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Commit d7668024 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: debugfs: convert our regdump to use regsets 



regset is a generic implementation of regdump
utility through debugfs.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 7dbdf4e4

drivers/usb/dwc3/core.h

+1 −0
Original line number Diff line number Diff line
@@ -723,6 +723,7 @@ struct dwc3 { 


	struct dwc3_hwparams	hwparams;

	struct dentry		*root;

	struct debugfs_regset32	*regset;



	u8			test_mode;

	u8			test_mode_nr;

drivers/usb/dwc3/debugfs.c

+12 −24
Original line number Diff line number Diff line
@@ -59,7 +59,7 @@ 
	.offset	= DWC3_ ##nm - DWC3_GLOBALS_REGS_START,	\

}



static const struct debugfs_reg32 dwc3_regs[] = {

static struct debugfs_reg32 dwc3_regs[] = {

	dump_register(GSBUSCFG0),

	dump_register(GSBUSCFG1),

	dump_register(GTXTHRCFG),
@@ -376,27 +376,6 @@ static const struct debugfs_reg32 dwc3_regs[] = { 
	dump_register(OSTS),

};



static int dwc3_regdump_show(struct seq_file *s, void *unused)

{

	struct dwc3		*dwc = s->private;



	seq_printf(s, "DesignWare USB3 Core Register Dump\n");

	debugfs_print_regs32(s, dwc3_regs, ARRAY_SIZE(dwc3_regs),

			     dwc->regs, "");

	return 0;

}



static int dwc3_regdump_open(struct inode *inode, struct file *file)

{

	return single_open(file, dwc3_regdump_show, inode->i_private);

}



static const struct file_operations dwc3_regdump_fops = {

	.open			= dwc3_regdump_open,

	.read			= seq_read,

	.release		= single_release,

};



static int dwc3_mode_show(struct seq_file *s, void *unused)

{

	struct dwc3		*dwc = s->private;
@@ -666,8 +645,17 @@ int dwc3_debugfs_init(struct dwc3 *dwc) 


	dwc->root = root;



	file = debugfs_create_file("regdump", S_IRUGO, root, dwc,

			&dwc3_regdump_fops);

	dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL);

	if (!dwc->regset) {

		ret = -ENOMEM;

		goto err1;

	}



	dwc->regset->regs = dwc3_regs;

	dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);

	dwc->regset->base = dwc->regs;



	file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);

	if (!file) {

		ret = -ENOMEM;

		goto err1;