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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/block/paride/pcd.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/block/paride/pcd.c')
-rw-r--r--kernel/drivers/block/paride/pcd.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/drivers/block/paride/pcd.c b/kernel/drivers/block/paride/pcd.c
index 3b7c9f1be..93362362a 100644
--- a/kernel/drivers/block/paride/pcd.c
+++ b/kernel/drivers/block/paride/pcd.c
@@ -221,6 +221,7 @@ static int pcd_busy; /* request being processed ? */
static int pcd_sector; /* address of next requested sector */
static int pcd_count; /* number of blocks still to do */
static char *pcd_buf; /* buffer for request in progress */
+static void *par_drv; /* reference of parport driver */
/* kernel glue structures */
@@ -690,6 +691,12 @@ static int pcd_detect(void)
printk("%s: %s version %s, major %d, nice %d\n",
name, name, PCD_VERSION, major, nice);
+ par_drv = pi_register_driver(name);
+ if (!par_drv) {
+ pr_err("failed to register %s driver\n", name);
+ return -1;
+ }
+
k = 0;
if (pcd_drive_count == 0) { /* nothing spec'd - so autoprobe for 1 */
cd = pcd;
@@ -723,6 +730,7 @@ static int pcd_detect(void)
printk("%s: No CD-ROM drive found\n", name);
for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++)
put_disk(cd->disk);
+ pi_unregister_driver(par_drv);
return -1;
}
@@ -984,6 +992,7 @@ static void __exit pcd_exit(void)
}
blk_cleanup_queue(pcd_queue);
unregister_blkdev(major, name);
+ pi_unregister_driver(par_drv);
}
MODULE_LICENSE("GPL");