Introduce the helper function ks_pcie_disable_error_irq() to disable the
error interrupts that have been enabled by ks_pcie_enable_error_irq().

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---

v1: https://lore.kernel.org/r/20250903124505.365913-9-s-vadapalli@ti.com/
No changes since v1.

 drivers/pci/controller/dwc/pci-keystone.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 3a3188e89a2a..2da9feaaf9ee 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -329,6 +329,15 @@ static void ks_pcie_handle_intx_irq(struct keystone_pcie *ks_pcie,
 	ks_pcie_app_writel(ks_pcie, IRQ_EOI, offset);
 }
 
+static void ks_pcie_disable_error_irq(struct keystone_pcie *ks_pcie)
+{
+	u32 val;
+
+	val = ks_pcie_app_readl(ks_pcie, ERR_IRQ_ENABLE_SET);
+	val &= ~ERR_IRQ_ALL;
+	ks_pcie_app_writel(ks_pcie, ERR_IRQ_ENABLE_SET, val);
+}
+
 static void ks_pcie_enable_error_irq(struct keystone_pcie *ks_pcie)
 {
 	ks_pcie_app_writel(ks_pcie, ERR_IRQ_ENABLE_SET, ERR_IRQ_ALL);
-- 
2.43.0