From:   Ondrej Zary <linux@zary.sk>
To:     Damien Le Moal <damien.lemoal@opensource.wdc.com>
Cc:     Christoph Hellwig <hch@lst.de>,
        Sergey Shtylyov <s.shtylyov@omp.ru>,
        Jens Axboe <axboe@kernel.dk>, Tim Waugh <tim@cyberelk.net>,
        linux-block@vger.kernel.org, linux-parport@lists.infradead.org,
        linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 06/18] pata_parport: remove devtype from struct pi_adapter
Date:   Mon,  6 Mar 2023 18:27:40 +0100
Message-Id: <20230306172752.7727-7-linux@zary.sk>
In-Reply-To: <20230306172752.7727-1-linux@zary.sk>
References: <20230306172752.7727-1-linux@zary.sk>
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Only bpck driver uses devtype but it never gets set in pata_parport.
Remove it.
As most bpck devices are CD-ROMs, always run the code that depends
on devtype == PI_PCD.

Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Ondrej Zary <linux@zary.sk>
---
 drivers/ata/pata_parport/bpck.c | 4 ++--
 include/linux/pata_parport.h    | 3 ---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/ata/pata_parport/bpck.c b/drivers/ata/pata_parport/bpck.c
index b9174cf8863c..96386a10c22f 100644
--- a/drivers/ata/pata_parport/bpck.c
+++ b/drivers/ata/pata_parport/bpck.c
@@ -241,14 +241,14 @@ static void bpck_connect ( PIA *pi  )
 
 	WR(5,8);
 
-	if (pi->devtype == PI_PCD) {
+/*	if (pi->devtype == PI_PCD) {	possibly wrong, purpose unknown */
 		WR(0x46,0x10);		/* fiddle with ESS logic ??? */
 		WR(0x4c,0x38);
 		WR(0x4d,0x88);
 		WR(0x46,0xa0);
 		WR(0x41,0);
 		WR(0x4e,8);
-		}
+/*	}*/
 }
 
 static void bpck_disconnect ( PIA *pi )
diff --git a/include/linux/pata_parport.h b/include/linux/pata_parport.h
index 9614ce53470a..3fc6b002c7c8 100644
--- a/include/linux/pata_parport.h
+++ b/include/linux/pata_parport.h
@@ -11,15 +11,12 @@
 
 #include <linux/libata.h>
 
-#define PI_PCD	1	/* dummy for paride protocol modules */
-
 struct pi_adapter {
 	struct device dev;
 	struct pi_protocol *proto;	/* adapter protocol */
 	int port;			/* base address of parallel port */
 	int mode;			/* transfer mode in use */
 	int delay;			/* adapter delay setting */
-	int devtype;			/* dummy for paride protocol modules */
 	char *device;			/* dummy for paride protocol modules */
 	int unit;			/* unit number for chained adapters */
 	int saved_r0;			/* saved port state */
-- 
Ondrej Zary