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Message-ID: <52B0AEAD.6050604@gmail.com>
Date: Tue, 17 Dec 2013 12:06:05 -0800
From: Rajat Jain <rajatjain.linux@...il.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
Alex Williamson <alex.williamson@...hat.com>,
Yijing Wang <wangyijing@...wei.com>, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org, Yinghai Lu <yhlu.kernel@...il.com>
CC: Guenter Roeck <groeck@...iper.net>,
Rajat Jain <rajatjain@...iper.net>,
Rajat Jain <rajatxjain@...il.com>
Subject: [PATCH v3 4/8] pciehp: Don't disable the link permanently, during
removal
We need future link up events for hot-add, thus don't disable
the link permanently during device removal. Also, remove the static
functions that are now left unused.
Signed-off-by: Rajat Jain <rajatjain@...iper.net>
Signed-off-by: Guenter Roeck <groeck@...iper.net>
---
v3: no change, created by splitting the patch v2 [2/4]
v2: (non existent)
v1: (non existent)
drivers/pci/hotplug/pciehp_hpc.c | 18 ------------------
1 file changed, 18 deletions(-)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index b45b568..ab12555 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -278,11 +278,6 @@ static void pcie_wait_link_active(struct controller *ctrl)
__pcie_wait_link_active(ctrl, true);
}
-static void pcie_wait_link_not_active(struct controller *ctrl)
-{
- __pcie_wait_link_active(ctrl, false);
-}
-
static bool pci_bus_check_dev(struct pci_bus *bus, int devfn)
{
u32 l;
@@ -383,11 +378,6 @@ static int pciehp_link_enable(struct controller *ctrl)
return __pciehp_link_set(ctrl, true);
}
-static int pciehp_link_disable(struct controller *ctrl)
-{
- return __pciehp_link_set(ctrl, false);
-}
-
int pciehp_get_attention_status(struct slot *slot, u8 *status)
{
struct controller *ctrl = slot->ctrl;
@@ -620,14 +610,6 @@ int pciehp_power_off_slot(struct slot * slot)
u16 cmd_mask;
int retval;
- /* Disable the link at first */
- pciehp_link_disable(ctrl);
- /* wait the link is down */
- if (ctrl->link_active_reporting)
- pcie_wait_link_not_active(ctrl);
- else
- msleep(1000);
-
slot_cmd = POWER_OFF;
cmd_mask = PCI_EXP_SLTCTL_PCC;
retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
--
1.7.9.5
--
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