[PATCH 2/6] staging: panel: use new parport device model

From: Sudip Mukherjee
Date: Wed May 20 2015 - 11:27:34 EST


Converted to use the new device-model parallel port.

Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---

The comment about panel_cb.flags can be removed, it is kept just
for the comment to remind us that it might be better to use
PARPORT_DEV_EXCL.

drivers/staging/panel/panel.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 1d8ed8b..70f0ac6 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -2190,6 +2190,8 @@ static struct notifier_block panel_notifier = {

static void panel_attach(struct parport *port)
{
+ struct pardev_cb panel_cb;
+
if (port->number != parport)
return;

@@ -2199,10 +2201,11 @@ 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);
+ memset(&panel_cb, 0, sizeof(panel_cb));
+ panel_cb.private = &pprt;
+ /* panel_cb.flags = 0 should be PARPORT_DEV_EXCL? */
+
+ 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 +2259,9 @@ 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,
+ .devmodel = true,
};

/* init function */
--
1.8.1.2

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