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authorAndrew Donnellan <andrew.donnellan@au1.ibm.com>2017-02-01 14:22:07 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-02-03 21:59:26 +1100
commit39d40871526627fd0e2cfc1e2fb88500a5049c4c (patch)
tree0debe76f1f3c0d08b6b34df19b466cf625e69f99
parent673bc4354d42731018494bb69d63b6513f9ae2bb (diff)
downloadlinux-39d40871526627fd0e2cfc1e2fb88500a5049c4c.tar.bz2
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 <mpe@ellerman.id.au> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--drivers/misc/cxl/Makefile3
-rw-r--r--drivers/misc/cxl/cxl.h59
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);