[sw] Format include guards in the SW tree

Signed-off-by: Miguel Young de la Sota <mcyoung@google.com>
diff --git a/sw/device/benchmarks/coremark/top_earlgrey/core_portme.h b/sw/device/benchmarks/coremark/top_earlgrey/core_portme.h
index a26734c..34c4103 100644
--- a/sw/device/benchmarks/coremark/top_earlgrey/core_portme.h
+++ b/sw/device/benchmarks/coremark/top_earlgrey/core_portme.h
@@ -9,8 +9,8 @@
    different platforms
 */
 
-#ifndef CORE_PORTME_H
-#define CORE_PORTME_H
+#ifndef OPENTITAN_SW_DEVICE_BENCHMARKS_COREMARK_TOP_EARLGREY_CORE_PORTME_H_
+#define OPENTITAN_SW_DEVICE_BENCHMARKS_COREMARK_TOP_EARLGREY_CORE_PORTME_H_
 
 #include <stddef.h>
 
@@ -203,4 +203,4 @@
 
 int ee_printf(const char *fmt, ...);
 
-#endif /* CORE_PORTME_H */
+#endif  // OPENTITAN_SW_DEVICE_BENCHMARKS_COREMARK_TOP_EARLGREY_CORE_PORTME_H_
diff --git a/sw/device/boot_rom/bootstrap.h b/sw/device/boot_rom/bootstrap.h
index ace2692..997a5cc 100644
--- a/sw/device/boot_rom/bootstrap.h
+++ b/sw/device/boot_rom/bootstrap.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_BOOTSTRAP_H__
-#define _F_BOOTSTRAP_H__
+#ifndef OPENTITAN_SW_DEVICE_BOOT_ROM_BOOTSTRAP_H_
+#define OPENTITAN_SW_DEVICE_BOOT_ROM_BOOTSTRAP_H_
 
 #include "sw/device/boot_rom/bootstrap_msgs.h"
 
@@ -21,4 +21,4 @@
  */
 int bootstrap(void);
 
-#endif  // _F_BOOTSTRAP_H__
+#endif  // OPENTITAN_SW_DEVICE_BOOT_ROM_BOOTSTRAP_H_
diff --git a/sw/device/boot_rom/bootstrap_msgs.h b/sw/device/boot_rom/bootstrap_msgs.h
index 7ce2e5e..80010eb 100644
--- a/sw/device/boot_rom/bootstrap_msgs.h
+++ b/sw/device/boot_rom/bootstrap_msgs.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_BOOTSTRAP_MSGS_H__
-#define _F_BOOTSTRAP_MSGS_H__
+#ifndef OPENTITAN_SW_DEVICE_BOOT_ROM_BOOTSTRAP_MSGS_H_
+#define OPENTITAN_SW_DEVICE_BOOT_ROM_BOOTSTRAP_MSGS_H_
 #include <stdint.h>
 
 #define RAW_BUFFER_SIZE 1024
@@ -35,4 +35,4 @@
 #define E_BS_NOTEMPTY 11
 #define E_BS_WRITE 12
 
-#endif  // _F_BOOTSTRAP_MSGS_H__
+#endif  // OPENTITAN_SW_DEVICE_BOOT_ROM_BOOTSTRAP_MSGS_H_
diff --git a/sw/device/lib/aes.h b/sw/device/lib/aes.h
index dea3209..9c10f0d 100644
--- a/sw/device/lib/aes.h
+++ b/sw/device/lib/aes.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_LIB_AES_H__
-#define _F_LIB_AES_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_AES_H_
+#define OPENTITAN_SW_DEVICE_LIB_AES_H_
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -109,4 +109,4 @@
  */
 void aes_clear(void);
 
-#endif  // _F_LIB_AES_H__
+#endif  // OPENTITAN_SW_DEVICE_LIB_AES_H_
diff --git a/sw/device/lib/base/memory.h b/sw/device/lib/base/memory.h
index 060523c..4dfcd9f 100644
--- a/sw/device/lib/base/memory.h
+++ b/sw/device/lib/base/memory.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef SW_DEVICE_LIB_BASE_MEMORY_H_
-#define SW_DEVICE_LIB_BASE_MEMORY_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_BASE_MEMORY_H_
+#define OPENTITAN_SW_DEVICE_LIB_BASE_MEMORY_H_
 
