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Commit c094ea07 authored Mar 27, 2009 by Bartlomiej Zolnierkiewicz

ide: add IDE_HFLAG_4DRIVES host flag



Add IDE_HFLAG_4DRIVES host flag and use it instead of ide_4drives
chipset type in ide_init_port().

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

parent 2787cb8a

drivers/ide/ide-4drives.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -23,7 +23,8 @@ static const struct ide_port_ops ide_4drives_port_ops = {

		static const struct ide_port_info ide_4drives_port_info = {
		.port_ops = &ide_4drives_port_ops,
		.host_flags = IDE_HFLAG_SERIALIZE \| IDE_HFLAG_NO_DMA,
		.host_flags = IDE_HFLAG_SERIALIZE \| IDE_HFLAG_NO_DMA \|
		IDE_HFLAG_4DRIVES,
		};

		static int __init ide_4drives_init(void)

drivers/ide/ide-probe.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1381,8 +1381,8 @@ int ide_host_register(struct ide_host host, const struct ide_port_info d,
		if (ide_probe_port(hwif) == 0)
		hwif->present = 1;

		if (hwif->chipset != ide_4drives \|\| !hwif->mate \|\|
		!hwif->mate->present) {
		if ((hwif->host_flags & IDE_HFLAG_4DRIVES) == 0 \|\|
		hwif->mate == NULL \|\| hwif->mate->present == 0) {
		if (ide_register_port(hwif)) {
		ide_disable_port(hwif);
		continue;

include/linux/ide.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -1327,6 +1327,8 @@ enum {
		IDE_HFLAG_SERIALIZE = (1 << 20),
		/* host is DTC2278 */
		IDE_HFLAG_DTC2278 = (1 << 21),
		/* 4 devices on a single set of I/O ports */
		IDE_HFLAG_4DRIVES = (1 << 22),
		/* host is TRM290 */
		IDE_HFLAG_TRM290 = (1 << 23),
		/* use 32-bit I/O ops */