ide: remove no longer used ide_pio_timings[] (3e153cfb) · Commits · 戴 / test

drivers/ide/ide-lib.c

+0 −17

Original line number	Diff line number	Diff line
		@@ -75,23 +75,6 @@ static u8 ide_rate_filter(ide_drive_t *drive, u8 speed)
		return min(speed, mode);
		}

		/*
		* Standard (generic) timings for PIO modes, from ATA2 specification.
		* These timings are for access to the IDE data port register only.
		* Some drives may specify a mode, while also specifying a different
		* value for cycle_time (from drive identification data).
		*/
		const ide_pio_timings_t ide_pio_timings[6] = {
		{ 70, 165, 600 }, /* PIO Mode 0 */
		{ 50, 125, 383 }, /* PIO Mode 1 */
		{ 30, 100, 240 }, /* PIO Mode 2 */
		{ 30, 80, 180 }, /* PIO Mode 3 with IORDY */
		{ 25, 70, 120 }, /* PIO Mode 4 with IORDY */
		{ 20, 50, 100 } /* PIO Mode 5 with IORDY (nonstandard) */
		};

		EXPORT_SYMBOL_GPL(ide_pio_timings);

		/*
		* Shared data/functions for determining best PIO mode for an IDE drive.
		* Most of this stuff originally lived in cmd640.c, and changes to the

+0 −8

Original line number	Diff line number	Diff line
		@@ -1305,15 +1305,7 @@ void ide_timing_merge(struct ide_timing , struct ide_timing ,
		struct ide_timing *, unsigned int);
		int ide_timing_compute(ide_drive_t , u8, struct ide_timing , int, int);

		typedef struct ide_pio_timings_s {
		int setup_time; /* Address setup (ns) minimum */
		int active_time; /* Active pulse (ns) minimum */
		int cycle_time; /* Cycle time (ns) minimum = */
		/* active + recovery (+ setup for some chips) */
		} ide_pio_timings_t;

		u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
		extern const ide_pio_timings_t ide_pio_timings[6];

		int ide_set_pio_mode(ide_drive_t *, u8);
		int ide_set_dma_mode(ide_drive_t *, u8);