 #include <stdalign.h>
 #include <stdbool.h>
@@ -94,4 +94,4 @@
  */
 void *memset(void *dest, int value, size_t len);
 
-#endif  // SW_DEVICE_LIB_BASE_MEMORY_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_BASE_MEMORY_H_
diff --git a/sw/device/lib/base/mmio.h b/sw/device/lib/base/mmio.h
index dc61136..2fcae5b 100644
--- a/sw/device/lib/base/mmio.h
+++ b/sw/device/lib/base/mmio.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef SW_DEVICE_LIB_BASE_MMIO_H_
-#define SW_DEVICE_LIB_BASE_MMIO_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_BASE_MMIO_H_
+#define OPENTITAN_SW_DEVICE_LIB_BASE_MMIO_H_
 
 #include <stdbool.h>
 #include <stddef.h>
@@ -226,4 +226,4 @@
   mmio_region_nonatomic_set_mask32(base, offset, 0x1, bit_index);
 }
 
-#endif  // SW_DEVICE_LIB_BASE_MMIO_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_BASE_MMIO_H_
diff --git a/sw/device/lib/base/stdasm.h b/sw/device/lib/base/stdasm.h
index 3f259e8..8794d82 100644
--- a/sw/device/lib/base/stdasm.h
+++ b/sw/device/lib/base/stdasm.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef SW_DEVICE_LIB_BASE_STDASM_H_
-#define SW_DEVICE_LIB_BASE_STDASM_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_BASE_STDASM_H_
+#define OPENTITAN_SW_DEVICE_LIB_BASE_STDASM_H_
 
 /**
  * This header simply provides the |asm| keyword, in analogy with the ISO C
@@ -12,4 +12,4 @@
 
 #define asm __asm__
 
-#endif  // SW_DEVICE_LIB_BASE_STDASM_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_BASE_STDASM_H_
diff --git a/sw/device/lib/common.h b/sw/device/lib/common.h
index 41d3b67..75f2e30 100644
--- a/sw/device/lib/common.h
+++ b/sw/device/lib/common.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _COMMON_H_
-#define _COMMON_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_COMMON_H_
+#define OPENTITAN_SW_DEVICE_LIB_COMMON_H_
 
 #ifdef SIMULATION
 static const unsigned long UART_BAUD_RATE = 9600;
@@ -27,4 +27,4 @@
 
 #define ARRAYSIZE(x) (sizeof(x) / sizeof(x[0]))
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_COMMON_H_
diff --git a/sw/device/lib/flash_ctrl.h b/sw/device/lib/flash_ctrl.h
index d0ba0d9..c94f405 100644
--- a/sw/device/lib/flash_ctrl.h
+++ b/sw/device/lib/flash_ctrl.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_FLASH_CTRL_H__
-#define _F_FLASH_CTRL_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_FLASH_CTRL_H_
+#define OPENTITAN_SW_DEVICE_LIB_FLASH_CTRL_H_
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -97,4 +97,4 @@
 /** Read scratch register */
 uint32_t flash_read_scratch_reg(void);
 
-#endif  // _F_FLASH_CTRL_H__
+#endif  // OPENTITAN_SW_DEVICE_LIB_FLASH_CTRL_H_
diff --git a/sw/device/lib/gpio.h b/sw/device/lib/gpio.h
index 850817c..b2ea274 100644
--- a/sw/device/lib/gpio.h
+++ b/sw/device/lib/gpio.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _GPIO_H_
-#define _GPIO_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_GPIO_H_
+#define OPENTITAN_SW_DEVICE_LIB_GPIO_H_
 
