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

From: Sudip Mukherjee
Date: Wed May 06 2015 - 06:16:44 EST


converted to use the new device-model parallel port.

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