drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/hive_isp_css_include/print_support.h
Extension
.h
Size
1016 bytes
Lines
34
Domain
Driver Families
Bucket
drivers/staging
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __PRINT_SUPPORT_H_INCLUDED__
#define __PRINT_SUPPORT_H_INCLUDED__

#include <linux/stdarg.h>

extern int (*sh_css_printf)(const char *fmt, va_list args);
/* depends on host supplied print function in ia_css_init() */
static inline  __printf(1, 2) void ia_css_print(const char *fmt, ...)
{
	va_list ap;

	if (sh_css_printf) {
		va_start(ap, fmt);
		sh_css_printf(fmt, ap);
		va_end(ap);
	}
}

/* Start adding support for bxt tracing functions for poc. From
 * bxt_sandbox/support/print_support.h. */
/* TODO: support these macros in userspace. */
#define PWARN(format, ...) ia_css_print("warning: ", ##__VA_ARGS__)
#define PRINT(format, ...) ia_css_print(format, ##__VA_ARGS__)
#define PERROR(format, ...) ia_css_print("error: " format, ##__VA_ARGS__)
#define PDEBUG(format, ...) ia_css_print("debug: " format, ##__VA_ARGS__)

#endif /* __PRINT_SUPPORT_H_INCLUDED__ */

Annotation

Implementation Notes