Standardise header guards across codebase

All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this project is now to use the full name of the file in
capital letters followed by 'H'. For example, for a file called
"uart_example.h", the header guard is UART_EXAMPLE_H.

The exceptions are files that are imported from other projects:

- CryptoCell driver
- dt-bindings folders
- zlib headers

Change-Id: I50561bf6c88b491ec440d0c8385c74650f3c106e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/rockchip/rk3399/drivers/dp/cdn_dp.h b/plat/rockchip/rk3399/drivers/dp/cdn_dp.h
index 3b9a108..c5cbae2 100644
--- a/plat/rockchip/rk3399/drivers/dp/cdn_dp.h
+++ b/plat/rockchip/rk3399/drivers/dp/cdn_dp.h
@@ -4,8 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SOC_ROCKCHIP_RK3399_DP_H__
-#define __SOC_ROCKCHIP_RK3399_DP_H__
+#ifndef CDN_DP_H
+#define CDN_DP_H
+
 #include <plat_private.h>
 
 enum {
@@ -44,4 +45,5 @@
 			   uint64_t x4,
 			   uint64_t x5,
 			   uint64_t x6);
-#endif
+
+#endif /* CDN_DP_H */
diff --git a/plat/rockchip/rk3399/drivers/dram/dfs.h b/plat/rockchip/rk3399/drivers/dram/dfs.h
index e847b2e..172b2a7 100644
--- a/plat/rockchip/rk3399/drivers/dram/dfs.h
+++ b/plat/rockchip/rk3399/drivers/dram/dfs.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SOC_ROCKCHIP_RK3399_DFS_H__
-#define __SOC_ROCKCHIP_RK3399_DFS_H__
+#ifndef DFS_H
+#define DFS_H
 
 #include <stdint.h>
 
@@ -47,4 +47,4 @@
 void ddr_prepare_for_sys_suspend(void);
 void ddr_prepare_for_sys_resume(void);
 
-#endif
+#endif /* DFS_H */
diff --git a/plat/rockchip/rk3399/drivers/dram/dram.h b/plat/rockchip/rk3399/drivers/dram/dram.h
index 0780fc3..ded511e 100644
--- a/plat/rockchip/rk3399/drivers/dram/dram.h
+++ b/plat/rockchip/rk3399/drivers/dram/dram.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SOC_ROCKCHIP_RK3399_DRAM_H__
-#define __SOC_ROCKCHIP_RK3399_DRAM_H__
+#ifndef DRAM_H
+#define DRAM_H
 
 #include <dram_regs.h>
 #include <plat_private.h>
@@ -152,4 +152,4 @@
 
 void dram_init(void);
 
-#endif
+#endif /* DRAM_H */
diff --git a/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h b/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h
index 30d3aea..9cda22c 100644
--- a/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h
+++ b/plat/rockchip/rk3399/drivers/dram/dram_spec_timing.h
@@ -4,8 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef _DRAM_SPEC_TIMING_HEAD_
-#define _DRAM_SPEC_TIMING_HEAD_
+#ifndef DRAM_SPEC_TIMING_H
+#define DRAM_SPEC_TIMING_H
+
 #include <stdint.h>
 
 enum ddr3_speed_rate {
@@ -503,4 +504,4 @@
 void dram_get_parameter(struct timing_related_config *timing_config,
 			struct dram_timing_t *pdram_timing);
 
-#endif /* _DRAM_SPEC_TIMING_HEAD_ */
+#endif /* DRAM_SPEC_TIMING_H */
diff --git a/plat/rockchip/rk3399/drivers/dram/suspend.h b/plat/rockchip/rk3399/drivers/dram/suspend.h
index a8a8641..b99a926 100644
--- a/plat/rockchip/rk3399/drivers/dram/suspend.h
+++ b/plat/rockchip/rk3399/drivers/dram/suspend.h
@@ -4,8 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SOC_ROCKCHIP_RK3399_SUSPEND_H__
-#define __SOC_ROCKCHIP_RK3399_SUSPEND_H__
+#ifndef SUSPEND_H
+#define SUSPEND_H
+
 #include <dram.h>
 
