diff options
| author | Niklas Schnelle <schnelle@linux.ibm.com> | 2019-12-17 09:34:46 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-01-22 13:05:34 +0100 |
| commit | 17cdec960cf776b20b1fb08c622221babe591d51 (patch) | |
| tree | 118efa4a32aea55bbafc79fc1d6d95ea4559deba /arch/s390/include/asm/pci.h | |
| parent | d1eef1c619749b2a57e514a3fa67d9a516ffa919 (diff) | |
s390/pci: Recover handle in clp_set_pci_fn()
When we try to recover a PCI function using
echo 1 > /sys/bus/pci/devices/<id>/recover
or manually with
echo 1 > /sys/bus/pci/devices/<id>/remove
echo 0 > /sys/bus/pci/slots/<slot>/power
echo 1 > /sys/bus/pci/slots/<slot>/power
clp_disable_fn() / clp_enable_fn() call clp_set_pci_fn() to first
disable and then reenable the function.
When the function is already in the requested state we may be left with
an invalid function handle.
To get a new valid handle we do a clp_list_pci() call. For this we need
both the function ID and function handle in clp_set_pci_fn() so pass the
zdev and get both.
To simplify things also pull setting the refreshed function handle into
clp_set_pci_fn()
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/pci.h')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 3a06c264ea53..b05187ce5dbd 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -180,7 +180,7 @@ void zpci_remove_reserved_devices(void); /* CLP */ int clp_scan_pci_devices(void); int clp_rescan_pci_devices(void); -int clp_rescan_pci_devices_simple(void); +int clp_rescan_pci_devices_simple(u32 *fid); int clp_add_pci_device(u32, u32, int); int clp_enable_fh(struct zpci_dev *, u8); int clp_disable_fh(struct zpci_dev *); |