@@ -575,9 +575,11 @@ static inline void pcie_aspm_powersave_config_link(struct pci_dev *pdev) { }
#ifdef CONFIG_PCIE_ECRC
void pcie_set_ecrc_checking(struct pci_dev *dev);
void pcie_ecrc_get_policy(char *str);
+bool pcie_is_ecrc_enabled(void);
#else
static inline void pcie_set_ecrc_checking(struct pci_dev *dev) { }
static inline void pcie_ecrc_get_policy(char *str) { }
+static inline bool pcie_is_ecrc_enabled(void) { return false; }
#endif
#ifdef CONFIG_PCIE_PTM
@@ -207,6 +207,17 @@ void pcie_ecrc_get_policy(char *str)
ecrc_policy = i;
}
+
+/**
+ * pcie_is_ecrc_enabled - returns if ECRC is enabled in the system or not
+ *
+ * Returns 1 if ECRC policy is enabled and 0 otherwise
+ */
+bool pcie_is_ecrc_enabled(void)
+{
+ return ecrc_policy == ECRC_POLICY_ON;
+}
+EXPORT_SYMBOL(pcie_is_ecrc_enabled);
#endif /* CONFIG_PCIE_ECRC */
#define PCI_EXP_AER_FLAGS (PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | \
Adds pcie_is_ecrc_enabled() API to let other sub-systems (like DesignWare) to query if ECRC policy is enabled and perform any configuration required in those respective sub-systems. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> --- drivers/pci/pci.h | 2 ++ drivers/pci/pcie/aer.c | 11 +++++++++++ 2 files changed, 13 insertions(+)