1 files changed, 11 insertions, 19 deletions

diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
index f8fa2c63aa89..cf2fca12414a 100644
--- a/arch/riscv/kernel/cpu.c
+++ b/arch/riscv/kernel/cpu.c
@@ -17,44 +17,36 @@
 #include <asm/smp.h>
 
 /*
- * Returns the hart ID of the given device tree node, or -1 if the device tree
- * node isn't a RISC-V hart.
+ * Returns the hart ID of the given device tree node, or -ENODEV if the node
+ * isn't an enabled and valid RISC-V hart node.
  */
 int riscv_of_processor_hartid(struct device_node *node)
 {
-	const char *isa, *status;
+	const char *isa;
 	u32 hart;
 
 	if (!of_device_is_compatible(node, "riscv")) {
 		pr_warn("Found incompatible CPU\n");
-		return -(ENODEV);
+		return -ENODEV;
 	}
 
 	if (of_property_read_u32(node, "reg", &hart)) {
 		pr_warn("Found CPU without hart ID\n");
-		return -(ENODEV);
-	}
-	if (hart >= NR_CPUS) {
-		pr_info("Found hart ID %d, which is above NR_CPUs.  Disabling this hart\n", hart);
-		return -(ENODEV);
+		return -ENODEV;
 	}
 
-	if (of_property_read_string(node, "status", &status)) {
-		pr_warn("CPU with hartid=%d has no \"status\" property\n", hart);
-		return -(ENODEV);
-	}
-	if (strcmp(status, "okay")) {
-		pr_info("CPU with hartid=%d has a non-okay status of \"%s\"\n", hart, status);
-		return -(ENODEV);
+	if (!of_device_is_available(node)) {
+		pr_info("CPU with hartid=%d is not available\n", hart);
+		return -ENODEV;
 	}
 
 	if (of_property_read_string(node, "riscv,isa", &isa)) {
 		pr_warn("CPU with hartid=%d has no \"riscv,isa\" property\n", hart);
-		return -(ENODEV);
+		return -ENODEV;
 	}
 	if (isa[0] != 'r' || isa[1] != 'v') {
 		pr_warn("CPU with hartid=%d has an invalid ISA of \"%s\"\n", hart, isa);
-		return -(ENODEV);
+		return -ENODEV;
 	}
 
 	return hart;
@@ -106,7 +98,7 @@ static void print_isa(struct seq_file *f, const char *orig_isa)
 	 * a bit of info describing what went wrong.
 	 */
 	if (isa[0] != '\0')
-		pr_info("unsupported ISA \"%s\" in device tree", orig_isa);
+		pr_info("unsupported ISA \"%s\" in device tree\n", orig_isa);
 }
 
 static void print_mmu(struct seq_file *f, const char *mmu_type)