Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/tools/gpio/lsgpio.c b/tools/gpio/lsgpio.c
index e1430f5..5a05a45 100644
--- a/tools/gpio/lsgpio.c
+++ b/tools/gpio/lsgpio.c
@@ -25,45 +25,73 @@
 
 struct gpio_flag {
 	char *name;
-	unsigned long mask;
+	unsigned long long mask;
 };
 
 struct gpio_flag flagnames[] = {
 	{
-		.name = "kernel",
-		.mask = GPIOLINE_FLAG_KERNEL,
+		.name = "used",
+		.mask = GPIO_V2_LINE_FLAG_USED,
+	},
+	{
+		.name = "input",
+		.mask = GPIO_V2_LINE_FLAG_INPUT,
 	},
 	{
 		.name = "output",
-		.mask = GPIOLINE_FLAG_IS_OUT,
+		.mask = GPIO_V2_LINE_FLAG_OUTPUT,
 	},
 	{
 		.name = "active-low",
-		.mask = GPIOLINE_FLAG_ACTIVE_LOW,
+		.mask = GPIO_V2_LINE_FLAG_ACTIVE_LOW,
 	},
 	{
 		.name = "open-drain",
-		.mask = GPIOLINE_FLAG_OPEN_DRAIN,
+		.mask = GPIO_V2_LINE_FLAG_OPEN_DRAIN,
 	},
 	{
 		.name = "open-source",
-		.mask = GPIOLINE_FLAG_OPEN_SOURCE,
+		.mask = GPIO_V2_LINE_FLAG_OPEN_SOURCE,
+	},
+	{
+		.name = "pull-up",
+		.mask = GPIO_V2_LINE_FLAG_BIAS_PULL_UP,
+	},
+	{
+		.name = "pull-down",
+		.mask = GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN,
+	},
+	{
+		.name = "bias-disabled",
+		.mask = GPIO_V2_LINE_FLAG_BIAS_DISABLED,
 	},
 };
 
-void print_flags(unsigned long flags)
+static void print_attributes(struct gpio_v2_line_info *info)
 {
 	int i;
-	int printed = 0;
+	const char *field_format = "%s";
 
 	for (i = 0; i < ARRAY_SIZE(flagnames); i++) {
-		if (flags & flagnames[i].mask) {
-			if (printed)
-				fprintf(stdout, " ");
-			fprintf(stdout, "%s", flagnames[i].name);
-			printed++;
+		if (info->flags & flagnames[i].mask) {
+			fprintf(stdout, field_format, flagnames[i].name);
+			field_format = ", %s";
 		}
 	}
+
+	if ((info->flags & GPIO_V2_LINE_FLAG_EDGE_RISING) &&
+	    (info->flags & GPIO_V2_LINE_FLAG_EDGE_FALLING))
+		fprintf(stdout, field_format, "both-edges");
+	else if (info->flags & GPIO_V2_LINE_FLAG_EDGE_RISING)
+		fprintf(stdout, field_format, "rising-edge");
+	else if (info->flags & GPIO_V2_LINE_FLAG_EDGE_FALLING)
+		fprintf(stdout, field_format, "falling-edge");
+
+	for (i = 0; i < info->num_attrs; i++) {
+		if (info->attrs[i].id == GPIO_V2_LINE_ATTR_ID_DEBOUNCE)
+			fprintf(stdout, ", debounce_period=%dusec",
+				info->attrs[0].debounce_period_us);
+	}
 }
 
 int list_device(const char *device_name)
@@ -82,7 +110,7 @@
 	if (fd == -1) {
 		ret = -errno;
 		fprintf(stderr, "Failed to open %s\n", chrdev_name);
-		goto exit_close_error;
+		goto exit_free_name;
 	}
 
 	/* Inspect this GPIO chip */
@@ -97,18 +125,18 @@
 
 	/* Loop over the lines and print info */
 	for (i = 0; i < cinfo.lines; i++) {
-		struct gpioline_info linfo;
+		struct gpio_v2_line_info linfo;
 
 		memset(&linfo, 0, sizeof(linfo));
-		linfo.line_offset = i;
+		linfo.offset = i;
 
-		ret = ioctl(fd, GPIO_GET_LINEINFO_IOCTL, &linfo);
+		ret = ioctl(fd, GPIO_V2_GET_LINEINFO_IOCTL, &linfo);
 		if (ret == -1) {
 			ret = -errno;
 			perror("Failed to issue LINEINFO IOCTL\n");
 			goto exit_close_error;
 		}
-		fprintf(stdout, "\tline %2d:", linfo.line_offset);
+		fprintf(stdout, "\tline %2d:", linfo.offset);
 		if (linfo.name[0])
 			fprintf(stdout, " \"%s\"", linfo.name);
 		else
@@ -119,7 +147,7 @@
 			fprintf(stdout, " unused");
 		if (linfo.flags) {
 			fprintf(stdout, " [");
-			print_flags(linfo.flags);
+			print_attributes(&linfo);
 			fprintf(stdout, "]");
 		}
 		fprintf(stdout, "\n");
@@ -129,6 +157,7 @@
 exit_close_error:
 	if (close(fd) == -1)
 		perror("Failed to close GPIO character device file");
+exit_free_name:
 	free(chrdev_name);
 	return ret;
 }