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Commit e7930ba4 authored by Rob Herring's avatar Rob Herring Committed by Mauro Carvalho Chehab
Browse files

edac: create top-level debugfs directory 



Create a single, top-level "edac" directory for debugfs. An "mc[0-N]"
directory is then created for each memory controller. Individual drivers
can create additional entries such as h/w error injection control.

Signed-off-by: default avatarRob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent c1053839

drivers/edac/edac_mc_sysfs.c

+22 −1
Original line number Diff line number Diff line
@@ -899,13 +899,33 @@ static struct device_type mci_attr_type = { 
};



#ifdef CONFIG_EDAC_DEBUG

static struct dentry *edac_debugfs;



int __init edac_debugfs_init(void)

{

	edac_debugfs = debugfs_create_dir("edac", NULL);

	if (IS_ERR(edac_debugfs)) {

		edac_debugfs = NULL;

		return -ENOMEM;

	}

	return 0;

}



void __exit edac_debugfs_exit(void)

{

	debugfs_remove(edac_debugfs);

}



int edac_create_debug_nodes(struct mem_ctl_info *mci)

{

	struct dentry *d, *parent;

	char name[80];

	int i;



	d = debugfs_create_dir(mci->dev.kobj.name, mci->debugfs);

	if (!edac_debugfs)

		return -ENODEV;



	d = debugfs_create_dir(mci->dev.kobj.name, edac_debugfs);

	if (!d)

		return -ENOMEM;

	parent = d;
@@ -930,6 +950,7 @@ int edac_create_debug_nodes(struct mem_ctl_info *mci) 
	if (!d)

		goto nomem;



	mci->debugfs = parent;

	return 0;

nomem:

	debugfs_remove(mci->debugfs);

drivers/edac/edac_module.c

+3 −0
Original line number Diff line number Diff line
@@ -94,6 +94,8 @@ static int __init edac_init(void) 
	if (err)

		goto error;



	edac_debugfs_init();



	/* Setup/Initialize the workq for this core */

	err = edac_workqueue_setup();

	if (err) {
@@ -118,6 +120,7 @@ static void __exit edac_exit(void) 
	/* tear down the various subsystems */

	edac_workqueue_teardown();

	edac_mc_sysfs_exit();

	edac_debugfs_exit();

}



/*

drivers/edac/edac_module.h

+14 −0
Original line number Diff line number Diff line
@@ -56,6 +56,20 @@ extern void edac_mc_reset_delay_period(int value); 


extern void *edac_align_ptr(void **p, unsigned size, int n_elems);



/*

 * EDAC debugfs functions

 */

#ifdef CONFIG_EDAC_DEBUG

int edac_debugfs_init(void);

void edac_debugfs_exit(void);

#else

static inline int edac_debugfs_init(void)

{

	return -ENODEV;

}

static inline void edac_debugfs_exit(void) {}

#endif



/*

 * EDAC PCI functions

 */