63 	FILE *filp;  member
75 static int readval(FILE *filp)  in readval()  argument
80 	rewind(filp);  in readval()
81 	scanned = fscanf(filp, "%d", &val);  in readval()
92 		freqs[i] = readval(sysfs_files[i].filp);  in read_freqs()
127 static int do_writeval(FILE *filp, int val, int lerrno, bool readback_check)  in do_writeval()  argument
131 	orig = readval(filp);  in do_writeval()
132 	rewind(filp);  in do_writeval()
133 	ret = fprintf(filp, "%d", val);  in do_writeval()
139 			igt_assert_eq(readval(filp), orig);  in do_writeval()
145 			igt_assert_eq(readval(filp), val);  in do_writeval()
150 #define writeval(filp, val) do_writeval(filp, val, 0, true)  argument
151 #define writeval_inval(filp, val) do_writeval(filp, val, EINVAL, true)  argument
152 #define writeval_nocheck(filp, val) do_writeval(filp, val, 0, false)  argument
348 	writeval_nocheck(sysfs_files[idx].filp, target);  in get_hw_rounded_freq()
351 	writeval_nocheck(sysfs_files[idx].filp, old_freq);  in get_hw_rounded_freq()
376 	writeval(sysfs_files[MIN].filp, origfreqs[RPn]);  in min_max_config()
377 	writeval(sysfs_files[MAX].filp, origfreqs[RP0]);  in min_max_config()
383 	writeval(sysfs_files[MIN].filp, fmid);  in min_max_config()
389 	writeval(sysfs_files[MIN].filp, origfreqs[RP0]);  in min_max_config()
395 	writeval_inval(sysfs_files[MIN].filp, origfreqs[RP0] + 1000);  in min_max_config()
399 	writeval_inval(sysfs_files[MAX].filp, origfreqs[RPn]);  in min_max_config()
403 	writeval(sysfs_files[MIN].filp, fmid);  in min_max_config()
409 	writeval(sysfs_files[MIN].filp, origfreqs[RPn]);  in min_max_config()
415 	writeval_inval(sysfs_files[MIN].filp, 0);  in min_max_config()
419 	writeval(sysfs_files[MAX].filp, fmid);  in min_max_config()
423 	writeval(sysfs_files[MAX].filp, origfreqs[RPn]);  in min_max_config()
427 	writeval_inval(sysfs_files[MAX].filp, 0);  in min_max_config()
431 	writeval_inval(sysfs_files[MIN].filp, origfreqs[RP0]);  in min_max_config()
435 	writeval(sysfs_files[MAX].filp, fmid);  in min_max_config()
439 	writeval(sysfs_files[MAX].filp, origfreqs[RP0]);  in min_max_config()
443 	writeval_inval(sysfs_files[MAX].filp, origfreqs[RP0] + 1000);  in min_max_config()
446 	writeval(sysfs_files[MIN].filp, origfreqs[MIN]);  in min_max_config()
447 	writeval(sysfs_files[MAX].filp, origfreqs[MAX]);  in min_max_config()
588 	writeval(sysfs_files[MAX].filp, fmid);  in waitboost()
596 	writeval(sysfs_files[MAX].filp, origfreqs[MAX]);  in waitboost()
613 	if (origfreqs[MIN] > readval(sysfs_files[MAX].filp)) {  in pm_rps_exit_handler()
614 		writeval(sysfs_files[MAX].filp, origfreqs[MAX]);  in pm_rps_exit_handler()
615 		writeval(sysfs_files[MIN].filp, origfreqs[MIN]);  in pm_rps_exit_handler()
617 		writeval(sysfs_files[MIN].filp, origfreqs[MIN]);  in pm_rps_exit_handler()
618 		writeval(sysfs_files[MAX].filp, origfreqs[MAX]);  in pm_rps_exit_handler()
650 			sysfs_file->filp = fopen(path, sysfs_file->mode);
651 			igt_require(sysfs_file->filp);
652 			setbuf(sysfs_file->filp, NULL);
654 			val = readval(sysfs_file->filp);