Xtensa updates for v6.14

- a few one-liner cleanups
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmeW4z0THGpjbXZia2Jj
 QGdtYWlsLmNvbQAKCRBR+cyR+D+gRLP4D/9m1pVmG6DdOUhp57MwBL8yPeq2FcPJ
 +XNAHrYpJgwvLnnd5aa6v/rj+WNqy0Fct4A1yzCFtrWKsPwxfg20OBy5jn6ud0p9
 lYHSeAIrv0M1A6E4Iaade0ctxu6ylTI2DgdnBpkR4aJWqS6MMZCy3+rLGQQQ8lWz
 pqJfm1Zt9z6pijSBh/tTReTnyMBtYHvtSY3r25PtCP1lTHsOS8P6Zb1YdC7ttNVy
 sztEWJqOeCyEdmhPoOQE7pbenYqQNs5u1k1aIz9b9jwnLuF7hYGW5J1rfa0kXWIg
 OcCBbEDOc95mykeRjceysORJUhTnVBrfwBWbNwibGK48eAQWR0Rgm4+0vBU7TgQF
 I8k2KSr0bX5ffyhrEcQn96YneKLk6JMG4obVmFiQGXTOHO9aE25aJUYKlzSQRKDg
 CoUJ8OvMLRqFstiUO3Qz1WyPraVDj3SaG+lLAVFzi/ZDP/tRx+oNKn6YI+TmLl9h
 G+cK7b2ZWphwnfxbKmAHzjzhN47lKfDsAPrkxkDiJMLxjkD08D7UfADizDMLXizn
 5YBt3zyAfi2iMaY3zvHKkla+J5zR8j0gP7j/QqhMalausUaenOD5GaRaxsJEH7Tn
 bnG/7jPvcY/4VN5JQfLRXDPXMgCYAkKfxkyZDT+6391PZ0Swaq2lMNSuU114vke6
 J/1c3zwUzrHCYw==
 =dFxW
 -----END PGP SIGNATURE-----

Merge tag 'xtensa-20250126' of https://github.com/jcmvbkbc/linux-xtensa

Pull xtensa updates from Max Filippov:

 - a few one-liner cleanups

* tag 'xtensa-20250126' of https://github.com/jcmvbkbc/linux-xtensa:
  xtensa/simdisk: Use str_write_read() helper in simdisk_transfer()
  xtensa: Remove zero-length alignment array
  xtensa: annotate dtb_start variable as static __initdata

arch/xtensa/include/asm/processor.h

@@ -160,9 +160,7 @@ struct thread_struct {
 	struct perf_event *ptrace_bp[XCHAL_NUM_IBREAK];
 	struct perf_event *ptrace_wp[XCHAL_NUM_DBREAK];
 #endif
-	/* Make structure 16 bytes aligned. */
-	int align[0] __attribute__ ((aligned(16)));
-};
+} __aligned(16);
 
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.

arch/xtensa/kernel/setup.c

@@ -55,7 +55,7 @@ extern int initrd_below_start_ok;
 #endif
 
 #ifdef CONFIG_USE_OF
-void *dtb_start = __dtb_start;
+static void *dtb_start __initdata = __dtb_start;
 #endif
 
 extern unsigned long loops_per_jiffy;

arch/xtensa/platforms/iss/simdisk.c

@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/string.h>
+#include <linux/string_choices.h>
 #include <linux/blkdev.h>
 #include <linux/bio.h>
 #include <linux/proc_fs.h>
@@ -75,7 +76,7 @@ static void simdisk_transfer(struct simdisk *dev, unsigned long sector,
 
 	if (offset > dev->size || dev->size - offset < nbytes) {
 		pr_notice("Beyond-end %s (%ld %ld)\n",
-				write ? "write" : "read", offset, nbytes);
+				str_write_read(write), offset, nbytes);
 		return;
 	}