 #include <stdint.h>
 
@@ -22,4 +22,4 @@
 void gpio_write_all(uint32_t val);
 uint32_t gpio_read(void);
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_GPIO_H_
diff --git a/sw/device/lib/handler.h b/sw/device/lib/handler.h
index 50dfadf..014b4d3 100644
--- a/sw/device/lib/handler.h
+++ b/sw/device/lib/handler.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _HANDLER_H_
-#define _HANDLER_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_HANDLER_H_
+#define OPENTITAN_SW_DEVICE_LIB_HANDLER_H_
 
 typedef enum exc_id {
   kInstMisa = 0,
@@ -126,4 +126,4 @@
  */
 void handler_ecall(void);
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_HANDLER_H_
diff --git a/sw/device/lib/hmac.h b/sw/device/lib/hmac.h
index e683977..9c3f22a 100644
--- a/sw/device/lib/hmac.h
+++ b/sw/device/lib/hmac.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_LIB_HMAC_H__
-#define _F_LIB_HMAC_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_HMAC_H_
+#define OPENTITAN_SW_DEVICE_LIB_HMAC_H_
 
 #include <stddef.h>
 #include <stdint.h>
@@ -49,4 +49,4 @@
  */
 void hmac_done(uint32_t *digest);
 
-#endif  // _F_LIB_HMAC_H__
+#endif  // OPENTITAN_SW_DEVICE_LIB_HMAC_H_
diff --git a/sw/device/lib/hw_sha256.h b/sw/device/lib/hw_sha256.h
index aa066e2..e28f2d5 100644
--- a/sw/device/lib/hw_sha256.h
+++ b/sw/device/lib/hw_sha256.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_LIB_SHA256_H__
-#define _F_LIB_SHA256_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_HW_SHA256_H_
+#define OPENTITAN_SW_DEVICE_LIB_HW_SHA256_H_
 
 #include <stddef.h>
 
@@ -47,4 +47,4 @@
  */
 const uint8_t *hw_SHA256_hash(const void *data, size_t len, uint8_t *digest);
 
-#endif  // _F_LIB_SHA256_H__
+#endif  // OPENTITAN_SW_DEVICE_LIB_HW_SHA256_H_
diff --git a/sw/device/lib/irq.h b/sw/device/lib/irq.h
index 00f311e..8654f93 100644
--- a/sw/device/lib/irq.h
+++ b/sw/device/lib/irq.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _IRQ_H_
-#define _IRQ_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_IRQ_H_
+#define OPENTITAN_SW_DEVICE_LIB_IRQ_H_
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -35,4 +35,4 @@
  */
 void irq_software_ctrl(bool en);
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_IRQ_H_
diff --git a/sw/device/lib/log.h b/sw/device/lib/log.h
index 7dae2ff..ebe762f 100644
--- a/sw/device/lib/log.h
+++ b/sw/device/lib/log.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _LOG_H_
-#define _LOG_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_LOG_H_
+#define OPENTITAN_SW_DEVICE_LIB_LOG_H_
 
 #ifdef DV_SIM
 #include "sw/device/lib/log_uart/log_impl.h"
@@ -214,4 +214,4 @@
 #define LOG_FATAL(...) PRINT_LOG(LOG_HEADER(LOG_TYPE_FATAL, ""), __VA_ARGS__)
 #endif
 
-#endif  // _LOG_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_LOG_H_
diff --git a/sw/device/lib/log_uart/log_impl.h b/sw/device/lib/log_uart/log_impl.h
index 40e7a1e..f43f4ca 100644
--- a/sw/device/lib/log_uart/log_impl.h
+++ b/sw/device/lib/log_uart/log_impl.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _LOG_IMPL_H
-#define _LOG_IMPL_H
+#ifndef OPENTITAN_SW_DEVICE_LIB_LOG_UART_LOG_IMPL_H_
+#define OPENTITAN_SW_DEVICE_LIB_LOG_UART_LOG_IMPL_H_
 
 #include "sw/device/lib/print_log.h"
 #include "sw/device/lib/uart.h"
@@ -54,4 +54,4 @@
 #define PRINT_LOG(log_header, ...) \
   print_log(&uart_send_char, log_header __VA_ARGS__);
 
