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Add a workaround for the fact that the priv field was removed from

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struct driver. We were the last user of that field (and we are scheduled
for demolition) so there wasn't much point in keeping it.
This commit is contained in:
Doug Rabson 2003-10-16 09:18:35 +00:00
parent 46ba7a35f2
commit 5f16902f7e
1 changed files with 18 additions and 4 deletions
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22
sys/i386/isa/isa_compat.c
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@ -48,6 +48,17 @@ __FBSDID("$FreeBSD$");
#include <isa/isavar.h>
#include <i386/isa/isa_device.h>
/*
* The 'priv' field has been removed from 'struct driver' since the
* only remaining user of that field was this compatibility layer. We
* use this field to map from the newbus driver stub to the underlying
* old-style isa driver.
*/
struct isa_compat_driver {
KOBJ_CLASS_FIELDS;
void *priv;
};
struct isa_compat_resources {
struct resource *ports;
struct resource *memory;
@ -137,6 +148,7 @@ isa_compat_release_resources(device_t dev, struct isa_compat_resources *res)
static int
isa_compat_probe(device_t dev)
{
struct isa_compat_driver *drv;
struct isa_device *dvp = device_get_softc(dev);
struct isa_compat_resources res;
u_long start, count;
@ -149,7 +161,8 @@ isa_compat_probe(device_t dev)
/*
* Fill in the isa_device fields.
*/
dvp->id_driver = device_get_driver(dev)->priv;
drv = (struct isa_compat_driver *) device_get_driver(dev);
dvp->id_driver = drv->priv;
if (bus_get_resource(dev, SYS_RES_IOPORT, 0,
&start, &count) == 0)
dvp->id_iobase = start;
@ -267,12 +280,13 @@ int
compat_isa_handler(module_t mod, int type, void *data)
{
struct isa_driver *id = (struct isa_driver *)data;
driver_t *driver;
struct isa_compat_driver *driver;
devclass_t isa_devclass = devclass_find("isa");
switch (type) {
case MOD_LOAD:
driver = malloc(sizeof(driver_t), M_DEVBUF, M_NOWAIT | M_ZERO);
driver = malloc(sizeof(struct isa_compat_driver),
M_DEVBUF, M_NOWAIT | M_ZERO);
if (!driver)
return ENOMEM;
driver->name = id->name;
@ -287,7 +301,7 @@ compat_isa_handler(module_t mod, int type, void *data)
driver->name);
#endif
}
devclass_add_driver(isa_devclass, driver);
devclass_add_driver(isa_devclass, (kobj_class_t) driver);
break;
case MOD_UNLOAD:
printf("%s: module unload not supported!\n", id->name);