From: Sakari Ailus <sakari.ailus@linux.intel.com>
Date: Thu, 18 Dec 2025 22:54:35 +0000 (+0200)
Subject: media: ipu6: Drop MMU hardware initialisation in probe()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b18b3816f7f0573c8f764f88d403250dd528ca5;p=thirdparty%2Fkernel%2Flinux.git

media: ipu6: Drop MMU hardware initialisation in probe()

The MMU hardware is initialised and cleaned up in the runtime PM resume
callbacks. Do not do this in probe().

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
---

diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys.c b/drivers/media/pci/intel/ipu6/ipu6-isys.c
index fc0ec0a4b8f54..226bfae21c168 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys.c
@@ -1070,10 +1070,6 @@ static int isys_probe(struct auxiliary_device *auxdev,
 	if (!isys->csi2)
 		return -ENOMEM;
 
-	ret = ipu6_mmu_hw_init(adev->mmu);
-	if (ret)
-		return ret;
-
 	/* initial sensor type */
 	isys->sensor_type = isys->pdata->ipdata->sensor_type_start;
 
@@ -1125,8 +1121,6 @@ static int isys_probe(struct auxiliary_device *auxdev,
 	if (ret)
 		goto free_fw_msg_bufs;
 
-	ipu6_mmu_hw_cleanup(adev->mmu);
-
 	return 0;
 
 free_fw_msg_bufs:
@@ -1148,8 +1142,6 @@ release_firmware:
 	mutex_destroy(&isys->mutex);
 	mutex_destroy(&isys->stream_mutex);
 
-	ipu6_mmu_hw_cleanup(adev->mmu);
-
 	return ret;
 }