-#endif  // _LOG_IMPL_H
+#endif  // OPENTITAN_SW_DEVICE_LIB_LOG_UART_LOG_IMPL_H_
diff --git a/sw/device/lib/pinmux.h b/sw/device/lib/pinmux.h
index b523a65..14f2ea0 100644
--- a/sw/device/lib/pinmux.h
+++ b/sw/device/lib/pinmux.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _PINMUX_H_
-#define _PINMUX_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_PINMUX_H_
+#define OPENTITAN_SW_DEVICE_LIB_PINMUX_H_
 
 #include <stdint.h>
 
@@ -14,4 +14,4 @@
  */
 void pinmux_init(void);
 
-#endif  // _PINMUX_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_PINMUX_H_
diff --git a/sw/device/lib/print_log.h b/sw/device/lib/print_log.h
index e43e012..4e1c6bd 100644
--- a/sw/device/lib/print_log.h
+++ b/sw/device/lib/print_log.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _MSG_PRINT_H_
-#define _MSG_PRINT_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_PRINT_LOG_H_
+#define OPENTITAN_SW_DEVICE_LIB_PRINT_LOG_H_
 
 // Pointer to a function that prints a character.
 typedef void (*print_char_func)(char);
@@ -35,4 +35,4 @@
  */
 void print_log(print_char_func print_char, const char *fmt, ...);
 
-#endif  // _MSG_PRINT_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_PRINT_LOG_H_
diff --git a/sw/device/lib/runtime/hart.h b/sw/device/lib/runtime/hart.h
index 2290076..9eaf4b5 100644
--- a/sw/device/lib/runtime/hart.h
+++ b/sw/device/lib/runtime/hart.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef SW_DEVICE_LIB_RUNTIME_HART_H_
-#define SW_DEVICE_LIB_RUNTIME_HART_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_RUNTIME_HART_H_
+#define OPENTITAN_SW_DEVICE_LIB_RUNTIME_HART_H_
 
 #include <stddef.h>
 #include <stdnoreturn.h>
@@ -37,4 +37,4 @@
  */
 noreturn void abort(void);
 
-#endif  // SW_DEVICE_LIB_RUNTIME_HART_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_RUNTIME_HART_H_
diff --git a/sw/device/lib/runtime/ibex.h b/sw/device/lib/runtime/ibex.h
index a31d609..c8cbe3f 100644
--- a/sw/device/lib/runtime/ibex.h
+++ b/sw/device/lib/runtime/ibex.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef SW_DEVICE_LIB_RUNTIME_IBEX_H_
-#define SW_DEVICE_LIB_RUNTIME_IBEX_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_RUNTIME_IBEX_H_
+#define OPENTITAN_SW_DEVICE_LIB_RUNTIME_IBEX_H_
 
 #include <stddef.h>
 
@@ -38,4 +38,4 @@
       : "0"(cycles));
 }
 
-#endif  // SW_DEVICE_LIB_RUNTIME_IBEX_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_RUNTIME_IBEX_H_
diff --git a/sw/device/lib/rv_timer.h b/sw/device/lib/rv_timer.h
index aee5d81..60bbc67 100644
--- a/sw/device/lib/rv_timer.h
+++ b/sw/device/lib/rv_timer.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_LIB_RV_TIMER_H__
-#define _F_LIB_RV_TIMER_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_RV_TIMER_H_
+#define OPENTITAN_SW_DEVICE_LIB_RV_TIMER_H_
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -49,4 +49,4 @@
  */
 void rv_timer_clr_all_intrs(void);
 
-#endif  // _F_LIB_RV_TIMER_H__
+#endif  // OPENTITAN_SW_DEVICE_LIB_RV_TIMER_H_
diff --git a/sw/device/lib/spi_device.h b/sw/device/lib/spi_device.h
index 2bd12c9..39a7572 100644
--- a/sw/device/lib/spi_device.h
+++ b/sw/device/lib/spi_device.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _SPI_DEVICE_H_
-#define _SPI_DEVICE_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_SPI_DEVICE_H_
+#define OPENTITAN_SW_DEVICE_LIB_SPI_DEVICE_H_
 
