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authorLinus Torvalds <torvalds@linux-foundation.org>2020-02-09 16:08:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-02-09 16:08:48 -0800
commitbb6d3fb354c5ee8d6bde2d576eb7220ea09862b9 (patch)
tree7062bb751c04f07d83da42df7c461c4b74f9e37e /scripts/atomic/fallbacks
parent89a47dd1af8fdda667938ec190d9595d55d7ec6f (diff)
Linux 5.6-rc1v5.6-rc1
Diffstat (limited to 'scripts/atomic/fallbacks')
0 files changed, 0 insertions, 0 deletions
generated by cgit
re, if necessary, then reads the PHY register at offset * and storing the retrieved information in data. Release any acquired * semaphores before exiting. **/ s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data) { s32 ret_val; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); hw->phy.ops.release(hw); return ret_val; } /** * e1000e_write_phy_reg_m88 - Write m88 PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data) { s32 ret_val; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); hw->phy.ops.release(hw); return ret_val; } /** * e1000_set_page_igp - Set page as on IGP-like PHY(s) * @hw: pointer to the HW structure * @page: page to set (shifted left when necessary) * * Sets PHY page required for PHY register access. Assumes semaphore is * already acquired. Note, this function sets phy.addr to 1 so the caller * must set it appropriately (if necessary) after this function returns. **/ s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page) { e_dbg("Setting page 0x%x\n", page); hw->phy.addr = 1; return e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, page); } /** * __e1000e_read_phy_reg_igp - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then reads the PHY register at offset * and stores the retrieved information in data. Release any acquired * semaphores before exiting. **/ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, bool locked) { s32 ret_val = 0; if (!locked) { if (!hw->phy.ops.acquire) return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } if (offset > MAX_PHY_MULTI_PAGE_REG) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); if (!ret_val) ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); if (!locked) hw->phy.ops.release(hw); return ret_val; } /** * e1000e_read_phy_reg_igp - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Acquires semaphore then reads the PHY register at offset and stores the * retrieved information in data. * Release the acquired semaphore before exiting. **/ s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000e_read_phy_reg_igp(hw, offset, data, false); } /** * e1000e_read_phy_reg_igp_locked - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Reads the PHY register at offset and stores the retrieved information * in data. Assumes semaphore already acquired. **/ s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000e_read_phy_reg_igp(hw, offset, data, true); } /** * __e1000e_write_phy_reg_igp - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, bool locked) { s32 ret_val = 0; if (!locked) { if (!hw->phy.ops.acquire) return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } if (offset > MAX_PHY_MULTI_PAGE_REG) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); if (!ret_val) ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); if (!locked) hw->phy.ops.release(hw); return ret_val; } /** * e1000e_write_phy_reg_igp - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Acquires semaphore then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000e_write_phy_reg_igp(hw, offset, data, false); } /** * e1000e_write_phy_reg_igp_locked - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to