linux-kernel - [PATCH] hpet: remove unused writeq/readq function definitions

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Date:   Tue, 25 Jan 2022 14:03:52 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     arnd@...db.de, clemens@...isch.de, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH] hpet: remove unused writeq/readq function definitions

On all arch using hpet, only i386 miss writeq/readq.
Instead of rewriting them, use linux/io-64-nonatomic-lo-hi.h which
already have them.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 drivers/char/hpet.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 563dfae3b8da..55bd63c97d00 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -16,6 +16,7 @@
 #include <linux/ioport.h>
 #include <linux/fcntl.h>
 #include <linux/init.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 #include <linux/poll.h>
 #include <linux/mm.h>
 #include <linux/proc_fs.h>
@@ -120,22 +121,6 @@ static struct hpets *hpets;
 #define	HPET_PERIODIC		0x0004
 #define	HPET_SHARED_IRQ		0x0008
 
-
-#ifndef readq
-static inline unsigned long long readq(void __iomem *addr)
-{
-	return readl(addr) | (((unsigned long long)readl(addr + 4)) << 32LL);
-}
-#endif
-
-#ifndef writeq
-static inline void writeq(unsigned long long v, void __iomem *addr)
-{
-	writel(v & 0xffffffff, addr);
-	writel(v >> 32, addr + 4);
-}
-#endif
-
 static irqreturn_t hpet_interrupt(int irq, void *data)
 {
 	struct hpet_dev *devp;
-- 
2.34.1