 #include <stdint.h>
 
@@ -35,4 +35,4 @@
  */
 uint32_t spid_bytes_available(void);
 
-#endif /* _SPI_DEVICE_H_ */
+#endif  // OPENTITAN_SW_DEVICE_LIB_SPI_DEVICE_H_
diff --git a/sw/device/lib/uart.h b/sw/device/lib/uart.h
index aa616f6..7a6fe3f 100644
--- a/sw/device/lib/uart.h
+++ b/sw/device/lib/uart.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _UART_H_
-#define _UART_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_UART_H_
+#define OPENTITAN_SW_DEVICE_LIB_UART_H_
 
 #include <stdint.h>
 
@@ -28,4 +28,4 @@
  */
 int uart_rcv_char(char *c);
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_UART_H_
diff --git a/sw/device/lib/usb_consts.h b/sw/device/lib/usb_consts.h
index 5e2ebb7..460393f 100644
--- a/sw/device/lib/usb_consts.h
+++ b/sw/device/lib/usb_consts.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _USB_CONSTS_H_
-#define _USB_CONSTS_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_USB_CONSTS_H_
+#define OPENTITAN_SW_DEVICE_LIB_USB_CONSTS_H_
 
 // SETUP requests
 typedef enum usb_setup_req {
@@ -51,4 +51,4 @@
   kUsbStatusHalted = 1        // Endpoint status request
 } usb_status_t;
 
-#endif  // _USB_CONSTS_H_
+#endif  // OPENTITAN_SW_DEVICE_LIB_USB_CONSTS_H_
diff --git a/sw/device/lib/usb_controlep.h b/sw/device/lib/usb_controlep.h
index edaefa8..288e789 100644
--- a/sw/device/lib/usb_controlep.h
+++ b/sw/device/lib/usb_controlep.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef __USB_CONTROLEP_H__
-#define __USB_CONTROLEP_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_USB_CONTROLEP_H_
+#define OPENTITAN_SW_DEVICE_LIB_USB_CONTROLEP_H_
 
 #include <stddef.h>
 #include <stdint.h>
@@ -94,4 +94,4 @@
 
 // KEEP BLANK LINE ABOVE, it is in the macro!
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_USB_CONTROLEP_H_
diff --git a/sw/device/lib/usb_simpleserial.h b/sw/device/lib/usb_simpleserial.h
index daad16b..59f4238 100644
--- a/sw/device/lib/usb_simpleserial.h
+++ b/sw/device/lib/usb_simpleserial.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef __USB_SIMPLESERIAL_H__
-#define __USB_SIMPLESERIAL_H__
+#ifndef OPENTITAN_SW_DEVICE_LIB_USB_SIMPLESERIAL_H_
+#define OPENTITAN_SW_DEVICE_LIB_USB_SIMPLESERIAL_H_
 
 #include <stddef.h>
 #include <stdint.h>
@@ -43,4 +43,4 @@
 void usb_simpleserial_init(usb_ss_ctx_t *ssctx, usbdev_ctx_t *ctx, int ep,
                            void (*got_byte)(uint8_t));
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_USB_SIMPLESERIAL_H_
diff --git a/sw/device/lib/usbdev.h b/sw/device/lib/usbdev.h
index 5e6789a..6e14770 100644
--- a/sw/device/lib/usbdev.h
+++ b/sw/device/lib/usbdev.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _USBDEV_H_
-#define _USBDEV_H_
+#ifndef OPENTITAN_SW_DEVICE_LIB_USBDEV_H_
+#define OPENTITAN_SW_DEVICE_LIB_USBDEV_H_
 
 #include <stddef.h>
 #include <stdint.h>
@@ -230,4 +230,4 @@
 #define TRC_I(i, b) uart_send_uint(i, b)
 #define TRC_C(c) uart_send_char(c)
 