 #define KHz (1000)
@@ -22,4 +23,4 @@
 void dmc_suspend(void);
 __pmusramfunc void dmc_resume(void);
 
-#endif /* __DRAM_H__ */
+#endif /* SUSPEND_H */
diff --git a/plat/rockchip/rk3399/drivers/m0/include/addressmap.h b/plat/rockchip/rk3399/drivers/m0/include/addressmap.h
index 5635e79..d431437 100644
--- a/plat/rockchip/rk3399/drivers/m0/include/addressmap.h
+++ b/plat/rockchip/rk3399/drivers/m0/include/addressmap.h
@@ -4,12 +4,12 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __ROCKCHIP_RK3399_M0_INCLUDE_SHARED_ADDRESSMAP_H__
-#define __ROCKCHIP_RK3399_M0_INCLUDE_SHARED_ADDRESSMAP_H__
+#ifndef ADDRESSMAP_H
+#define ADDRESSMAP_H
 
 #include <addressmap_shared.h>
 
 /* Registers base address for M0 */
 #define MMIO_BASE			0x40000000
 
-#endif /* __ROCKCHIP_RK3399_M0_INCLUDE_SHARED_ADDRESSMAP_H__ */
+#endif /* ADDRESSMAP_H */
diff --git a/plat/rockchip/rk3399/drivers/m0/include/rk3399_mcu.h b/plat/rockchip/rk3399/drivers/m0/include/rk3399_mcu.h
index 176af3a..2e90694 100644
--- a/plat/rockchip/rk3399/drivers/m0/include/rk3399_mcu.h
+++ b/plat/rockchip/rk3399/drivers/m0/include/rk3399_mcu.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __RK3399_MCU_H__
-#define __RK3399_MCU_H__
+#ifndef RK3399_MCU_H
+#define RK3399_MCU_H
 
 #include <addressmap.h>
 
@@ -29,4 +29,4 @@
 int stopwatch_expired(void);
 void stopwatch_reset(void);
 
-#endif /* __RK3399_MCU_H__ */
+#endif /* RK3399_MCU_H */
diff --git a/plat/rockchip/rk3399/drivers/pmu/m0_ctl.h b/plat/rockchip/rk3399/drivers/pmu/m0_ctl.h
index cb323c4..7542e22 100644
--- a/plat/rockchip/rk3399/drivers/pmu/m0_ctl.h
+++ b/plat/rockchip/rk3399/drivers/pmu/m0_ctl.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __M0_CTL_H__
-#define __M0_CTL_H__
+#ifndef M0_CTL_H
+#define M0_CTL_H
 
 #include <m0_param.h>
 
@@ -25,4 +25,5 @@
 extern void m0_stop(void);
 extern void m0_wait_done(void);
 extern void m0_configure_execute_addr(uintptr_t addr);
-#endif /* __M0_CTL_H__ */
+
+#endif /* M0_CTL_H */
diff --git a/plat/rockchip/rk3399/drivers/pmu/pmu.h b/plat/rockchip/rk3399/drivers/pmu/pmu.h
index 0265dde..e1ba410 100644
--- a/plat/rockchip/rk3399/drivers/pmu/pmu.h
+++ b/plat/rockchip/rk3399/drivers/pmu/pmu.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PMU_H__
-#define __PMU_H__
+#ifndef PMU_H
+#define PMU_H
 
 #include <pmu_bits.h>
 #include <pmu_regs.h>
@@ -137,4 +137,4 @@
 
 extern void sram_func_set_ddrctl_pll(uint32_t pll_src);
 
-#endif /* __PMU_H__ */
+#endif /* PMU_H */
diff --git a/plat/rockchip/rk3399/drivers/pwm/pwm.h b/plat/rockchip/rk3399/drivers/pwm/pwm.h
index 57cfd1b..d665392 100644
--- a/plat/rockchip/rk3399/drivers/pwm/pwm.h
+++ b/plat/rockchip/rk3399/drivers/pwm/pwm.h
@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PWM_H__
-#define __PWM_H__
+#ifndef PWM_H
+#define PWM_H
 
 void disable_pwms(void);
 void enable_pwms(void);
 
