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genirq: Get rid of GENERIC_MSI_IRQ_DOMAIN

Browse Source 
Adjust to reality and remove another layer of pointless Kconfig
indirection. CONFIG_GENERIC_MSI_IRQ is good enough to serve
all purposes.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20221111122014.524842979@linutronix.de
This commit is contained in:
Thomas Gleixner 2022-11-11 14:54:40 +01:00
parent a474d3fbe2
commit 13e7accb81
16 changed files with 24 additions and 37 deletions
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2
drivers/base/Makefile
View File

@ -22,7 +22,7 @@ obj-$(CONFIG_REGMAP) += regmap/
obj-$(CONFIG_SOC_BUS) += soc.o
obj-$(CONFIG_PINCTRL) += pinctrl.o
obj-$(CONFIG_DEV_COREDUMP) += devcoredump.o
obj-$(CONFIG_GENERIC_MSI_IRQ_DOMAIN) += platform-msi.o
obj-$(CONFIG_GENERIC_MSI_IRQ) += platform-msi.o
obj-$(CONFIG_GENERIC_ARCH_TOPOLOGY) += arch_topology.o
obj-$(CONFIG_GENERIC_ARCH_NUMA) += arch_numa.o
obj-$(CONFIG_ACPI) += physical_location.o

2
drivers/bus/fsl-mc/Kconfig
View File

@ -8,7 +8,7 @@
config FSL_MC_BUS
bool "QorIQ DPAA2 fsl-mc bus driver"
depends on OF && (ARCH_LAYERSCAPE || (COMPILE_TEST && (ARM || ARM64 || X86_LOCAL_APIC || PPC)))
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
help
Driver to enable the bus infrastructure for the QorIQ DPAA2
architecture. The fsl-mc bus driver handles discovery of

2
drivers/dma/Kconfig
View File

@ -462,7 +462,7 @@ config MV_XOR_V2
select DMA_ENGINE
select DMA_ENGINE_RAID
select ASYNC_TX_ENABLE_CHANNEL_SWITCH
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
help
Enable support for the Marvell version 2 XOR engine.

8
drivers/dma/qcom/hidma.c
View File

@ -610,7 +610,7 @@ static irqreturn_t hidma_chirq_handler(int chirq, void *arg)
return hidma_ll_inthandler(chirq, lldev);
}
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
static irqreturn_t hidma_chirq_handler_msi(int chirq, void *arg)
{
struct hidma_lldev **lldevp = arg;
@ -671,7 +671,7 @@ static int hidma_sysfs_init(struct hidma_dev *dev)
return device_create_file(dev->ddev.dev, dev->chid_attrs);
}
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
static void hidma_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg)
{
struct device *dev = msi_desc_to_dev(desc);
@ -687,7 +687,7 @@ static void hidma_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg)
static void hidma_free_msis(struct hidma_dev *dmadev)
{
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
struct device *dev = dmadev->ddev.dev;
int i, virq;
@ -704,7 +704,7 @@ static void hidma_free_msis(struct hidma_dev *dmadev)
static int hidma_request_msi(struct hidma_dev *dmadev,
struct platform_device *pdev)
{
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
int rc, i, virq;
rc = platform_msi_domain_alloc_irqs(&pdev->dev, HIDMA_MSI_INTS,

2
drivers/iommu/Kconfig
View File

@ -389,7 +389,7 @@ config ARM_SMMU_V3
depends on ARM64
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
help
Support for implementations of the ARM System MMU architecture
version 3 providing translation support to a PCIe root complex.

6
drivers/irqchip/Kconfig
View File

@ -38,7 +38,7 @@ config ARM_GIC_V3
config ARM_GIC_V3_ITS
bool
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
default ARM_GIC_V3
config ARM_GIC_V3_ITS_PCI
@ -375,7 +375,7 @@ config MVEBU_ICU
config MVEBU_ODMI
bool
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
config MVEBU_PIC
bool
@ -488,7 +488,7 @@ config IMX_MU_MSI
default m if ARCH_MXC
select IRQ_DOMAIN
select IRQ_DOMAIN_HIERARCHY
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
help
Provide a driver for the i.MX Messaging Unit block used as a
CPU-to-CPU MSI controller. This requires a specially crafted DT

2
drivers/mailbox/Kconfig
View File

@ -223,7 +223,7 @@ config BCM_FLEXRM_MBOX
tristate "Broadcom FlexRM Mailbox"
depends on ARM64
depends on ARCH_BCM_IPROC || COMPILE_TEST
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
default m if ARCH_BCM_IPROC
help
Mailbox implementation of the Broadcom FlexRM ring manager,

1
drivers/pci/Kconfig
View File

@ -38,7 +38,6 @@ source "drivers/pci/pcie/Kconfig"
config PCI_MSI
bool "Message Signaled Interrupts (MSI and MSI-X)"
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
help
This allows device drivers to enable MSI (Message Signaled

