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include: sbi_platform: Combine reboot and shutdown into one callback

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We can achieve shutdown, cold reboot, and warm reboot using just
one sbi_platform callback so we combine system_reboot() and
system_shutdown() callbacks into one system_reset() callback.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-04-24 12:26:22 +05:30
committed by Anup Patel
parent 1bb00ab3ae
commit a9eac67ad0
15 changed files with 46 additions and 138 deletions
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37
include/sbi/sbi_platform.h
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@@ -146,10 +146,11 @@ struct sbi_platform_operations {
*/
int (*hart_stop)(void);
/** Reboot the platform */
int (*system_reboot)(u32 type);
/** Shutdown or poweroff the platform */
int (*system_shutdown)(u32 type);
/** Reset the platform */
#define SBI_PLATFORM_RESET_SHUTDOWN 0
#define SBI_PLATFORM_RESET_COLD 1
#define SBI_PLATFORM_RESET_WARM 2
int (*system_reset)(u32 reset_type);
/** platform specific SBI extension implementation probe function */
int (*vendor_ext_check)(long extid);
@@ -686,34 +687,18 @@ static inline void sbi_platform_timer_exit(const struct sbi_platform *plat)
}
/**
* Reboot the platform
* Reset the platform
*
* @param plat pointer to struct sbi_platform
* @param type type of reboot
* @param reset_type type of reset
*
* @return 0 on success and negative error code on failure
*/
static inline int sbi_platform_system_reboot(const struct sbi_platform *plat,
u32 type)
static inline int sbi_platform_system_reset(const struct sbi_platform *plat,
u32 reset_type)
{
if (plat && sbi_platform_ops(plat)->system_reboot)
return sbi_platform_ops(plat)->system_reboot(type);
return 0;
}
/**
* Shutdown or poweroff the platform
*
* @param plat pointer to struct sbi_platform
* @param type type of shutdown or poweroff
*
* @return 0 on success and negative error code on failure
*/
static inline int sbi_platform_system_shutdown(const struct sbi_platform *plat,
u32 type)
{
if (plat && sbi_platform_ops(plat)->system_shutdown)
return sbi_platform_ops(plat)->system_shutdown(type);
if (plat && sbi_platform_ops(plat)->system_reset)
return sbi_platform_ops(plat)->system_reset(reset_type);
return 0;
}

4
include/sbi/sbi_system.h
View File

@@ -12,8 +12,6 @@
#include <sbi/sbi_types.h>
void __noreturn sbi_system_reboot(u32 type);
void __noreturn sbi_system_shutdown(u32 type);
void __noreturn sbi_system_reset(u32 platform_reset_type);
#endif

2
include/sbi_utils/sys/htif.h
View File

@@ -14,6 +14,6 @@ void htif_putc(char ch);
int htif_getc(void);
int htif_system_down(u32 type);
int htif_system_reset(u32 type);
#endif