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PCI: Annotate pci_cache_line_size variables as __ro_after_init

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Annotate both variables as __ro_after_init, enforcing that they can't be
changed after the init phase.

Link: https://lore.kernel.org/r/52fd058d-6d72-48db-8e61-5fcddcd0aa51@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Heiner Kallweit 2024-04-18 20:29:21 +02:00 committed by Bjorn Helgaas
parent e30556bf68
commit c7ae396ec5
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/pci.c
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@ -142,8 +142,8 @@ enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_DEFAULT;
* the dfl or actual value as it sees fit. Don't forget this is
* measured in 32-bit words, not bytes.
*/
u8 pci_dfl_cache_line_size = L1_CACHE_BYTES >> 2;
u8 pci_cache_line_size;
u8 pci_dfl_cache_line_size __ro_after_init = L1_CACHE_BYTES >> 2;
u8 pci_cache_line_size __ro_after_init ;
/*
* If we set up a device for bus mastering, we need to check the latency