linux-kernel - [PATCH 5/5] char: lp: use new parport device model

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Date:   Fri,  7 Dec 2018 14:27:34 +0000
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     linux-kernel@...r.kernel.org,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 5/5] char: lp: use new parport device model

Modify lp driver to use the new parallel port device model.

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@...il.com>
---
 drivers/char/lp.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index cef2ea386f5e..5c8d780637bd 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -912,9 +912,13 @@ static int __init lp_setup(char *str)
 
 static int lp_register(int nr, struct parport *port)
 {
-	lp_table[nr].dev = parport_register_device(port, "lp",
-						   lp_preempt, NULL, NULL, 0,
-						   (void *) &lp_table[nr]);
+	struct pardev_cb ppdev_cb;
+
+	memset(&ppdev_cb, 0, sizeof(ppdev_cb));
+	ppdev_cb.preempt = lp_preempt;
+	ppdev_cb.private = &lp_table[nr];
+	lp_table[nr].dev = parport_register_dev_model(port, "lp",
+						      &ppdev_cb, nr);
 	if (lp_table[nr].dev == NULL)
 		return 1;
 	lp_table[nr].flags |= LP_EXIST;
@@ -1002,8 +1006,9 @@ static void lp_detach(struct parport *port)
 
 static struct parport_driver lp_driver = {
 	.name = "lp",
-	.attach = lp_attach,
+	.match_port = lp_attach,
 	.detach = lp_detach,
+	.devmodel = true,
 };
 
 static int __init lp_init(void)
-- 
2.11.0