From 39d40871526627fd0e2cfc1e2fb88500a5049c4c Mon Sep 17 00:00:00 2001 From: Andrew Donnellan Date: Wed, 1 Feb 2017 14:22:07 +1100 Subject: [PATCH] cxl: Fix build when CONFIG_DEBUG_FS=n Stub out the debugfs functions so that the build doesn't break when CONFIG_DEBUG_FS=n. Reported-by: Michael Ellerman Signed-off-by: Andrew Donnellan Acked-by: Ian Munsie Signed-off-by: Michael Ellerman --- drivers/misc/cxl/Makefile | 3 +- drivers/misc/cxl/cxl.h | 59 ++++++++++++++++++++++++++++++++++++--- 2 files changed, 57 insertions(+), 5 deletions(-) diff --git a/drivers/misc/cxl/Makefile b/drivers/misc/cxl/Makefile index 56e9a4732ef0..c14fd6b65b5a 100644 --- a/drivers/misc/cxl/Makefile +++ b/drivers/misc/cxl/Makefile @@ -2,9 +2,10 @@ ccflags-y := $(call cc-disable-warning, unused-const-variable) ccflags-$(CONFIG_PPC_WERROR) += -Werror cxl-y += main.o file.o irq.o fault.o native.o -cxl-y += context.o sysfs.o debugfs.o pci.o trace.o +cxl-y += context.o sysfs.o pci.o trace.o cxl-y += vphb.o phb.o api.o cxl-$(CONFIG_PPC_PSERIES) += flash.o guest.o of.o hcalls.o +cxl-$(CONFIG_DEBUG_FS) += debugfs.o obj-$(CONFIG_CXL) += cxl.o obj-$(CONFIG_CXL_BASE) += base.o diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index b4a43fd14b99..6c722d96b775 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -802,12 +802,67 @@ int afu_register_irqs(struct cxl_context *ctx, u32 count); void afu_release_irqs(struct cxl_context *ctx, void *cookie); void afu_irq_name_free(struct cxl_context *ctx); +#ifdef CONFIG_DEBUG_FS + int cxl_debugfs_init(void); void cxl_debugfs_exit(void); int cxl_debugfs_adapter_add(struct cxl *adapter); void cxl_debugfs_adapter_remove(struct cxl *adapter); int cxl_debugfs_afu_add(struct cxl_afu *afu); void cxl_debugfs_afu_remove(struct cxl_afu *afu); +void cxl_stop_trace(struct cxl *cxl); +void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, struct dentry *dir); +void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, struct dentry *dir); +void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir); + +#else /* CONFIG_DEBUG_FS */ + +static inline int __init cxl_debugfs_init(void) +{ + return 0; +} + +static inline void cxl_debugfs_exit(void) +{ +} + +static inline int cxl_debugfs_adapter_add(struct cxl *adapter) +{ + return 0; +} + +static inline void cxl_debugfs_adapter_remove(struct cxl *adapter) +{ +} + +static inline int cxl_debugfs_afu_add(struct cxl_afu *afu) +{ + return 0; +} + +static inline void cxl_debugfs_afu_remove(struct cxl_afu *afu) +{ +} + +static inline void cxl_stop_trace(struct cxl *cxl) +{ +} + +static inline void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, + struct dentry *dir) +{ +} + +static inline void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, + struct dentry *dir) +{ +} + +static inline void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir) +{ +} + +#endif /* CONFIG_DEBUG_FS */ void cxl_handle_fault(struct work_struct *work); void cxl_prefault(struct cxl_context *ctx, u64 wed); @@ -872,12 +927,8 @@ int cxl_data_cache_flush(struct cxl *adapter); int cxl_afu_disable(struct cxl_afu *afu); int cxl_psl_purge(struct cxl_afu *afu); -void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, struct dentry *dir); -void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, struct dentry *dir); -void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir); void cxl_native_psl_irq_dump_regs(struct cxl_context *ctx); void cxl_native_err_irq_dump_regs(struct cxl *adapter); -void cxl_stop_trace(struct cxl *cxl); int cxl_pci_vphb_add(struct cxl_afu *afu); void cxl_pci_vphb_remove(struct cxl_afu *afu); void cxl_release_mapping(struct cxl_context *ctx); -- 2.20.1