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 --- drivers/siox/Kconfig | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 drivers/siox/Kconfig (limited to 'drivers/siox/Kconfig') diff --git a/drivers/siox/Kconfig b/drivers/siox/Kconfig new file mode 100644 index 000000000..4326db32c --- /dev/null +++ b/drivers/siox/Kconfig @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: GPL-2.0-only +menuconfig SIOX + tristate "Eckelmann SIOX Support" + help + SIOX stands for Serial Input Output eXtension and is a synchronous + bus system invented by Eckelmann AG. It is used in their control and + remote monitoring systems for commercial and industrial refrigeration + to drive additional I/O units. + + Unless you know better, it is probably safe to say "no" here. + +if SIOX + +config SIOX_BUS_GPIO + tristate "SIOX GPIO bus driver" + help + SIOX bus driver that controls the four bus lines using GPIOs. + +endif -- cgit v1.3.1