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powerpc/eeh: Pass eeh_dev to eeh_ops->restore_config()

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Mechanical conversion of the eeh_ops interfaces to use eeh_dev to reference
a specific device rather than pci_dn. No functional changes.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200725081231.39076-7-oohall@gmail.com
This commit is contained in:
Oliver O'Halloran 2020-07-25 18:12:24 +10:00 committed by Michael Ellerman
parent 21b43bd59c
commit 0c2c76523c
4 changed files with 7 additions and 12 deletions
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2
arch/powerpc/include/asm/eeh.h
View File

@ -229,7 +229,7 @@ struct eeh_ops {
int (*read_config)(struct pci_dn *pdn, int where, int size, u32 *val);
int (*write_config)(struct pci_dn *pdn, int where, int size, u32 val);
int (*next_error)(struct eeh_pe **pe);
int (*restore_config)(struct pci_dn *pdn);
int (*restore_config)(struct eeh_dev *edev);
int (*notify_resume)(struct pci_dn *pdn);
};

5
arch/powerpc/kernel/eeh.c
View File

@ -726,7 +726,6 @@ static void eeh_disable_and_save_dev_state(struct eeh_dev *edev,
static void eeh_restore_dev_state(struct eeh_dev *edev, void *userdata)
{
struct pci_dn *pdn = eeh_dev_to_pdn(edev);
struct pci_dev *pdev = eeh_dev_to_pci_dev(edev);
struct pci_dev *dev = userdata;
@ -734,8 +733,8 @@ static void eeh_restore_dev_state(struct eeh_dev *edev, void *userdata)
return;
/* Apply customization from firmware */
if (pdn && eeh_ops->restore_config)
eeh_ops->restore_config(pdn);
if (eeh_ops->restore_config)
eeh_ops->restore_config(edev);
/* The caller should restore state for the specified device */
if (pdev != dev)

6
arch/powerpc/kernel/eeh_pe.c
View File

@ -843,16 +843,14 @@ static void eeh_restore_device_bars(struct eeh_dev *edev)
*/
static void eeh_restore_one_device_bars(struct eeh_dev *edev, void *flag)
{
struct pci_dn *pdn = eeh_dev_to_pdn(edev);
/* Do special restore for bridges */
if (edev->mode & EEH_DEV_BRIDGE)
eeh_restore_bridge_bars(edev);
else
eeh_restore_device_bars(edev);
if (eeh_ops->restore_config && pdn)
eeh_ops->restore_config(pdn);
if (eeh_ops->restore_config)
eeh_ops->restore_config(edev);
}
/**

6
arch/powerpc/platforms/powernv/eeh-powernv.c
View File

@ -1619,12 +1619,10 @@ static int pnv_eeh_next_error(struct eeh_pe **pe)
return ret;
}
static int pnv_eeh_restore_config(struct pci_dn *pdn)
static int pnv_eeh_restore_config(struct eeh_dev *edev)
{
struct eeh_dev *edev = pdn_to_eeh_dev(pdn);
struct pnv_phb *phb;
s64 ret = 0;
int config_addr = (pdn->busno << 8) | (pdn->devfn);
if (!edev)
return -EEXIST;
@ -1638,7 +1636,7 @@ static int pnv_eeh_restore_config(struct pci_dn *pdn)
if (ret) {
pr_warn("%s: Can't reinit PCI dev 0x%x (%lld)\n",
__func__, config_addr, ret);
__func__, edev->bdfn, ret);
return -EIO;
}