From f146c7bc85a51f95c05e0f8173d484eb301ece78 Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Thu, 13 Aug 2026 18:52:04 +0200 Subject: PCI: Add pci_irq_type() to query the allocated interrupt type Add a helper that returns PCI_IRQ_MSIX, PCI_IRQ_MSI, or PCI_IRQ_INTX based on the interrupt type the PCI core selected after pci_alloc_irq_vectors(). Several drivers already open-code this check against pdev->msix_enabled and pdev->msi_enabled, or even open code this helper [1]. A common helper avoids the duplication and keeps drivers from accessing the bitfield directly (see also [2]). Acked-by: Bjorn Helgaas Tested-by: John Hubbard Link: https://elixir.bootlin.com/linux/v7.1/source/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c#L196 [1] Inspired-by: John Hubbard Link: https://lore.kernel.org/all/DKKG2QM3YJYB.Z2H2B2UXJ75N@kernel.org/ [2] Reviewed-by: Gary Guo Link: https://patch.msgid.link/20260813165234.620555-5-dakr@kernel.org [ Add missing pci_irq_type() stub for CONFIG_PCI=n. ] Signed-off-by: Danilo Krummrich --- fs/autofs/init.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 fs/autofs/init.c (limited to 'fs/autofs/init.c') diff --git a/fs/autofs/init.c b/fs/autofs/init.c new file mode 100644 index 000000000..1d644a35f --- /dev/null +++ b/fs/autofs/init.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 1997-1998 Transmeta Corporation -- All Rights Reserved + */ + +#include +#include +#include "autofs_i.h" + +struct file_system_type autofs_fs_type = { + .owner = THIS_MODULE, + .name = "autofs", + .init_fs_context = autofs_init_fs_context, + .parameters = autofs_param_specs, + .kill_sb = autofs_kill_sb, +}; +MODULE_ALIAS_FS("autofs"); +MODULE_ALIAS("autofs"); + +static int __init init_autofs_fs(void) +{ + int err; + + autofs_dev_ioctl_init(); + + err = register_filesystem(&autofs_fs_type); + if (err) + autofs_dev_ioctl_exit(); + + return err; +} + +static void __exit exit_autofs_fs(void) +{ + autofs_dev_ioctl_exit(); + unregister_filesystem(&autofs_fs_type); +} + +module_init(init_autofs_fs) +module_exit(exit_autofs_fs) +MODULE_DESCRIPTION("Kernel automounter support"); +MODULE_LICENSE("GPL"); -- cgit v1.3.1