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authorKuen-Han Tsai <khtsai@google.com>2025-08-22 17:23:46 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-09-06 15:21:59 +0200
commit4c9860fbe66177fddb8b7161d6809110d3960a6e (patch)
tree6337d2116146941eb331d5e6673856d3f4e65352 /drivers/usb
parent55f4ac8f93f4281134dfcf47de7b4588bb6074f2 (diff)
usb: dwc3: Refactor dwc3_mode_show
Use dwc3_mode_string as the single source of truth for mode-to-string conversion. Signed-off-by: Kuen-Han Tsai <khtsai@google.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://lore.kernel.org/r/20250822092411.173519-2-khtsai@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc3/debugfs.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index ebf03468fac4..d18bf5e32cc8 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -402,6 +402,7 @@ static int dwc3_mode_show(struct seq_file *s, void *unused)
struct dwc3 *dwc = s->private;
unsigned long flags;
u32 reg;
+ u32 mode;
int ret;
ret = pm_runtime_resume_and_get(dwc->dev);
@@ -412,18 +413,15 @@ static int dwc3_mode_show(struct seq_file *s, void *unused)
reg = dwc3_readl(dwc->regs, DWC3_GCTL);
spin_unlock_irqrestore(&dwc->lock, flags);
- switch (DWC3_GCTL_PRTCAP(reg)) {
+ mode = DWC3_GCTL_PRTCAP(reg);
+ switch (mode) {
case DWC3_GCTL_PRTCAP_HOST:
- seq_puts(s, "host\n");
- break;
case DWC3_GCTL_PRTCAP_DEVICE:
- seq_puts(s, "device\n");
- break;
case DWC3_GCTL_PRTCAP_OTG:
- seq_puts(s, "otg\n");
+ seq_printf(s, "%s\n", dwc3_mode_string(mode));
break;
default:
- seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg));
+ seq_printf(s, "UNKNOWN %08x\n", mode);
}
pm_runtime_put_sync(dwc->dev);