Merge tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver updates from Greg KH:
 "Here is the big set of char/misc driver changes for 5.15-rc1.

  Lots of different driver subsystems are being updated in here,
  notably:

   - mhi subsystem update

   - fpga subsystem update

   - coresight/hwtracing subsystem update

   - interconnect subsystem update

   - nvmem subsystem update

   - parport drivers update

   - phy subsystem update

   - soundwire subsystem update

  and there are some other char/misc drivers being updated as well:

   - binder driver additions

   - new misc drivers

   - lkdtm driver updates

   - mei driver updates

   - sram driver updates

   - other minor driver updates.

  Note, there are no habanalabs driver updates in this pull request,
  that will probably come later before -rc1 is out in a different
  request.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits)
  Revert "bus: mhi: Add inbound buffers allocation flag"
  misc/pvpanic: fix set driver data
  VMCI: fix NULL pointer dereference when unmapping queue pair
  char: mware: fix returnvar.cocci warnings
  parport: remove non-zero check on count
  soundwire: cadence: do not extend reset delay
  soundwire: intel: conditionally exit clock stop mode on system suspend
  soundwire: intel: skip suspend/resume/wake when link was not started
  soundwire: intel: fix potential race condition during power down
  phy: qcom-qmp: Add support for SM6115 UFS phy
  dt-bindings: phy: qcom,qmp: Add SM6115 UFS PHY bindings
  phy: qmp: Provide unique clock names for DP clocks
  lkdtm: remove IDE_CORE_CP crashpoint
  lkdtm: replace SCSI_DISPATCH_CMD with SCSI_QUEUE_RQ
  coresight: Replace deprecated CPU-hotplug functions.
  Documentation: coresight: Add documentation for CoreSight config
  coresight: syscfg: Add initial configfs support
  coresight: config: Add preloaded configurations
  coresight: etm4x: Add complex configuration handlers to etmv4
  coresight: etm-perf: Update to activate selected configuration
  ...

2 files changed, 28 insertions, 5 deletions

diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index 250e01680742..4b8978b254f9 100644
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -329,12 +329,18 @@ struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
 
 	fw = platform_get_drvdata(pdev);
 	if (!fw)
-		return NULL;
+		goto err_put_device;
 
 	if (!kref_get_unless_zero(&fw->consumers))
-		return NULL;
+		goto err_put_device;
+
+	put_device(&pdev->dev);
 
 	return fw;
+
+err_put_device:
+	put_device(&pdev->dev);
+	return NULL;
 }
 EXPORT_SYMBOL_GPL(rpi_firmware_get);
 
diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 15b138326ecc..a3cadbaf3cba 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -664,7 +664,7 @@ int zynqmp_pm_write_ggs(u32 index, u32 value)
 EXPORT_SYMBOL_GPL(zynqmp_pm_write_ggs);
 
 /**
- * zynqmp_pm_write_ggs() - PM API for reading global general storage (ggs)
+ * zynqmp_pm_read_ggs() - PM API for reading global general storage (ggs)
  * @index:	GGS register index
  * @value:	Register value to be written
  *
@@ -697,7 +697,7 @@ int zynqmp_pm_write_pggs(u32 index, u32 value)
 EXPORT_SYMBOL_GPL(zynqmp_pm_write_pggs);
 
 /**
- * zynqmp_pm_write_pggs() - PM API for reading persistent global general
+ * zynqmp_pm_read_pggs() - PM API for reading persistent global general
  *			     storage (pggs)
  * @index:	PGGS register index
  * @value:	Register value to be written
@@ -1012,7 +1012,24 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
 EXPORT_SYMBOL_GPL(zynqmp_pm_set_requirement);
 
 /**
- * zynqmp_pm_aes - Access AES hardware to encrypt/decrypt the data using
+ * zynqmp_pm_load_pdi - Load and process PDI
+ * @src:       Source device where PDI is located
+ * @address:   PDI src address
+ *
+ * This function provides support to load PDI from linux
+ *
+ * Return: Returns status, either success or error+reason
+ */
+int zynqmp_pm_load_pdi(const u32 src, const u64 address)
+{
+	return zynqmp_pm_invoke_fn(PM_LOAD_PDI, src,
+				   lower_32_bits(address),
+				   upper_32_bits(address), 0, NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_load_pdi);
+
+/**
+ * zynqmp_pm_aes_engine - Access AES hardware to encrypt/decrypt the data using
  * AES-GCM core.
  * @address:	Address of the AesParams structure.
  * @out:	Returned output value