cxl/pci: Clarify devm host for memdev relative setup
authorDan Williams <dan.j.williams@intel.com>
Wed, 4 Oct 2023 23:04:49 +0000 (16:04 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 20 Nov 2023 10:59:30 +0000 (11:59 +0100)
commit22c9bb1ed13ea3b8e8ee320573fa9f4573db1d53
tree439f5573d16d2c965aa4baefa867c45c1b18f979
parentc57d7ce488304fb762075f6f0b3e86659a213a45
cxl/pci: Clarify devm host for memdev relative setup

[ Upstream commit f29a824b0b6710328a78b018de3c2cfa9db65876 ]

It is all too easy to get confused about @dev usage in the CXL driver
stack. Before adding a new cxl_pci_probe() setup operation that has a
devm lifetime dependent on @cxlds->dev binding, but also references
@cxlmd->dev, and prints messages, rework the devm_cxl_add_memdev() and
cxl_memdev_setup_fw_upload() function signatures to make this
distinction explicit. I.e. pass in the devm context as an @host argument
rather than infer it from other objects.

This is in preparation for adding a devm_cxl_sanitize_setup_notifier().

Note the whitespace fixup near the change of the devm_cxl_add_memdev()
signature. That uncaught typo originated in the patch that added
cxl_memdev_security_init().

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Stable-dep-of: 5f2da1971446 ("cxl/pci: Fix sanitize notifier setup")
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/cxl/core/memdev.c
drivers/cxl/cxlmem.h
drivers/cxl/pci.c
tools/testing/cxl/test/mem.c