[PATCH 2/2] pps: generator: use new parport device model

Sudip Mukherjee
2018-01-28T23:22:09Z

Modify pps generator driver to use the new parallel port device model.

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
---

Tested on qemu with two parallel ports.

drivers/pps/generators/pps_gen_parport.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/pps/generators/pps_gen_parport.c b/drivers/pps/generators/pps_gen_parport.c
index dcd39fb..99b076c 100644
--- a/drivers/pps/generators/pps_gen_parport.c
+++ b/drivers/pps/generators/pps_gen_parport.c
@@ -192,13 +192,18 @@ static inline ktime_t next_intr_time(struct pps_generator_pp *dev)

static void parport_attach(struct parport *port)
{
+ struct pardev_cb pps_cb;
+
if (attached) {
/* we already have a port */
return;
}

- device.pardev = parport_register_device(port, KBUILD_MODNAME,
- NULL, NULL, NULL, PARPORT_FLAG_EXCL, &device);
+ memset(&pps_cb, 0, sizeof(pps_cb));
+ pps_cb.private = &device;
+ pps_cb.flags = PARPORT_FLAG_EXCL;
+ device.pardev = parport_register_dev_model(port, KBUILD_MODNAME,
+ &pps_cb, 0);
if (!device.pardev) {
pr_err("couldn't register with %s\n", port->name);
return;
@@ -236,8 +241,9 @@ static void parport_detach(struct parport *port)

static struct parport_driver pps_gen_parport_driver = {
.name = KBUILD_MODNAME,
- .attach = parport_attach,
+ .match_port = parport_attach,
.detach = parport_detach,
+ .devmodel = true,
};

/* module staff */
--
1.9.1