linux-kernel - [PATCH 7/9] macintosh/via-macii: Use unsigned type for autopoll

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Date:   Sun, 28 Jun 2020 14:23:12 +1000
From:   Finn Thain <fthain@...egraphics.com.au>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Joshua Thompson <funaho@...ai.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org,
        Laurent Vivier <lvivier@...hat.com>,
        Mark Cave-Ayland <mark.cave-ayland@...nde.co.uk>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 7/9] macintosh/via-macii: Use unsigned type for autopoll_devs
 variable

Tested-by: Stan Johnson <userm57@...oo.com>
Signed-off-by: Finn Thain <fthain@...egraphics.com.au>
---
 drivers/macintosh/via-macii.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/macintosh/via-macii.c b/drivers/macintosh/via-macii.c
index e143ddb81de34..447273967e1e8 100644
--- a/drivers/macintosh/via-macii.c
+++ b/drivers/macintosh/via-macii.c
@@ -125,7 +125,7 @@ static bool srq_asserted;    /* have to poll for the device that asserted it */
 static u8 last_cmd;              /* the most recent command byte transmitted */
 static u8 last_talk_cmd;    /* the most recent Talk command byte transmitted */
 static u8 last_poll_cmd; /* the most recent Talk R0 command byte transmitted */
-static int autopoll_devs;      /* bits set are device addresses to be polled */
+static unsigned int autopoll_devs;  /* bits set are device addresses to poll */
 
 /* Check for MacII style ADB */
 static int macii_probe(void)
@@ -291,7 +291,7 @@ static int macii_autopoll(int devs)
 	local_irq_save(flags);
 
 	/* bit 1 == device 1, and so on. */
-	autopoll_devs = devs & 0xFFFE;
+	autopoll_devs = (unsigned int)devs & 0xFFFE;
 
 	if (!current_req) {
 		macii_queue_poll();
-- 
2.26.2