Merge tag 'char-misc-5.8-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 large set of char/misc driver patches for 5.8-rc1

  Included in here are:

   - habanalabs driver updates, loads

   - mhi bus driver updates

   - extcon driver updates

   - clk driver updates (approved by the clock maintainer)

   - firmware driver updates

   - fpga driver updates

   - gnss driver updates

   - coresight driver updates

   - interconnect driver updates

   - parport driver updates (it's still alive!)

   - nvmem driver updates

   - soundwire driver updates

   - visorbus driver updates

   - w1 driver updates

   - various misc driver updates

  In short, loads of different driver subsystem updates along with the
  drivers as well.

  All have been in linux-next for a while with no reported issues"

* tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits)
  habanalabs: correctly cast u64 to void*
  habanalabs: initialize variable to default value
  extcon: arizona: Fix runtime PM imbalance on error
  extcon: max14577: Add proper dt-compatible strings
  extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
  extcon: remove redundant assignment to variable idx
  w1: omap-hdq: print dev_err if irq flags are not cleared
  w1: omap-hdq: fix interrupt handling which did show spurious timeouts
  w1: omap-hdq: fix return value to be -1 if there is a timeout
  w1: omap-hdq: cleanup to add missing newline for some dev_dbg
  /dev/mem: Revoke mappings when a driver claims the region
  misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
  misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
  misc: xilinx-sdfec: improve get_user_pages_fast() error handling
  nvmem: qfprom: remove incorrect write support
  habanalabs: handle MMU cache invalidation timeout
  habanalabs: don't allow hard reset with open processes
  habanalabs: GAUDI does not support soft-reset
  habanalabs: add print for soft reset due to event
  habanalabs: improve MMU cache invalidation code
  ...

2 files changed, 7 insertions, 36 deletions

diff --git a/drivers/soc/xilinx/zynqmp_pm_domains.c b/drivers/soc/xilinx/zynqmp_pm_domains.c
index 23d90cb12ba9..226d343f0a6a 100644
--- a/drivers/soc/xilinx/zynqmp_pm_domains.c
+++ b/drivers/soc/xilinx/zynqmp_pm_domains.c
@@ -23,8 +23,6 @@
 /* Flag stating if PM nodes mapped to the PM domain has been requested */
 #define ZYNQMP_PM_DOMAIN_REQUESTED	BIT(0)
 
-static const struct zynqmp_eemi_ops *eemi_ops;
-
 static int min_capability;
 
 /**
@@ -76,11 +74,8 @@ static int zynqmp_gpd_power_on(struct generic_pm_domain *domain)
 	int ret;
 	struct zynqmp_pm_domain *pd;
 
-	if (!eemi_ops->set_requirement)
-		return -ENXIO;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
-	ret = eemi_ops->set_requirement(pd->node_id,
+	ret = zynqmp_pm_set_requirement(pd->node_id,
 					ZYNQMP_PM_CAPABILITY_ACCESS,
 					ZYNQMP_PM_MAX_QOS,
 					ZYNQMP_PM_REQUEST_ACK_BLOCKING);
@@ -111,9 +106,6 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain)
 	u32 capabilities = min_capability;
 	bool may_wakeup;
 
-	if (!eemi_ops->set_requirement)
-		return -ENXIO;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
 
 	/* If domain is already released there is nothing to be done */
@@ -134,7 +126,7 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain)
 		}
 	}
 
-	ret = eemi_ops->set_requirement(pd->node_id, capabilities, 0,
+	ret = zynqmp_pm_set_requirement(pd->node_id, capabilities, 0,
 					ZYNQMP_PM_REQUEST_ACK_NO);
 	/**
 	 * If powering down of any node inside this domain fails,
@@ -163,16 +155,13 @@ static int zynqmp_gpd_attach_dev(struct generic_pm_domain *domain,
 	int ret;
 	struct zynqmp_pm_domain *pd;
 
