linux-kernel - [PATCH v5 WIP 2/5] staging: panel: use new parport device model

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Message-Id: <1430907377-17147-2-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Wed,  6 May 2015 15:46:14 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg KH <gregkh@...uxfoundation.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Jean Delvare <jdelvare@...e.de>
Cc:	linux-kernel@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH v5 WIP 2/5] staging: panel: use new parport device model

converted to use the new device-model parallel port.

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/staging/panel/panel.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 1d8ed8b..772a82a 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -2188,6 +2188,18 @@ static struct notifier_block panel_notifier = {
 	0
 };
 
+static int panel_probe(struct pardevice *par_dev)
+{
+	if (strcmp(par_dev->name, "panel"))
+		return -ENODEV;
+	return 0;
+}
+
+struct pardev_cb panel_cb = {
+	.flags = 0,     /*PARPORT_DEV_EXCL */
+	.private = &pprt,
+};
+
 static void panel_attach(struct parport *port)
 {
 	if (port->number != parport)
@@ -2199,10 +2211,7 @@ static void panel_attach(struct parport *port)
 		return;
 	}
 
-	pprt = parport_register_device(port, "panel", NULL, NULL,  /* pf, kf */
-				       NULL,
-				       /*PARPORT_DEV_EXCL */
-				       0, (void *)&pprt);
+	pprt = parport_register_dev_model(port, "panel", &panel_cb, 0);
 	if (pprt == NULL) {
 		pr_err("%s: port->number=%d parport=%d, parport_register_device() failed\n",
 		       __func__, port->number, parport);
@@ -2256,8 +2265,9 @@ static void panel_detach(struct parport *port)
 
 static struct parport_driver panel_driver = {
 	.name = "panel",
-	.attach = panel_attach,
+	.match_port = panel_attach,
 	.detach = panel_detach,
+	.probe = panel_probe,
 };
 
 /* init function */
-- 
1.8.1.2

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