2
drivers/perf/Kconfig
View File

@ -93,7 +93,7 @@ config ARM_PMU_ACPI
config ARM_SMMU_V3_PMU
tristate "ARM SMMUv3 Performance Monitors Extension"
depends on (ARM64 && ACPI) || (COMPILE_TEST && 64BIT)
depends on GENERIC_MSI_IRQ_DOMAIN
depends on GENERIC_MSI_IRQ
help
Provides support for the ARM SMMUv3 Performance Monitor Counter
Groups (PMCG), which provide monitoring of transactions passing

2
drivers/soc/ti/Kconfig
View File

@ -98,6 +98,6 @@ endif # SOC_TI
config TI_SCI_INTA_MSI_DOMAIN
bool
select GENERIC_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ
help
Driver to enable Interrupt Aggregator specific MSI Domain.

4
include/asm-generic/msi.h
View File

@ -4,7 +4,7 @@
#include <linux/types.h>
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
#ifndef NUM_MSI_ALLOC_SCRATCHPAD_REGS
# define NUM_MSI_ALLOC_SCRATCHPAD_REGS 2
@ -36,6 +36,6 @@ typedef struct msi_alloc_info {
#define GENERIC_MSI_DOMAIN_OPS 1
#endif /* CONFIG_GENERIC_MSI_IRQ_DOMAIN */
#endif /* CONFIG_GENERIC_MSI_IRQ */
#endif

8
include/linux/device.h
View File

@ -378,10 +378,8 @@ struct dev_links_info {
* @data: Pointer to MSI device data
*/
struct dev_msi_info {
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
struct irq_domain *domain;
#endif
#ifdef CONFIG_GENERIC_MSI_IRQ
struct irq_domain *domain;
struct msi_device_data *data;
#endif
};
@ -742,7 +740,7 @@ static inline void set_dev_node(struct device *dev, int node)
static inline struct irq_domain *dev_get_msi_domain(const struct device *dev)
{
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
return dev->msi.domain;
#else
return NULL;
@ -751,7 +749,7 @@ static inline struct irq_domain *dev_get_msi_domain(const struct device *dev)
static inline void dev_set_msi_domain(struct device *dev, struct irq_domain *d)
{
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
dev->msi.domain = d;
#endif
}

2
include/linux/gpio/driver.h
View File

@ -27,7 +27,7 @@ struct gpio_chip;
union gpio_irq_fwspec {
struct irq_fwspec fwspec;
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
msi_alloc_info_t msiinfo;
#endif
};

8
include/linux/msi.h
View File

@ -79,9 +79,7 @@ void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
#ifdef CONFIG_GENERIC_MSI_IRQ
void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg);
#else
static inline void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg)
{
}
static inline void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg) { }
#endif
typedef void (*irq_write_msi_msg_t)(struct msi_desc *desc,
@ -278,7 +276,7 @@ static inline void msi_device_destroy_sysfs(struct device *dev) { }
*/
bool arch_restore_msi_irqs(struct pci_dev *dev);
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
#ifdef CONFIG_GENERIC_MSI_IRQ
#include <linux/irqhandler.h>
@ -451,7 +449,7 @@ int platform_msi_device_domain_alloc(struct irq_domain *domain, unsigned int vir
void platform_msi_device_domain_free(struct irq_domain *domain, unsigned int virq,
unsigned int nvec);
void *platform_msi_get_host_data(struct irq_domain *domain);
#endif /* CONFIG_GENERIC_MSI_IRQ_DOMAIN */
#endif /* CONFIG_GENERIC_MSI_IRQ */
/* PCI specific interfaces */
#ifdef CONFIG_PCI_MSI

7
kernel/irq/Kconfig
View File

@ -86,15 +86,10 @@ config GENERIC_IRQ_IPI
depends on SMP
select IRQ_DOMAIN_HIERARCHY
# Generic MSI interrupt support
# Generic MSI hierarchical interrupt domain support
config GENERIC_MSI_IRQ
bool
# Generic MSI hierarchical interrupt domain support
config GENERIC_MSI_IRQ_DOMAIN
bool
select IRQ_DOMAIN_HIERARCHY
select GENERIC_MSI_IRQ
config IRQ_MSI_IOMMU
bool

3
kernel/irq/msi.c
View File

@ -461,7 +461,6 @@ static inline int msi_sysfs_populate_desc(struct device *dev, struct msi_desc *d
static inline void msi_sysfs_remove_desc(struct device *dev, struct msi_desc *desc) { }
#endif /* !CONFIG_SYSFS */
#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
static int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, int nvec);
static void __msi_domain_free_irqs(struct irq_domain *domain, struct device *dev);
@ -1058,5 +1057,3 @@ struct msi_domain_info *msi_get_domain_info(struct irq_domain *domain)
{
return (struct msi_domain_info *)domain->host_data;
}
#endif /* CONFIG_GENERIC_MSI_IRQ_DOMAIN */