-#endif
+#endif  // OPENTITAN_SW_DEVICE_LIB_USBDEV_H_
diff --git a/sw/host/spiflash/ftdi_spi_interface.h b/sw/host/spiflash/ftdi_spi_interface.h
index 01e9f1d..329c97b 100644
--- a/sw/host/spiflash/ftdi_spi_interface.h
+++ b/sw/host/spiflash/ftdi_spi_interface.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_SPIFLASH_FTDI_SPI_INTERFACE_H__
-#define _F_SPIFLASH_FTDI_SPI_INTERFACE_H__
+#ifndef OPENTITAN_SW_HOST_SPIFLASH_FTDI_SPI_INTERFACE_H_
+#define OPENTITAN_SW_HOST_SPIFLASH_FTDI_SPI_INTERFACE_H_
 
 #include <memory>
 #include <string>
@@ -40,4 +40,4 @@
 }  // namespace spiflash
 }  // namespace opentitan
 
-#endif  // _F_SPIFLASH_FTDI_SPI_INTERFACE_H__
+#endif  // OPENTITAN_SW_HOST_SPIFLASH_FTDI_SPI_INTERFACE_H_
diff --git a/sw/host/spiflash/spi_interface.h b/sw/host/spiflash/spi_interface.h
index 660b9b0..feb48f6 100644
--- a/sw/host/spiflash/spi_interface.h
+++ b/sw/host/spiflash/spi_interface.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_SPIFLASH_SPI_INTERFACE_H__
-#define _F_SPIFLASH_SPI_INTERFACE_H__
+#ifndef OPENTITAN_SW_HOST_SPIFLASH_SPI_INTERFACE_H_
+#define OPENTITAN_SW_HOST_SPIFLASH_SPI_INTERFACE_H_
 
 #include <cstdint>
 #include <cstring>
@@ -33,4 +33,4 @@
 }  // namespace spiflash
 }  // namespace opentitan
 
-#endif  // _F_SPIFLASH_SPI_INTERFACE_H__
+#endif  // OPENTITAN_SW_HOST_SPIFLASH_SPI_INTERFACE_H_
diff --git a/sw/host/spiflash/updater.h b/sw/host/spiflash/updater.h
index b74978f..d6d0cf2 100644
--- a/sw/host/spiflash/updater.h
+++ b/sw/host/spiflash/updater.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_SPIFLASH_UPDATER_H__
-#define _F_SPIFLASH_UPDATER_H__
+#ifndef OPENTITAN_SW_HOST_SPIFLASH_UPDATER_H_
+#define OPENTITAN_SW_HOST_SPIFLASH_UPDATER_H_
 
 #include <openssl/sha.h>
 
@@ -78,4 +78,4 @@
 }  // namespace spiflash
 }  // namespace opentitan
 
-#endif
+#endif  // OPENTITAN_SW_HOST_SPIFLASH_UPDATER_H_
diff --git a/sw/host/spiflash/verilator_spi_interface.h b/sw/host/spiflash/verilator_spi_interface.h
index 5f8e67d..099755f 100644
--- a/sw/host/spiflash/verilator_spi_interface.h
+++ b/sw/host/spiflash/verilator_spi_interface.h
@@ -2,8 +2,8 @@
 // Licensed under the Apache License, Version 2.0, see LICENSE for details.
 // SPDX-License-Identifier: Apache-2.0
 
-#ifndef _F_SPIFLASH_VERILATOR_SPI_INTERFACE_H__
-#define _F_SPIFLASH_VERILATOR_SPI_INTERFACE_H__
+#ifndef OPENTITAN_SW_HOST_SPIFLASH_VERILATOR_SPI_INTERFACE_H_
+#define OPENTITAN_SW_HOST_SPIFLASH_VERILATOR_SPI_INTERFACE_H_
 
 #include <string>
 
@@ -41,4 +41,4 @@
 }  // namespace spiflash
 }  // namespace opentitan
 
-#endif  // _F_SPIFLASH_VERILATOR_SPI_INTERFACE_H__
+#endif  // OPENTITAN_SW_HOST_SPIFLASH_VERILATOR_SPI_INTERFACE_H_