linux-kernel - [PATCH v2] PCI/AER: Change to use helper pcie_aer_is

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Date:   Fri, 5 Feb 2021 10:04:08 +0800
From:   Xiaofei Tan <tanxiaofei@...wei.com>
To:     <bhelgaas@...gle.com>,
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        <sean.v.kelley@...el.com>, <Jonathan.Cameron@...wei.com>,
        <refactormyself@...il.com>
CC:     Xiaofei Tan <tanxiaofei@...wei.com>, <linux-pci@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>
Subject: [PATCH v2] PCI/AER: Change to use helper pcie_aer_is_native() in some places

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

Signed-off-by: Xiaofei Tan <tanxiaofei@...wei.com>
Reviewed-by: Krzysztof Wilczyński <kw@...ux.com>

---
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