Hi Luca,

FYI, there are new compile warnings show up in

tree:   git://people.freedesktop.org/~airlied/linux.git drm-next
head:   df86b5765a48d5f557489577652bd6df145b0e1b
commit: fd64ca8a9d9d7e92fc81fe0b23dcf324246fd356 [169/234] drm/radeon: implement radeon_atif_verify_interface
config: i386-randconfig-b101 (attached as .config)

All warnings:

drivers/gpu/drm/radeon/radeon_acpi.c: In function 'radeon_atif_verify_interface':
drivers/gpu/drm/radeon/radeon_acpi.c:128:3: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'size_t' [-Wformat]

vim +128 drivers/gpu/drm/radeon/radeon_acpi.c

fd64ca8a (Luca Tettamanti 2012-08-16  112) static int radeon_atif_verify_interface(acpi_handle handle,
fd64ca8a (Luca Tettamanti 2012-08-16  113) 		struct radeon_atif *atif)
fd64ca8a (Luca Tettamanti 2012-08-16  114) {
fd64ca8a (Luca Tettamanti 2012-08-16  115) 	union acpi_object *info;
fd64ca8a (Luca Tettamanti 2012-08-16  116) 	struct atif_verify_interface output;
fd64ca8a (Luca Tettamanti 2012-08-16  117) 	size_t size;
fd64ca8a (Luca Tettamanti 2012-08-16  118) 	int err = 0;
fd64ca8a (Luca Tettamanti 2012-08-16  119) 
fd64ca8a (Luca Tettamanti 2012-08-16  120) 	info = radeon_atif_call(handle, ATIF_FUNCTION_VERIFY_INTERFACE, NULL);
fd64ca8a (Luca Tettamanti 2012-08-16  121) 	if (!info)
fd64ca8a (Luca Tettamanti 2012-08-16  122) 		return -EIO;
fd64ca8a (Luca Tettamanti 2012-08-16  123) 
fd64ca8a (Luca Tettamanti 2012-08-16  124) 	memset(&output, 0, sizeof(output));
fd64ca8a (Luca Tettamanti 2012-08-16  125) 
fd64ca8a (Luca Tettamanti 2012-08-16  126) 	size = *(u16 *) info->buffer.pointer;
fd64ca8a (Luca Tettamanti 2012-08-16  127) 	if (size < 12) {
fd64ca8a (Luca Tettamanti 2012-08-16 @128) 		DRM_INFO("ATIF buffer is too small: %lu\n", size);
fd64ca8a (Luca Tettamanti 2012-08-16  129) 		err = -EINVAL;
fd64ca8a (Luca Tettamanti 2012-08-16  130) 		goto out;
fd64ca8a (Luca Tettamanti 2012-08-16  131) 	}
fd64ca8a (Luca Tettamanti 2012-08-16  132) 	size = min(sizeof(output), size);
fd64ca8a (Luca Tettamanti 2012-08-16  133) 
fd64ca8a (Luca Tettamanti 2012-08-16  134) 	memcpy(&output, info->buffer.pointer, size);
fd64ca8a (Luca Tettamanti 2012-08-16  135) 
fd64ca8a (Luca Tettamanti 2012-08-16  136) 	/* TODO: check version? */

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu, Yuanhan Liu                              Intel Corporation