_NEG_OFFSET);
}
static inline void hw_w_phy_auto_neg(struct ksz_hw *hw, int phy, u16 data)
{
writew(data, hw->io + phy + KS884X_PHY_AUTO_NEG_OFFSET);
}
static inline void hw_r_phy_rem_cap(struct ksz_hw *hw, int phy, u16 *data)
{
*data = readw(hw->io + phy + KS884X_PHY_REMOTE_CAP_OFFSET);
}
static inline void hw_r_phy_crossover(struct ksz_hw *hw, int phy, u16 *data)
{
*data = readw(hw->io + phy + KS884X_PHY_CTRL_OFFSET);
}
static inline void hw_w_phy_crossover(struct ksz_hw *hw, int phy, u16 data)
{
writew(data, hw->io + phy + KS884X_PHY_CTRL_OFFSET);
}
static inline void hw_r_phy_polarity(struct ksz_hw *hw, int phy, u16 *data)
{
*data = readw(hw->io + phy + KS884X_PHY_PHY_CTRL_OFFSET);
}
static inline void hw_w_phy_polarity(struct ksz_hw *hw, int phy, u16 data)
{
writew(data, hw->io + phy + KS884X_PHY_PHY_CTRL_OFFSET);
}
static inline void hw_r_phy_link_md(struct ksz_hw *hw, int phy, u16 *data)
{
*data = readw(hw->io + phy + KS884X_PHY_LINK_MD_OFFSET);
}
static inline void hw_w_phy_link_md(struct ksz_hw *hw, int phy, u16 data)
{
writew(data, hw->io + phy + KS884X_PHY_LINK_MD_OFFSET);
}
/**
* hw_r_phy - read data from PHY register
* @hw: The hardware instance.
......
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