Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
24 lines
563 B
C
24 lines
563 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Exceptions for specific devices,
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*
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* Copyright IBM Corp. 2025
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*
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* Author(s):
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* Niklas Schnelle <schnelle@linux.ibm.com>
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*/
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#include <linux/pci.h>
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static void zpci_ism_bar_no_mmap(struct pci_dev *pdev)
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{
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/*
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* ISM's BAR is special. Drivers written for ISM know
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* how to handle this but others need to be aware of their
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* special nature e.g. to prevent attempts to mmap() it.
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*/
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pdev->non_mappable_bars = 1;
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}
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_IBM,
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PCI_DEVICE_ID_IBM_ISM,
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zpci_ism_bar_no_mmap);
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