Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / platforms / pseries / eeh_pseries.c

diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 36a1af1d11400740c1f91039c499771b765f1a6d..8752f79a6af828fb3333c12b84630b6912a576bc 100644 (file)
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -503,6 +503,42 @@ static int pseries_eeh_configure_bridge(struct device_node *dn)
        return ret;
 }
 
+/**
+ * pseries_eeh_read_config - Read PCI config space
+ * @dn: device node
+ * @where: PCI address
+ * @size: size to read
+ * @val: return value
+ *
+ * Read config space from the speicifed device
+ */
+static int pseries_eeh_read_config(struct device_node *dn, int where, int size, u32 *val)
+{
+       struct pci_dn *pdn;
+
+       pdn = PCI_DN(dn);
+
+       return rtas_read_config(pdn, where, size, val);
+}
+
+/**
+ * pseries_eeh_write_config - Write PCI config space
+ * @dn: device node
+ * @where: PCI address
+ * @size: size to write
+ * @val: value to be written
+ *
+ * Write config space to the specified device
+ */
+static int pseries_eeh_write_config(struct device_node *dn, int where, int size, u32 val)
+{
+       struct pci_dn *pdn;
+
+       pdn = PCI_DN(dn);
+
+       return rtas_write_config(pdn, where, size, val);
+}
+
 static struct eeh_ops pseries_eeh_ops = {
        .name                   = "pseries",
        .init                   = pseries_eeh_init,
@@ -512,7 +548,9 @@ static struct eeh_ops pseries_eeh_ops = {
        .reset                  = pseries_eeh_reset,
        .wait_state             = pseries_eeh_wait_state,
        .get_log                = pseries_eeh_get_log,
-       .configure_bridge       = pseries_eeh_configure_bridge
+       .configure_bridge       = pseries_eeh_configure_bridge,
+       .read_config            = pseries_eeh_read_config,
+       .write_config           = pseries_eeh_write_config
 };
 
 /**