From cff006543fa3fca2a47dd795ac524237489858d6 Mon Sep 17 00:00:00 2001 From: Kenji Kaneshige Date: Fri, 25 Apr 2008 14:39:06 -0700 Subject: [PATCH] pciehp: Remove useless hotplug interrupt enabling Hotplug interrupt is enabled at initialization and nobody clears it. So we need to setup it in each command. This patch removes redundant codes about this. Signed-off-by: Kenji Kaneshige Signed-off-by: Kristen Carlson Accardi Signed-off-by: Jesse Barnes --- drivers/pci/hotplug/pciehp_hpc.c | 54 ++++++---------------------------------- 1 file changed, 8 insertions(+), 46 deletions(-) diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 58f8018970f..4317513771d 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -462,11 +462,6 @@ static int hpc_toggle_emi(struct slot *slot) slot_cmd = EMI_CTRL; cmd_mask = EMI_CTRL; - if (!pciehp_poll_mode) { - slot_cmd = slot_cmd | HP_INTR_ENABLE; - cmd_mask = cmd_mask | HP_INTR_ENABLE; - } - rc = pcie_write_cmd(slot->ctrl, slot_cmd, cmd_mask); slot->last_emi_toggle = get_seconds(); @@ -494,11 +489,6 @@ static int hpc_set_attention_status(struct slot *slot, u8 value) default: return -1; } - if (!pciehp_poll_mode) { - slot_cmd = slot_cmd | HP_INTR_ENABLE; - cmd_mask = cmd_mask | HP_INTR_ENABLE; - } - rc = pcie_write_cmd(ctrl, slot_cmd, cmd_mask); dbg("%s: SLOTCTRL %x write cmd %x\n", __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); @@ -514,13 +504,7 @@ static void hpc_set_green_led_on(struct slot *slot) slot_cmd = 0x0100; cmd_mask = PWR_LED_CTRL; - if (!pciehp_poll_mode) { - slot_cmd = slot_cmd | HP_INTR_ENABLE; - cmd_mask = cmd_mask | HP_INTR_ENABLE; - } - pcie_write_cmd(ctrl, slot_cmd, cmd_mask); - dbg("%s: SLOTCTRL %x write cmd %x\n", __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); } @@ -533,11 +517,6 @@ static void hpc_set_green_led_off(struct slot *slot) slot_cmd = 0x0300; cmd_mask = PWR_LED_CTRL; - if (!pciehp_poll_mode) { - slot_cmd = slot_cmd | HP_INTR_ENABLE; - cmd_mask = cmd_mask | HP_INTR_ENABLE; - } - pcie_write_cmd(ctrl, slot_cmd, cmd_mask); dbg("%s: SLOTCTRL %x write cmd %x\n", __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); @@ -551,13 +530,7 @@ static void hpc_set_green_led_blink(struct slot *slot) slot_cmd = 0x0200; cmd_mask = PWR_LED_CTRL; - if (!pciehp_poll_mode) { - slot_cmd = slot_cmd | HP_INTR_ENABLE; - cmd_mask = cmd_mask | HP_INTR_ENABLE; - } - pcie_write_cmd(ctrl, slot_cmd, cmd_mask); - dbg("%s: SLOTCTRL %x write cmd %x\n", __func__, ctrl->cap_base + SLOTCTRL, slot_cmd); } @@ -607,16 +580,10 @@ static int hpc_power_on_slot(struct slot * slot) cmd_mask = PWR_CTRL; /* Enable detection that we turned off at slot power-off time */ if (!pciehp_poll_mode) { - slot_cmd = slot_cmd | - PWR_FAULT_DETECT_ENABLE | - MRL_DETECT_ENABLE | - PRSN_DETECT_ENABLE | - HP_INTR_ENABLE; - cmd_mask = cmd_mask | - PWR_FAULT_DETECT_ENABLE | - MRL_DETECT_ENABLE | - PRSN_DETECT_ENABLE | - HP_INTR_ENABLE; + slot_cmd |= (PWR_FAULT_DETECT_ENABLE | MRL_DETECT_ENABLE | + PRSN_DETECT_ENABLE); + cmd_mask |= (PWR_FAULT_DETECT_ENABLE | MRL_DETECT_ENABLE | + PRSN_DETECT_ENABLE); } retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask); @@ -692,15 +659,10 @@ static int hpc_power_off_slot(struct slot * slot) * till the slot is powered on again. */ if (!pciehp_poll_mode) { - slot_cmd = (slot_cmd & - ~PWR_FAULT_DETECT_ENABLE & - ~MRL_DETECT_ENABLE & - ~PRSN_DETECT_ENABLE) | HP_INTR_ENABLE; - cmd_mask = cmd_mask | - PWR_FAULT_DETECT_ENABLE | - MRL_DETECT_ENABLE | - PRSN_DETECT_ENABLE | - HP_INTR_ENABLE; + slot_cmd &= ~(PWR_FAULT_DETECT_ENABLE | MRL_DETECT_ENABLE | + PRSN_DETECT_ENABLE); + cmd_mask |= (PWR_FAULT_DETECT_ENABLE | MRL_DETECT_ENABLE | + PRSN_DETECT_ENABLE); } retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask); -- 2.11.4.GIT