-	if (!eemi_ops->request_node)
-		return -ENXIO;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
 
 	/* If this is not the first device to attach there is nothing to do */
 	if (domain->device_count)
 		return 0;
 
-	ret = eemi_ops->request_node(pd->node_id, 0, 0,
+	ret = zynqmp_pm_request_node(pd->node_id, 0, 0,
 				     ZYNQMP_PM_REQUEST_ACK_BLOCKING);
 	/* If requesting a node fails print and return the error */
 	if (ret) {
@@ -199,16 +188,13 @@ static void zynqmp_gpd_detach_dev(struct generic_pm_domain *domain,
 	int ret;
 	struct zynqmp_pm_domain *pd;
 
-	if (!eemi_ops->release_node)
-		return;
-
 	pd = container_of(domain, struct zynqmp_pm_domain, gpd);
 
 	/* If this is not the last device to detach there is nothing to do */
 	if (domain->device_count)
 		return;
 
-	ret = eemi_ops->release_node(pd->node_id);
+	ret = zynqmp_pm_release_node(pd->node_id);
 	/* If releasing a node fails print the error and return */
 	if (ret) {
 		pr_err("%s() %s release failed for node %d: %d\n",
@@ -266,10 +252,6 @@ static int zynqmp_gpd_probe(struct platform_device *pdev)
 	struct zynqmp_pm_domain *pd;
 	struct device *dev = &pdev->dev;
 
-	eemi_ops = zynqmp_pm_get_eemi_ops();
-	if (IS_ERR(eemi_ops))
-		return PTR_ERR(eemi_ops);
-
 	pd = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*pd), GFP_KERNEL);
 	if (!pd)
 		return -ENOMEM;
diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c
index 09227895d216..31ff49fcd078 100644
--- a/drivers/soc/xilinx/zynqmp_power.c
+++ b/drivers/soc/xilinx/zynqmp_power.c
@@ -30,7 +30,6 @@ struct zynqmp_pm_work_struct {
 
 static struct zynqmp_pm_work_struct *zynqmp_pm_init_suspend_work;
 static struct mbox_chan *rx_chan;
-static const struct zynqmp_eemi_ops *eemi_ops;
 
 enum pm_suspend_mode {
 	PM_SUSPEND_MODE_FIRST = 0,
@@ -155,9 +154,6 @@ static ssize_t suspend_mode_store(struct device *dev,
 {
 	int md, ret = -EINVAL;
 
-	if (!eemi_ops->set_suspend_mode)
-		return ret;
-
 	for (md = PM_SUSPEND_MODE_FIRST; md < ARRAY_SIZE(suspend_modes); md++)
 		if (suspend_modes[md] &&
 		    sysfs_streq(suspend_modes[md], buf)) {
@@ -166,7 +162,7 @@ static ssize_t suspend_mode_store(struct device *dev,
 		}
 
 	if (!ret && md != suspend_mode) {
-		ret = eemi_ops->set_suspend_mode(md);
+		ret = zynqmp_pm_set_suspend_mode(md);
 		if (likely(!ret))
 			suspend_mode = md;
 	}
@@ -182,15 +178,8 @@ static int zynqmp_pm_probe(struct platform_device *pdev)
 	u32 pm_api_version;
 	struct mbox_client *client;
 
-	eemi_ops = zynqmp_pm_get_eemi_ops();
-	if (IS_ERR(eemi_ops))
-		return PTR_ERR(eemi_ops);
-
-	if (!eemi_ops->get_api_version || !eemi_ops->init_finalize)
-		return -ENXIO;
-
-	eemi_ops->init_finalize();
-	eemi_ops->get_api_version(&pm_api_version);
+	zynqmp_pm_init_finalize();
+	zynqmp_pm_get_api_version(&pm_api_version);
 
 	/* Check PM API version number */
 	if (pm_api_version < ZYNQMP_PM_VERSION)