From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> Subject: [PATCH] ide: fix for ide_timing quantisation errors Based on commit 4f701d1 for libata. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> --- drivers/ide/ide-timings.c | 6 ++++++ 1 file changed, 6 insertions(+) Index: b/drivers/ide/ide-timings.c =================================================================== --- a/drivers/ide/ide-timings.c +++ b/drivers/ide/ide-timings.c @@ -206,6 +206,12 @@ int ide_timing_compute(ide_drive_t *driv t->recover = t->cycle - t->active; } + /* In a few cases quantisation may produce enough errors to + leave t->cycle too low for the sum of active and recovery + if so we must correct this */ + if (t->active + t->recover > t->cycle) + t->cycle = t->active + t->recover; + return 0; } EXPORT_SYMBOL_GPL(ide_timing_compute); -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
