Re: [PATCH v2] PCI/AER: Change to use helper pcie_aer_is_native() in some places

From: Kelley, Sean V
Date: Fri Feb 26 2021 - 12:48:08 EST



On 2/4/21, 6:07 PM, "Xiaofei Tan" <tanxiaofei@xxxxxxxxxx> wrote:

Use helper function pcie_aer_is_native() in some places to keep
the code tidy. No function changes.

Signed-off-by: Xiaofei Tan <tanxiaofei@xxxxxxxxxx>
Reviewed-by: Krzysztof Wilczyński <kw@xxxxxxxxx>


Nice use of the helper and good suggestion from Krzysztof.

Acked-by: Sean V Kelley <sean.v.kelley@xxxxxxxxx>



---
Changes from v1 to v2:
- Add the fix suggested by Krzysztof.
---
drivers/pci/pcie/aer.c | 4 ++--
drivers/pci/pcie/err.c | 2 +-
drivers/pci/pcie/portdrv_core.c | 3 +--
3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 77b0f2c..03212d0 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -1397,7 +1397,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
*/
aer = root ? root->aer_cap : 0;

- if ((host->native_aer || pcie_ports_native) && aer) {
+ if (pcie_aer_is_native(dev) && aer) {
/* Disable Root's interrupt in response to error messages */
pci_read_config_dword(root, aer + PCI_ERR_ROOT_COMMAND, &reg32);
reg32 &= ~ROOT_PORT_INTR_ON_MESG_MASK;
@@ -1417,7 +1417,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
pci_info(dev, "Root Port link has been reset (%d)\n", rc);
}

- if ((host->native_aer || pcie_ports_native) && aer) {
+ if (pcie_aer_is_native(dev) && aer) {
/* Clear Root Error Status */
pci_read_config_dword(root, aer + PCI_ERR_ROOT_STATUS, &reg32);
pci_write_config_dword(root, aer + PCI_ERR_ROOT_STATUS, reg32);
diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
index 510f31f..1d6cfb9 100644
--- a/drivers/pci/pcie/err.c
+++ b/drivers/pci/pcie/err.c
@@ -237,7 +237,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
* this status. In that case, the signaling device may not even be
* visible to the OS.
*/
- if (host->native_aer || pcie_ports_native) {
+ if (pcie_aer_is_native(dev)) {
pcie_clear_device_status(bridge);
pci_aer_clear_nonfatal_status(bridge);
}
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index e1fed664..3b3743e 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -221,8 +221,7 @@ static int get_port_device_capability(struct pci_dev *dev)
}

#ifdef CONFIG_PCIEAER
- if (dev->aer_cap && pci_aer_available() &&
- (pcie_ports_native || host->native_aer)) {
+ if (pci_aer_available() && pcie_aer_is_native(dev)) {
services |= PCIE_PORT_SERVICE_AER;

/*
--
2.8.1