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Commit ecc8a96e authored by Rob Herring's avatar Rob Herring
Browse files

of/fdt: add of_fdt_device_is_available function 



Add an equivalent function to of_device_is_available for flattened DT, and
convert the one existing open coded occurrence.

Tested-by: default avatarNicolas Pitre <nico@linaro.org>
Reviewed-by: default avatarFrank Rowand <frowand.list@gmail.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent b56b5528

drivers/of/fdt.c

+14 −3
Original line number Diff line number Diff line
@@ -132,6 +132,19 @@ bool of_fdt_is_big_endian(const void *blob, unsigned long node) 
	return false;

}



static bool of_fdt_device_is_available(const void *blob, unsigned long node)

{

	const char *status = fdt_getprop(blob, node, "status", NULL);



	if (!status)

		return true;



	if (!strcmp(status, "ok") || !strcmp(status, "okay"))

		return true;



	return false;

}



/**

 * of_fdt_match - Return true if node matches a list of compatible values

 */
@@ -605,7 +618,6 @@ static int __init __fdt_scan_reserved_mem(unsigned long node, const char *uname, 
					  int depth, void *data)

{

	static int found;

	const char *status;

	int err;



	if (!found && depth == 1 && strcmp(uname, "reserved-memory") == 0) {
@@ -625,8 +637,7 @@ static int __init __fdt_scan_reserved_mem(unsigned long node, const char *uname, 
		return 1;

	}



	status = of_get_flat_dt_prop(node, "status", NULL);

	if (status && strcmp(status, "okay") != 0 && strcmp(status, "ok") != 0)

	if (!of_fdt_device_is_available(initial_boot_params, node))

		return 0;



	err = __reserved_mem_reserve_reg(node, uname);