linux-kernel - [PATCH] usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined

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Date: Thu,  7 Mar 2024 11:13:51 +0000
From: Colin Ian King <colin.i.king@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org
Cc: kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined

Function checkdone is only required if QUIRK2 is defined, so add
appropriate #if / #endif around the function.

Cleans up clang scan build warning:
drivers/usb/host/sl811-hcd.c:588:18: warning: unused function
'checkdone' [-Wunused-function]

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/usb/host/sl811-hcd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 0956495bba57..2b871540bb50 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -585,6 +585,7 @@ done(struct sl811 *sl811, struct sl811h_ep *ep, u8 bank)
 		finish_request(sl811, ep, urb, urbstat);
 }
 
+#ifdef QUIRK2
 static inline u8 checkdone(struct sl811 *sl811)
 {
 	u8	ctl;
@@ -616,6 +617,7 @@ static inline u8 checkdone(struct sl811 *sl811)
 #endif
 	return irqstat;
 }
+#endif
 
 static irqreturn_t sl811h_irq(struct usb_hcd *hcd)
 {
-- 
2.39.2