-#endif
+#endif /* PWM_H */
diff --git a/plat/rockchip/rk3399/drivers/secure/secure.h b/plat/rockchip/rk3399/drivers/secure/secure.h
index 8e80f2b..e31c999 100644
--- a/plat/rockchip/rk3399/drivers/secure/secure.h
+++ b/plat/rockchip/rk3399/drivers/secure/secure.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLAT_ROCKCHIP_RK3399_DRIVER_SECURE_H__
-#define __PLAT_ROCKCHIP_RK3399_DRIVER_SECURE_H__
+#ifndef SECURE_H
+#define SECURE_H
 
 /**************************************************
  * sgrf reg, offset
@@ -102,4 +102,4 @@
 void secure_sgrf_ddr_rgn_init(void);
 __pmusramfunc void sram_secure_timer_init(void);
 
-#endif /* __PLAT_ROCKCHIP_RK3399_DRIVER_SECURE_H__ */
+#endif /* SECURE_H */
diff --git a/plat/rockchip/rk3399/drivers/soc/soc.h b/plat/rockchip/rk3399/drivers/soc/soc.h
index bc41933..1f7ec07 100644
--- a/plat/rockchip/rk3399/drivers/soc/soc.h
+++ b/plat/rockchip/rk3399/drivers/soc/soc.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __SOC_H__
-#define __SOC_H__
+#ifndef SOC_H
+#define SOC_H
 
 #include <utils.h>
 
@@ -281,4 +281,4 @@
 void pmu_sgrf_rst_hld(void);
 __pmusramfunc void pmu_sgrf_rst_hld_release(void);
 __pmusramfunc void restore_pmu_rsthold(void);
-#endif /* __SOC_H__ */
+#endif /* SOC_H */
diff --git a/plat/rockchip/rk3399/include/addressmap.h b/plat/rockchip/rk3399/include/addressmap.h
index 023050c..dc1c703 100644
--- a/plat/rockchip/rk3399/include/addressmap.h
+++ b/plat/rockchip/rk3399/include/addressmap.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __ROCKCHIP_RK3399_INCLUDE_ADDRESSMAP_H__
-#define __ROCKCHIP_RK3399_INCLUDE_ADDRESSMAP_H__
+#ifndef ADDRESSMAP_H
+#define ADDRESSMAP_H
 
 #include <addressmap_shared.h>
 
@@ -16,4 +16,4 @@
 #define DEV_RNG0_BASE		MMIO_BASE
 #define DEV_RNG0_SIZE		SIZE_M(125)
 
-#endif /* __ROCKCHIP_RK3399_INCLUDE_ADDRESSMAP_H__ */
+#endif /* ADDRESSMAP_H */
diff --git a/plat/rockchip/rk3399/include/plat.ld.S b/plat/rockchip/rk3399/include/plat.ld.S
index 528c150..5045ba8 100644
--- a/plat/rockchip/rk3399/include/plat.ld.S
+++ b/plat/rockchip/rk3399/include/plat.ld.S
@@ -3,8 +3,8 @@
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
-#ifndef __ROCKCHIP_PLAT_LD_S__
-#define __ROCKCHIP_PLAT_LD_S__
+#ifndef ROCKCHIP_PLAT_LD_S
+#define ROCKCHIP_PLAT_LD_S
 
 #include <xlat_tables_defs.h>
 
@@ -95,4 +95,4 @@
 	} >PMUSRAM
 }
 
-#endif /* __ROCKCHIP_PLAT_LD_S__ */
+#endif /* ROCKCHIP_PLAT_LD_S */
diff --git a/plat/rockchip/rk3399/include/plat_sip_calls.h b/plat/rockchip/rk3399/include/plat_sip_calls.h
index ead187e..66c4868 100644
--- a/plat/rockchip/rk3399/include/plat_sip_calls.h
+++ b/plat/rockchip/rk3399/include/plat_sip_calls.h
@@ -4,9 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLAT_SIP_CALLS_H__
-#define __PLAT_SIP_CALLS_H__
+#ifndef PLAT_SIP_CALLS_H
+#define PLAT_SIP_CALLS_H
 
