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tty: Use conftest to find if tty_operations::write() has argument u8 ptr

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Use conftest to find if the function write() of tty_operations
struct has the argument as U8 pointer data type. This datatype
is changed from Linux 6.5 with commit 69851e4ab8feeb ("tty:
propagate u8 data to tty_operations::write()")

Bug 4346767

Change-Id: I49f9ef844da0dee8e209e597989f1d179a2a804b
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3028632
(cherry picked from commit a757343f2e)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3053702
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Tested-by: Jonathan Hunter <jonathanh@nvidia.com>
This commit is contained in:
Laxman Dewangan
2023-12-05 16:20:08 +00:00
committed by mobile promotions
parent 3a35e1c2b1
commit 9c2c4a695c
4 changed files with 27 additions and 8 deletions
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3
Makefile
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@@ -27,9 +27,6 @@ ifeq ($(shell test $(LINUX_VERSION) -ge $(LINUX_VERSION_6_6); echo $$?),0)
# probe_new is removed from i2c driver structure
subdir-ccflags-y += -DNV_I2C_LEGACY_PROBE_NEW_REMOVED
# API changes to replace u8 with unsigned char
subdir-ccflags-y += -DNV_TTY_SERIAL_TYPE_U8_CHANGE
# v4l2_async_subdev is renamed to v4l2_async_connection.
subdir-ccflags-y += -DNV_V4L2_ASYNC_SUBDEV_RENAME