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-rw-r--r--arch/powerpc/boot/dts/p1021mds.dts1
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_mds.c43
2 files changed, 38 insertions, 6 deletions
diff --git a/arch/powerpc/boot/dts/p1021mds.dts b/arch/powerpc/boot/dts/p1021mds.dts
index 7fad2df2598..ad5b8526900 100644
--- a/arch/powerpc/boot/dts/p1021mds.dts
+++ b/arch/powerpc/boot/dts/p1021mds.dts
@@ -617,6 +617,7 @@
bus-frequency = <0>;
fsl,qe-num-riscs = <1>;
fsl,qe-num-snums = <28>;
+ status = "disabled"; /* no firmware loaded */
qeic: interrupt-controller@80 {
interrupt-controller;
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 35ab2b42d69..9dadcffd994 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -158,6 +158,29 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
extern void __init mpc85xx_smp_init(void);
#endif
+#ifdef CONFIG_QUICC_ENGINE
+static struct of_device_id mpc85xx_qe_ids[] __initdata = {
+ { .type = "qe", },
+ { .compatible = "fsl,qe", },
+ { },
+};
+
+static void __init mpc85xx_publish_qe_devices(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe");
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return;
+ }
+
+ of_platform_bus_probe(NULL, mpc85xx_qe_ids, NULL);
+}
+#else
+static void __init mpc85xx_publish_qe_devices(void) { }
+#endif /* CONFIG_QUICC_ENGINE */
+
static void __init mpc85xx_mds_setup_arch(void)
{
struct device_node *np;
@@ -218,6 +241,11 @@ static void __init mpc85xx_mds_setup_arch(void)
return;
}
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return;
+ }
+
qe_reset();
of_node_put(np);
@@ -369,8 +397,6 @@ static struct of_device_id mpc85xx_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
{ .compatible = "gianfar", },
{ .compatible = "fsl,rapidio-delta", },
{ .compatible = "fsl,mpc8548-guts", },
@@ -382,8 +408,6 @@ static struct of_device_id p1021_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
- { .type = "qe", },
- { .compatible = "fsl,qe", },
{ .compatible = "gianfar", },
{},
};
@@ -395,16 +419,16 @@ static int __init mpc85xx_publish_devices(void)
if (machine_is(mpc8569_mds))
simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
- /* Publish the QE devices */
of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
+ mpc85xx_publish_qe_devices();
return 0;
}
static int __init p1021_publish_devices(void)
{
- /* Publish the QE devices */
of_platform_bus_probe(NULL, p1021_ids, NULL);
+ mpc85xx_publish_qe_devices();
return 0;
}
@@ -443,12 +467,19 @@ static void __init mpc85xx_mds_pic_init(void)
mpic_init(mpic);
#ifdef CONFIG_QUICC_ENGINE
+ np = of_find_compatible_node(NULL, NULL, "fsl,qe");
+ if (!of_device_is_available(np)) {
+ of_node_put(np);
+ return;
+ }
+
np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
if (!np) {
np = of_find_node_by_type(NULL, "qeic");
if (!np)
return;
}
+
if (machine_is(p1021_mds))
qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
qe_ic_cascade_high_mpic);