 #define RK_PLAT_SIP_NUM_CALLS	0
 
-#endif /* __PLAT_SIP_CALLS_H__ */
+#endif /* PLAT_SIP_CALLS_H */
diff --git a/plat/rockchip/rk3399/include/shared/addressmap_shared.h b/plat/rockchip/rk3399/include/shared/addressmap_shared.h
index dc5c8d5..84a31b2 100644
--- a/plat/rockchip/rk3399/include/shared/addressmap_shared.h
+++ b/plat/rockchip/rk3399/include/shared/addressmap_shared.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __ROCKCHIP_RK3399_INCLUDE_SHARED_ADDRESSMAP_SHARED_H__
-#define __ROCKCHIP_RK3399_INCLUDE_SHARED_ADDRESSMAP_SHARED_H__
+#ifndef ADDRESSMAP_SHARED_H
+#define ADDRESSMAP_SHARED_H
 
 #define SIZE_K(n)		((n) * 1024)
 #define SIZE_M(n)		((n) * 1024 * 1024)
@@ -101,4 +101,4 @@
 
 #define MSCH_BASE(ch)		(SERVICE_NOC_1_BASE + (ch) * 0x8000)
 
-#endif /* __ROCKCHIP_RK3399_INCLUDE_SHARED_ADDRESSMAP_SHARED_H__ */
+#endif /* ADDRESSMAP_SHARED_H */
diff --git a/plat/rockchip/rk3399/include/shared/bl31_param.h b/plat/rockchip/rk3399/include/shared/bl31_param.h
index 85a0f4a..e7f2226 100644
--- a/plat/rockchip/rk3399/include/shared/bl31_param.h
+++ b/plat/rockchip/rk3399/include/shared/bl31_param.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLAT_ROCKCHIP_RK3399_INCLUDE_SHARED_BL31_PARAM_H__
-#define __PLAT_ROCKCHIP_RK3399_INCLUDE_SHARED_BL31_PARAM_H__
+#ifndef BL31_PARAM_H
+#define BL31_PARAM_H
 
 /*******************************************************************************
  * Platform memory map related constants
@@ -18,9 +18,9 @@
  * BL31 specific defines.
  ******************************************************************************/
 /*
- * Put BL3-1 at the top of the Trusted RAM
+ * Put BL31 at the top of the Trusted RAM
  */
 #define BL31_BASE		(TZRAM_BASE + 0x1000)
 #define BL31_LIMIT		(TZRAM_BASE + TZRAM_SIZE)
 
-#endif /*__PLAT_ROCKCHIP_RK3399_INCLUDE_SHARED_BL31_PARAM_H__*/
+#endif /* BL31_PARAM_H */
diff --git a/plat/rockchip/rk3399/include/shared/dram_regs.h b/plat/rockchip/rk3399/include/shared/dram_regs.h
index afe16bb..4d4ebf6 100644
--- a/plat/rockchip/rk3399/include/shared/dram_regs.h
+++ b/plat/rockchip/rk3399/include/shared/dram_regs.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __DRAM_REGS_H__
-#define __DRAM_REGS_H__
+#ifndef DRAM_REGS_H
+#define DRAM_REGS_H
 
 #define CTL_REG_NUM		332
 #define PHY_REG_NUM		959
@@ -97,4 +97,4 @@
 #define DDR_STRIDE(n)		mmio_write_32(SGRF_BASE + SGRF_SOC_CON3_7(4), \
 					      (0x1f<<(10+16))|((n)<<10))
 
