[+Catalin, Will] On Tue, Jun 06, 2023 at 10:35:31AM +0100, Sudeep Holla wrote: > Move all of the ARM-specific initialization into one function namely > acpi_arm_init(), so it is not necessary to modify/update bus.c every > time a new piece of it is added. > > Cc: Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx> > Cc: Rafael J. Wysocki <rafael@xxxxxxxxxx> > Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > Reviewed-by: Robin Murphy <robin.murphy@xxxxxxx> > Reviewed-by: Hanjun Guo <guohanjun@xxxxxxxxxx> > Link: https://lore.kernel.org/r/CAJZ5v0iBZRZmV_oU+VurqxnVMbFN_ttqrL=cLh0sUH+=u0PYsw@xxxxxxxxxxxxxx > Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx> > --- > drivers/acpi/arm64/Makefile | 2 +- > drivers/acpi/arm64/agdi.c | 2 +- > drivers/acpi/arm64/apmt.c | 2 +- > drivers/acpi/arm64/init.c | 13 +++++++++++++ > drivers/acpi/arm64/init.h | 6 ++++++ > drivers/acpi/arm64/iort.c | 1 + > drivers/acpi/bus.c | 7 +------ > include/linux/acpi.h | 6 ++++++ > include/linux/acpi_agdi.h | 13 ------------- > include/linux/acpi_apmt.h | 19 ------------------- > include/linux/acpi_iort.h | 2 -- > 11 files changed, 30 insertions(+), 43 deletions(-) > create mode 100644 drivers/acpi/arm64/init.c > create mode 100644 drivers/acpi/arm64/init.h > delete mode 100644 include/linux/acpi_agdi.h > delete mode 100644 include/linux/acpi_apmt.h Hi Catalin/Will, this patch has got all tags required and it is best to send arm64 ACPI changes upstream through the arm64 tree for consistency, can you pick it up for v6.5 please ? Thanks, Lorenzo > v1[1]->v2: > - Used IS_ENABLED and made the init functions' declarations > unconditional > - Added review tags > > [1] https://lore.kernel.org/all/20230605103550.2427459-1-sudeep.holla@xxxxxxx > > diff --git a/drivers/acpi/arm64/Makefile b/drivers/acpi/arm64/Makefile > index e21a9e84e394..f81fe24894b2 100644 > --- a/drivers/acpi/arm64/Makefile > +++ b/drivers/acpi/arm64/Makefile > @@ -3,4 +3,4 @@ obj-$(CONFIG_ACPI_AGDI) += agdi.o > obj-$(CONFIG_ACPI_IORT) += iort.o > obj-$(CONFIG_ACPI_GTDT) += gtdt.o > obj-$(CONFIG_ACPI_APMT) += apmt.o > -obj-y += dma.o > +obj-y += dma.o init.o > diff --git a/drivers/acpi/arm64/agdi.c b/drivers/acpi/arm64/agdi.c > index f605302395c3..8b3c7d42b41b 100644 > --- a/drivers/acpi/arm64/agdi.c > +++ b/drivers/acpi/arm64/agdi.c > @@ -9,11 +9,11 @@ > #define pr_fmt(fmt) "ACPI: AGDI: " fmt > > #include <linux/acpi.h> > -#include <linux/acpi_agdi.h> > #include <linux/arm_sdei.h> > #include <linux/io.h> > #include <linux/kernel.h> > #include <linux/platform_device.h> > +#include "init.h" > > struct agdi_data { > int sdei_event; > diff --git a/drivers/acpi/arm64/apmt.c b/drivers/acpi/arm64/apmt.c > index 8cab69fa5d59..e5c3bc99fc79 100644 > --- a/drivers/acpi/arm64/apmt.c > +++ b/drivers/acpi/arm64/apmt.c > @@ -10,10 +10,10 @@ > #define pr_fmt(fmt) "ACPI: APMT: " fmt > > #include <linux/acpi.h> > -#include <linux/acpi_apmt.h> > #include <linux/init.h> > #include <linux/kernel.h> > #include <linux/platform_device.h> > +#include "init.h" > > #define DEV_NAME "arm-cs-arch-pmu" > > diff --git a/drivers/acpi/arm64/init.c b/drivers/acpi/arm64/init.c > new file mode 100644 > index 000000000000..d3ce53dda122 > --- /dev/null > +++ b/drivers/acpi/arm64/init.c > @@ -0,0 +1,13 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +#include <linux/acpi.h> > +#include "init.h" > + > +void __init acpi_arm_init(void) > +{ > + if (IS_ENABLED(CONFIG_ACPI_AGDI)) > + acpi_agdi_init(); > + if (IS_ENABLED(CONFIG_ACPI_APMT)) > + acpi_apmt_init(); > + if (IS_ENABLED(CONFIG_ACPI_IORT)) > + acpi_iort_init(); > +} > diff --git a/drivers/acpi/arm64/init.h b/drivers/acpi/arm64/init.h > new file mode 100644 > index 000000000000..a1715a2a34e9 > --- /dev/null > +++ b/drivers/acpi/arm64/init.h > @@ -0,0 +1,6 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +#include <linux/init.h> > + > +void __init acpi_agdi_init(void); > +void __init acpi_apmt_init(void); > +void __init acpi_iort_init(void); > diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c > index 38fb84974f35..3631230a61c8 100644 > --- a/drivers/acpi/arm64/iort.c > +++ b/drivers/acpi/arm64/iort.c > @@ -19,6 +19,7 @@ > #include <linux/platform_device.h> > #include <linux/slab.h> > #include <linux/dma-map-ops.h> > +#include "init.h" > > #define IORT_TYPE_MASK(type) (1 << (type)) > #define IORT_MSI_TYPE (1 << ACPI_IORT_NODE_ITS_GROUP) > diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c > index d161ff707de4..7a1eaf8c7bde 100644 > --- a/drivers/acpi/bus.c > +++ b/drivers/acpi/bus.c > @@ -26,9 +26,6 @@ > #include <asm/mpspec.h> > #include <linux/dmi.h> > #endif > -#include <linux/acpi_agdi.h> > -#include <linux/acpi_apmt.h> > -#include <linux/acpi_iort.h> > #include <linux/acpi_viot.h> > #include <linux/pci.h> > #include <acpi/apei.h> > @@ -1408,7 +1405,7 @@ static int __init acpi_init(void) > acpi_init_ffh(); > > pci_mmcfg_late_init(); > - acpi_iort_init(); > + acpi_arm_init(); > acpi_viot_early_init(); > acpi_hest_init(); > acpi_ghes_init(); > @@ -1420,8 +1417,6 @@ static int __init acpi_init(void) > acpi_debugger_init(); > acpi_setup_sb_notify_handler(); > acpi_viot_init(); > - acpi_agdi_init(); > - acpi_apmt_init(); > return 0; > } > > diff --git a/include/linux/acpi.h b/include/linux/acpi.h > index 7b71dd74baeb..5ef126a0a50f 100644 > --- a/include/linux/acpi.h > +++ b/include/linux/acpi.h > @@ -1507,6 +1507,12 @@ static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) > } > #endif > > +#ifdef CONFIG_ARM64 > +void acpi_arm_init(void); > +#else > +static inline void acpi_arm_init(void) { } > +#endif > + > #ifdef CONFIG_ACPI_PCC > void acpi_init_pcc(void); > #else > diff --git a/include/linux/acpi_agdi.h b/include/linux/acpi_agdi.h > deleted file mode 100644 > index f477f0b452fa..000000000000 > --- a/include/linux/acpi_agdi.h > +++ /dev/null > @@ -1,13 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0-only */ > - > -#ifndef __ACPI_AGDI_H__ > -#define __ACPI_AGDI_H__ > - > -#include <linux/acpi.h> > - > -#ifdef CONFIG_ACPI_AGDI > -void __init acpi_agdi_init(void); > -#else > -static inline void acpi_agdi_init(void) {} > -#endif > -#endif /* __ACPI_AGDI_H__ */ > diff --git a/include/linux/acpi_apmt.h b/include/linux/acpi_apmt.h > deleted file mode 100644 > index 40bd634d082f..000000000000 > --- a/include/linux/acpi_apmt.h > +++ /dev/null > @@ -1,19 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0 > - * > - * ARM CoreSight PMU driver. > - * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. > - * > - */ > - > -#ifndef __ACPI_APMT_H__ > -#define __ACPI_APMT_H__ > - > -#include <linux/acpi.h> > - > -#ifdef CONFIG_ACPI_APMT > -void acpi_apmt_init(void); > -#else > -static inline void acpi_apmt_init(void) { } > -#endif /* CONFIG_ACPI_APMT */ > - > -#endif /* __ACPI_APMT_H__ */ > diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h > index b43be0987b19..e4e7bb6fa720 100644 > --- a/include/linux/acpi_iort.h > +++ b/include/linux/acpi_iort.h > @@ -27,7 +27,6 @@ int iort_register_domain_token(int trans_id, phys_addr_t base, > void iort_deregister_domain_token(int trans_id); > struct fwnode_handle *iort_find_domain_token(int trans_id); > #ifdef CONFIG_ACPI_IORT > -void acpi_iort_init(void); > u32 iort_msi_map_id(struct device *dev, u32 id); > struct irq_domain *iort_get_device_domain(struct device *dev, u32 id, > enum irq_domain_bus_token bus_token); > @@ -43,7 +42,6 @@ int iort_iommu_configure_id(struct device *dev, const u32 *id_in); > void iort_iommu_get_resv_regions(struct device *dev, struct list_head *head); > phys_addr_t acpi_iort_dma_get_max_cpu_address(void); > #else > -static inline void acpi_iort_init(void) { } > static inline u32 iort_msi_map_id(struct device *dev, u32 id) > { return id; } > static inline struct irq_domain *iort_get_device_domain( > -- > 2.40.1 >
