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

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regset is a generic implementation of regdump
utility through debugfs.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-01-18 10:21:34 +02:00
parent 7dbdf4e4b3
commit d7668024b3
2 changed files with 13 additions and 24 deletions
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1
drivers/usb/dwc3/core.h
View file

@ -723,6 +723,7 @@ struct dwc3 {
struct dwc3_hwparams hwparams;
struct dentry *root;
struct debugfs_regset32 *regset;
u8 test_mode;
u8 test_mode_nr;

36
drivers/usb/dwc3/debugfs.c
View file

@ -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;