-#endif /* __DRAM_REGS_H__ */
+#endif /* DRAM_REGS_H */
diff --git a/plat/rockchip/rk3399/include/shared/m0_param.h b/plat/rockchip/rk3399/include/shared/m0_param.h
index 044e797..a5311c9 100644
--- a/plat/rockchip/rk3399/include/shared/m0_param.h
+++ b/plat/rockchip/rk3399/include/shared/m0_param.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __M0_PARAM_H__
-#define __M0_PARAM_H__
+#ifndef M0_PARAM_H
+#define M0_PARAM_H
 
 #define PARAM_ADDR		0xc0
 
@@ -22,4 +22,4 @@
 #define PARAM_M0_SIZE		0x28
 #define M0_DONE_FLAG		0xf59ec39a
 
-#endif /*__M0_PARAM_H__*/
+#endif /* M0_PARAM_H */
diff --git a/plat/rockchip/rk3399/include/shared/misc_regs.h b/plat/rockchip/rk3399/include/shared/misc_regs.h
index 02e001b..0160453 100644
--- a/plat/rockchip/rk3399/include/shared/misc_regs.h
+++ b/plat/rockchip/rk3399/include/shared/misc_regs.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __ROCKCHIP_RK3399_INCLUDE_SHARED_MISC_REGS_H__
-#define __ROCKCHIP_RK3399_INCLUDE_SHARED_MISC_REGS_H__
+#ifndef MISC_REGS_H
+#define MISC_REGS_H
 
 /* CRU */
 #define CRU_DPLL_CON0		0x40
@@ -24,4 +24,4 @@
 /* PMU CRU */
 #define PMU_CRU_GATEDIS_CON0	0x130
 
-#endif /* __ROCKCHIP_RK3399_INCLUDE_SHARED_MISC_REGS_H__ */
+#endif /* MISC_REGS_H */
diff --git a/plat/rockchip/rk3399/include/shared/pmu_bits.h b/plat/rockchip/rk3399/include/shared/pmu_bits.h
index 7c25761..2968d5b 100644
--- a/plat/rockchip/rk3399/include/shared/pmu_bits.h
+++ b/plat/rockchip/rk3399/include/shared/pmu_bits.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PMU_BITS_H__
-#define __PMU_BITS_H__
+#ifndef PMU_BITS_H
+#define PMU_BITS_H
 
 enum pmu_powerdomain_id {
 	PD_CPUL0 = 0,
@@ -694,4 +694,4 @@
 	STANDBY_BY_WFIL2_CLUSTER_B,
 };
 
-#endif /* __PMU_BITS_H__ */
+#endif /* PMU_BITS_H */
diff --git a/plat/rockchip/rk3399/include/shared/pmu_regs.h b/plat/rockchip/rk3399/include/shared/pmu_regs.h
index 41c6a24..43e785e 100644
--- a/plat/rockchip/rk3399/include/shared/pmu_regs.h
+++ b/plat/rockchip/rk3399/include/shared/pmu_regs.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PMU_REGS_H__
-#define __PMU_REGS_H__
+#ifndef PMU_REGS_H
+#define PMU_REGS_H
 
 #define PMU_WKUP_CFG0		0x00
 #define PMU_WKUP_CFG1		0x04
@@ -145,4 +145,4 @@
 #define GRF_GPIO4C_P		0xe068
 #define GRF_GPIO4D_P		0xe06C
 
-#endif /* __PMU_REGS_H__ */
+#endif /* PMU_REGS_H */
diff --git a/plat/rockchip/rk3399/rk3399_def.h b/plat/rockchip/rk3399/rk3399_def.h
index 32e439e..ba83242 100644
--- a/plat/rockchip/rk3399/rk3399_def.h
+++ b/plat/rockchip/rk3399/rk3399_def.h
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef __PLAT_DEF_H__
-#define __PLAT_DEF_H__
+#ifndef RK3399_DEF_H
+#define RK3399_DEF_H
 
 #include <addressmap.h>
 
@@ -62,4 +62,4 @@
 	INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY,	\
 		       INTR_GROUP0, GIC_INTR_CFG_LEVEL)
 
-#endif /* __PLAT_DEF_H__ */
+#endif /* RK3399_DEF_H */