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gpu/host1x: Use conftest for Linux v6.3

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Use conftest to determine if the uevent() function pointer in the
bus_type structure has a const dev argument. This fixes the build for
Linux kernels prior to Linux v6.3 that include the upstream change that
changed the arguments to this function.

Bug 4014315

Change-Id: I1553e08c951be9dd27141c273bf91be38dd954a6
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3019964
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Jon Hunter
2023-11-21 16:04:16 +00:00
committed by mobile promotions
parent 067fbd7bbc
commit 5fe2e2aacc
3 changed files with 24 additions and 2 deletions
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20
scripts/conftest/conftest.sh
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@@ -6461,6 +6461,26 @@ compile_test() {
compile_check_conftest "$CODE" "NV_BUS_TYPE_STRUCT_REMOVE_HAS_INT_RETURN_TYPE" "" "types"
;;
bus_type_struct_uevent_has_const_dev_arg)
#
# Determine if the 'uevent' callback from the 'bus_type' structure
# has a const 'struct dev' argument.
#
# Commit 2a81ada32f0e ("driver core: make struct bus_type.uevent()
# take a const *") updated the arguments to the uevent callback
# function in Linux v6.3.
#
CODE="
#include <linux/device/bus.h>
int conftest_bus_type_struct_remove_has_int_return_type(const struct device *dev,
struct kobj_uevent_env *env,
struct bus_type *bus) {
return bus->uevent(dev, env);
}"
compile_check_conftest "$CODE" "NV_BUS_TYPE_STRUCT_UEVENT_HAS_CONST_DEV_ARG" "" "types"
;;
class_create_has_no_owner_arg)
#
# Determine if the class_create() function has the 'owner' argument.