Merge tag 'tegra-for-6.4-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into soc/drivers

soc/tegra: Changes for v6.4-rc1

This contains minor fixes and cleanups. Note that one of the patches
here includes ARM firmware changes, but I picked that up after checking
with Sudeep and Rob because it didn't seem worth splitting it up any
further.

* tag 'tegra-for-6.4-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  firmware: Use of_property_present() for testing DT property presence
  firmware: tegra: bpmp: Fix error paths in debugfs

Link: https://lore.kernel.org/r/20230406124804.970394-3-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: arndb

drivers/firmware/arm_scmi/optee.c

@@ -403,7 +403,7 @@ static int setup_static_shmem(struct device *dev, struct scmi_chan_info *cinfo,
 static int setup_shmem(struct device *dev, struct scmi_chan_info *cinfo,
 		       struct scmi_optee_channel *channel)
 {
-	if (of_find_property(cinfo->dev->of_node, "shmem", NULL))
+	if (of_property_present(cinfo->dev->of_node, "shmem"))
 		return setup_static_shmem(dev, cinfo, channel);
 	else
 		return setup_dynamic_shmem(dev, channel);

drivers/firmware/tegra/bpmp-debugfs.c

@@ -193,7 +193,7 @@ static int mrq_debug_read(struct tegra_bpmp *bpmp, const char *name,
 		},
 	};
 	u32 fd = 0, len = 0;
-	int remaining, err;
+	int remaining, err, close_err;
 
 	mutex_lock(&bpmp_debug_lock);
 	err = mrq_debug_open(bpmp, name, &fd, &len, 0);
@@ -231,7 +231,9 @@ static int mrq_debug_read(struct tegra_bpmp *bpmp, const char *name,
 	*nbytes = len;
 
 close:
-	err = mrq_debug_close(bpmp, fd);
+	close_err = mrq_debug_close(bpmp, fd);
+	if (!err)
+		err = close_err;
 out:
 	mutex_unlock(&bpmp_debug_lock);
 	return err;
@@ -319,7 +321,7 @@ static int bpmp_debug_show(struct seq_file *m, void *p)
 		},
 	};
 	u32 fd = 0, len = 0;
-	int remaining, err;
+	int remaining, err, close_err;
 
 	filename = get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf));
 	if (!filename)
@@ -353,7 +355,9 @@ static int bpmp_debug_show(struct seq_file *m, void *p)
 	}
 
 close:
-	err = mrq_debug_close(bpmp, fd);
+	close_err = mrq_debug_close(bpmp, fd);
+	if (!err)
+		err = close_err;
 out:
 	mutex_unlock(&bpmp_debug_lock);
 	return err;

drivers/firmware/tegra/bpmp.c

@@ -764,19 +764,19 @@ static int tegra_bpmp_probe(struct platform_device *pdev)
 	if (err < 0)
 		goto free_mrq;
 
-	if (of_find_property(pdev->dev.of_node, "#clock-cells", NULL)) {
+	if (of_property_present(pdev->dev.of_node, "#clock-cells")) {
 		err = tegra_bpmp_init_clocks(bpmp);
 		if (err < 0)
 			goto free_mrq;
 	}
 
-	if (of_find_property(pdev->dev.of_node, "#reset-cells", NULL)) {
+	if (of_property_present(pdev->dev.of_node, "#reset-cells")) {
 		err = tegra_bpmp_init_resets(bpmp);
 		if (err < 0)
 			goto free_mrq;
 	}
 
-	if (of_find_property(pdev->dev.of_node, "#power-domain-cells", NULL)) {
+	if (of_property_present(pdev->dev.of_node, "#power-domain-cells")) {
 		err = tegra_bpmp_init_powergates(bpmp);
 		if (err < 0)
 			goto free_mrq;