cxl/pci: Remove duplicate host_bridge->native_aer checking

cxl_dport_init_ras_reporting() already checks host_bridge->native_aer
before invoking cxl_disable_rch_root_ints(), so
cxl_disable_rch_root_ints() does not need to check it again.
Signed-off-by: Li Ming <ming4.li@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240830061308.2327065-3-ming4.li@intel.comSigned-off-by: Dave Jiang <dave.jiang@intel.com>

drivers/cxl/core/pci.c

@@ -800,14 +800,11 @@ static void cxl_dport_map_ras(struct cxl_dport *dport)
 static void cxl_disable_rch_root_ints(struct cxl_dport *dport)
 {
 	void __iomem *aer_base = dport->regs.dport_aer;
-	struct pci_host_bridge *bridge;
 	u32 aer_cmd_mask, aer_cmd;
 
 	if (!aer_base)
 		return;
 
-	bridge = to_pci_host_bridge(dport->dport_dev);
-
 	/*
 	 * Disable RCH root port command interrupts.
 	 * CXL 3.0 12.2.1.1 - RCH Downstream Port-detected Errors
@@ -816,14 +813,12 @@ static void cxl_disable_rch_root_ints(struct cxl_dport *dport)
 	 * the root cmd register's interrupts is required. But, PCI spec
 	 * shows these are disabled by default on reset.
 	 */
-	if (bridge->native_aer) {
-		aer_cmd_mask = (PCI_ERR_ROOT_CMD_COR_EN |
-				PCI_ERR_ROOT_CMD_NONFATAL_EN |
-				PCI_ERR_ROOT_CMD_FATAL_EN);
-		aer_cmd = readl(aer_base + PCI_ERR_ROOT_COMMAND);
-		aer_cmd &= ~aer_cmd_mask;
-		writel(aer_cmd, aer_base + PCI_ERR_ROOT_COMMAND);
-	}
+	aer_cmd_mask = (PCI_ERR_ROOT_CMD_COR_EN |
+			PCI_ERR_ROOT_CMD_NONFATAL_EN |
+			PCI_ERR_ROOT_CMD_FATAL_EN);
+	aer_cmd = readl(aer_base + PCI_ERR_ROOT_COMMAND);
+	aer_cmd &= ~aer_cmd_mask;
+	writel(aer_cmd, aer_base + PCI_ERR_ROOT_COMMAND);
 }
 
 /**