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tegra_hv: Use conftest to find if class_attribute function has const type arg

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Determine if struct class_attribute function has const type
"struct class_attribute" argument or not.

Modified the argument by change
commit 75a2d4226b5371 ("driver core: class: mark the struct class
for sysfs callbacks as constant") for Linux 6.3

Bug 4346767

Change-Id: I2a36025b23af80761faf1da406481731289eedd2
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3030734
(cherry picked from commit de4295cfa6)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3059278
Tested-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Laxman Dewangan
2023-12-08 06:37:09 +00:00
committed by mobile promotions
parent e997e8ae5a
commit 176a1bff8d
4 changed files with 22 additions and 10 deletions
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20
scripts/conftest/conftest.sh
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@@ -6604,6 +6604,26 @@ compile_test() {
compile_check_conftest "$CODE" "NV_BUS_TYPE_STRUCT_UEVENT_HAS_CONST_DEV_ARG" "" "types"
;;
class_attribute_struct_has_const_struct_class_attribute)
#
# Determine if struct class_attribute function has const type "struct class_attribute"
# argument or not.
#
# Modified the argument by change commit 75a2d4226b5371 ("driver core: class: mark
# the struct class for sysfs callbacks as constant") for Linux 6.3
#
CODE="
#include <linux/device/class.h>
static ssize_t show_cb(struct class *class, struct class_attribute *attr, char *buf) {
return 0;
}
static struct class_attribute ca = {
.show = show_cb,
};"
compile_check_conftest "$CODE" "NV_CLASS_ATTRIBUTE_STRUCT_HAS_CONST_STRUCT_CLASS_ATTRIBUTE_ARG" "" "functions"
;;
class_create_has_no_owner_arg)
#
# Determine if the class_create() function has the 'owner' argument.