summaryrefslogtreecommitdiffstats
path: root/drivers/net/wwan/iosm/iosm_ipc_trace.c
diff options
context:
space:
mode:
authorMaxime Ripard <mripard@kernel.org>2023-07-11 09:23:20 +0200
committerMaxime Ripard <mripard@kernel.org>2023-07-11 09:23:20 +0200
commit2f98e686ef59b5d19af5847d755798e2031bee3a (patch)
tree7b47919242853d088decf898ca79d6cda0d49381 /drivers/net/wwan/iosm/iosm_ipc_trace.c
parenta2848d08742c8e8494675892c02c0d22acbe3cf8 (diff)
parent06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 (diff)
downloadlinux-2f98e686ef59b5d19af5847d755798e2031bee3a.tar.gz
linux-2f98e686ef59b5d19af5847d755798e2031bee3a.tar.bz2
linux-2f98e686ef59b5d19af5847d755798e2031bee3a.zip
Merge v6.5-rc1 into drm-misc-fixes
Boris needs 6.5-rc1 in drm-misc-fixes to prevent a conflict. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/net/wwan/iosm/iosm_ipc_trace.c')
-rw-r--r--drivers/net/wwan/iosm/iosm_ipc_trace.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wwan/iosm/iosm_ipc_trace.c b/drivers/net/wwan/iosm/iosm_ipc_trace.c
index eeecfa3d10c5..4368373797b6 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_trace.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_trace.c
@@ -3,7 +3,9 @@
* Copyright (C) 2020-2021 Intel Corporation.
*/
+#include <linux/pm_runtime.h>
#include <linux/wwan.h>
+
#include "iosm_ipc_trace.h"
/* sub buffer size and number of sub buffer */
@@ -97,6 +99,8 @@ static ssize_t ipc_trace_ctrl_file_write(struct file *filp,
if (ret)
return ret;
+ pm_runtime_get_sync(ipc_trace->ipc_imem->dev);
+
mutex_lock(&ipc_trace->trc_mutex);
if (val == TRACE_ENABLE && ipc_trace->mode != TRACE_ENABLE) {
ipc_trace->channel = ipc_imem_sys_port_open(ipc_trace->ipc_imem,
@@ -117,6 +121,10 @@ static ssize_t ipc_trace_ctrl_file_write(struct file *filp,
ret = count;
unlock:
mutex_unlock(&ipc_trace->trc_mutex);
+
+ pm_runtime_mark_last_busy(ipc_trace->ipc_imem->dev);
+ pm_runtime_put_autosuspend(ipc_trace->ipc_imem->dev);
+
return ret;
}