Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 7eacc1c..e60eab7 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* PTP 1588 clock support
*
* Copyright (C) 2010 OMICRON electronics GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/idr.h>
#include <linux/device.h>
@@ -76,7 +63,7 @@
spin_unlock_irqrestore(&queue->lock, flags);
}
-static s32 scaled_ppm_to_ppb(long ppm)
+s32 scaled_ppm_to_ppb(long ppm)
{
/*
* The 'freq' field in the 'struct timex' is in parts per
@@ -95,6 +82,7 @@
ppb >>= 13;
return (s32) ppb;
}
+EXPORT_SYMBOL(scaled_ppm_to_ppb);
/* posix clock implementation */
@@ -117,11 +105,14 @@
struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
int err;
- err = ptp->info->gettime64(ptp->info, tp);
+ if (ptp->info->gettimex64)
+ err = ptp->info->gettimex64(ptp->info, tp, NULL);
+ else
+ err = ptp->info->gettime64(ptp->info, tp);
return err;
}
-static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)
+static int ptp_clock_adjtime(struct posix_clock *pc, struct __kernel_timex *tx)
{
struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
struct ptp_clock_info *ops;
@@ -232,12 +223,8 @@
init_waitqueue_head(&ptp->tsev_wq);
if (ptp->info->do_aux_work) {
- char *worker_name = kasprintf(GFP_KERNEL, "ptp%d", ptp->index);
-
kthread_init_delayed_work(&ptp->aux_work, ptp_aux_kworker);
- ptp->kworker = kthread_create_worker(0, worker_name ?
- worker_name : info->name);
- kfree(worker_name);
+ ptp->kworker = kthread_create_worker(0, "ptp%d", ptp->index);
if (IS_ERR(ptp->kworker)) {
err = PTR_ERR(ptp->kworker);
pr_err("failed to create ptp aux_worker %d\n", err);
@@ -253,8 +240,10 @@
ptp->dev = device_create_with_groups(ptp_class, parent, ptp->devid,
ptp, ptp->pin_attr_groups,
"ptp%d", ptp->index);
- if (IS_ERR(ptp->dev))
+ if (IS_ERR(ptp->dev)) {
+ err = PTR_ERR(ptp->dev);
goto no_device;
+ }
/* Register a new PPS source. */
if (info->pps) {
@@ -264,7 +253,8 @@
pps.mode = PTP_PPS_MODE;
pps.owner = info->owner;
ptp->pps_source = pps_register_source(&pps, PTP_PPS_DEFAULTS);
- if (!ptp->pps_source) {
+ if (IS_ERR(ptp->pps_source)) {
+ err = PTR_ERR(ptp->pps_source);
pr_err("failed to register pps source\n");
goto no_pps;
}