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/spi/spidev_test.c b/tools/spi/spidev_test.c
index 3559e76..83844f8 100644
--- a/tools/spi/spidev_test.c
+++ b/tools/spi/spidev_test.c
@@ -13,6 +13,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
 #include <getopt.h>
 #include <fcntl.h>
 #include <time.h>
@@ -26,7 +27,11 @@
 
 static void pabort(const char *s)
 {
-	perror(s);
+	if (errno != 0)
+		perror(s);
+	else
+		printf("%s\n", s);
+
 	abort();
 }
 
@@ -42,7 +47,7 @@
 static int iterations;
 static int interval = 5; /* interval in seconds for showing transfer rate */
 
-uint8_t default_tx[] = {
+static uint8_t default_tx[] = {
 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
 	0x40, 0x00, 0x00, 0x00, 0x00, 0x95,
 	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
@@ -51,8 +56,8 @@
 	0xF0, 0x0D,
 };
 
-uint8_t default_rx[ARRAY_SIZE(default_tx)] = {0, };
-char *input_tx;
+static uint8_t default_rx[ARRAY_SIZE(default_tx)] = {0, };
+static char *input_tx;
 
 static void hex_dump(const void *src, size_t length, size_t line_size,
 		     char *prefix)
@@ -123,18 +128,22 @@
 		.bits_per_word = bits,
 	};
 
-	if (mode & SPI_TX_QUAD)
+	if (mode & SPI_TX_OCTAL)
+		tr.tx_nbits = 8;
+	else if (mode & SPI_TX_QUAD)
 		tr.tx_nbits = 4;
 	else if (mode & SPI_TX_DUAL)
 		tr.tx_nbits = 2;
-	if (mode & SPI_RX_QUAD)
+	if (mode & SPI_RX_OCTAL)
+		tr.rx_nbits = 8;
+	else if (mode & SPI_RX_QUAD)
 		tr.rx_nbits = 4;
 	else if (mode & SPI_RX_DUAL)
 		tr.rx_nbits = 2;
 	if (!(mode & SPI_LOOP)) {
-		if (mode & (SPI_TX_QUAD | SPI_TX_DUAL))
+		if (mode & (SPI_TX_OCTAL | SPI_TX_QUAD | SPI_TX_DUAL))
 			tr.rx_buf = 0;
-		else if (mode & (SPI_RX_QUAD | SPI_RX_DUAL))
+		else if (mode & (SPI_RX_OCTAL | SPI_RX_QUAD | SPI_RX_DUAL))
 			tr.tx_buf = 0;
 	}
 
@@ -182,6 +191,7 @@
 	     "  -R --ready    slave pulls low to pause\n"
 	     "  -2 --dual     dual transfer\n"
 	     "  -4 --quad     quad transfer\n"
+	     "  -8 --octal    octal transfer\n"
 	     "  -S --size     transfer size\n"
 	     "  -I --iter     iterations\n");
 	exit(1);
@@ -208,13 +218,14 @@
 			{ "dual",    0, 0, '2' },
 			{ "verbose", 0, 0, 'v' },
 			{ "quad",    0, 0, '4' },
+			{ "octal",   0, 0, '8' },
 			{ "size",    1, 0, 'S' },
 			{ "iter",    1, 0, 'I' },
 			{ NULL, 0, 0, 0 },
 		};
 		int c;
 
-		c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR24p:vS:I:",
+		c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR248p:vS:I:",
 				lopts, NULL);
 
 		if (c == -1)
@@ -275,6 +286,9 @@
 		case '4':
 			mode |= SPI_TX_QUAD;
 			break;
+		case '8':
+			mode |= SPI_TX_OCTAL;
+			break;
 		case 'S':
 			transfer_size = atoi(optarg);
 			break;
@@ -283,7 +297,6 @@
 			break;
 		default:
 			print_usage(argv[0]);
-			break;
 		}
 	}
 	if (mode & SPI_LOOP) {
@@ -291,6 +304,8 @@
 			mode |= SPI_RX_DUAL;
 		if (mode & SPI_TX_QUAD)
 			mode |= SPI_RX_QUAD;
+		if (mode & SPI_TX_OCTAL)
+			mode |= SPI_RX_OCTAL;
 	}
 }
 
@@ -405,6 +420,9 @@
 
 	parse_opts(argc, argv);
 
+	if (input_tx && input_file)
+		pabort("only one of -p and --input may be selected");
+
 	fd = open(device, O_RDWR);
 	if (fd < 0)
 		pabort("can't open device");
@@ -443,11 +461,8 @@
 		pabort("can't get max speed hz");
 
 	printf("spi mode: 0x%x\n", mode);
-	printf("bits per word: %d\n", bits);
-	printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000);
-
-	if (input_tx && input_file)
-		pabort("only one of -p and --input may be selected");
+	printf("bits per word: %u\n", bits);
+	printf("max speed: %u Hz (%u kHz)\n", speed, speed/1000);
 
 	if (input_tx)
 		transfer_escaped_string(fd, input_tx);