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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2016-02-12 18:33:45 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 17:43:50 -0800
commite7223f18603374d235d8bb0398532323e5f318b9 (patch)
tree9a62c592b5c5a14d140da9aad484171b9f4c92f4 /drivers/char/ppdev.c
parent3c8db584323875a50696718c89d94cef0ed54f30 (diff)
downloadleg-kernel-e7223f18603374d235d8bb0398532323e5f318b9.tar.gz
ppdev: use new parport device model
Modify ppdev driver to use the new parallel port device model. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char/ppdev.c')
-rw-r--r--drivers/char/ppdev.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index bccc15a4b25d..6152c09e89d9 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -286,7 +286,7 @@ static int register_device(int minor, struct pp_struct *pp)
struct parport *port;
struct pardevice *pdev = NULL;
char *name;
- int fl;
+ struct pardev_cb ppdev_cb;
name = kasprintf(GFP_KERNEL, CHRDEV "%x", minor);
if (name == NULL)
@@ -299,9 +299,11 @@ static int register_device(int minor, struct pp_struct *pp)
return -ENXIO;
}
- fl = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0;
- pdev = parport_register_device(port, name, NULL,
- NULL, pp_irq, fl, pp);
+ memset(&ppdev_cb, 0, sizeof(ppdev_cb));
+ ppdev_cb.irq_func = pp_irq;
+ ppdev_cb.flags = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0;
+ ppdev_cb.private = pp;
+ pdev = parport_register_dev_model(port, name, &ppdev_cb, minor);
parport_put_port(port);
if (!pdev) {
@@ -799,10 +801,23 @@ static void pp_detach(struct parport *port)
device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number));
}
+static int pp_probe(struct pardevice *par_dev)
+{
+ struct device_driver *drv = par_dev->dev.driver;
+ int len = strlen(drv->name);
+
+ if (strncmp(par_dev->name, drv->name, len))
+ return -ENODEV;
+
+ return 0;
+}
+
static struct parport_driver pp_driver = {
.name = CHRDEV,
- .attach = pp_attach,
+ .probe = pp_probe,
+ .match_port = pp_attach,
.detach = pp_detach,
+ .devmodel = true,
};
static int __init ppdev_init(void)