Cc: Jeff Garzik <jgarzik@xxxxxxxxx> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> --- against Linus' tree include/linux/ata.h | 11 +++++++++++ 1 file changed, 11 insertions(+) Index: b/include/linux/ata.h =================================================================== --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -800,6 +800,17 @@ static inline int ata_id_is_ssd(const u1 return id[ATA_ID_ROT_SPEED] == 0x01; } +static inline int ata_id_pio_need_iordy(const u16 *id, const u8 pio) +{ + /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */ + if (ata_id_is_cfa(id) && pio > 4) + return 0; + /* PIO3 and higher it is mandatory. */ + if (pio > 2 || ata_id_has_iordy(id)) + return 1; + return 0; +} + static inline int ata_drive_40wire(const u16 *dev_id) { if (ata_id_is_sata(dev_id)) -- 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