pnv_phb4_rc_config_read() and pnv_phb4_rc_config_write() are asserting
the existence of the root port. The root port is now optional, and there
will be cases where a pnv-phb4 device won't have a root port attached.
Instead of asserting, check if the root port exists before read/writing
into it.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <
20220105212338.49899-6-danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
}
pdev = pci_find_device(pci->bus, 0, 0);
- assert(pdev);
+ if (!pdev) {
+ phb_error(phb, "rc_config_write device not found\n");
+ return;
+ }
pci_host_config_write_common(pdev, off, PHB_RC_CONFIG_SIZE,
bswap32(val), 4);
}
pdev = pci_find_device(pci->bus, 0, 0);
- assert(pdev);
+ if (!pdev) {
+ phb_error(phb, "rc_config_read device not found\n");
+ return ~0ull;
+ }
val = pci_host_config_read_common(pdev, off, PHB_RC_CONFIG_SIZE, 4);
return bswap32(val);