[PATCH v7 04/17] ARM64 / ACPI: Introduce early_param for "acpi" and pass acpi=force to enable ACPI

On Tue, Jan 20, 2015 at 11:10:32AM +0000, Mark Rutland wrote:

quoted

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 54e39e3..8268c7b 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c

@@ -371,6 +371,31 @@ static void __init request_standard_resources(void)
  	}
  }

+int __init dt_scan_chosen(unsigned long node, const char *uname,
+			int depth, void *data)
+{
+	const char *p;
+	
+	if (depth != 1 || !data ||
+	    (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen at 0") != 0))
+		return 0;

Do we ever generate chosen at 0, and do we even accept that?

This probably originates from some stupid cargo-culting on my side,
based on some of the PPC-specific workarounds for old machines
remaining in drivers/of/*. It should go.

/
    Leif