diff options
| -rw-r--r-- | drivers/ata/ahci.c | 2 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 24 | ||||
| -rw-r--r-- | drivers/ata/libata-sff.c | 36 | ||||
| -rw-r--r-- | include/linux/libata.h | 1 |
4 files changed, 42 insertions, 21 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index c5e4501daa7..939dc1d4e50 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1444,7 +1444,7 @@ static void ahci_postreset(struct ata_link *link, unsigned int *class) void __iomem *port_mmio = ahci_port_base(ap); u32 new_tmp, tmp; - ata_sff_postreset(link, class); + ata_std_postreset(link, class); /* Make sure port's ATAPI bit is set appropriately */ new_tmp = tmp = readl(port_mmio + PORT_CMD); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 5f771bb4433..eaead76c944 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -76,7 +76,7 @@ const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 }; const struct ata_port_operations ata_base_port_ops = { .prereset = ata_std_prereset, .hardreset = sata_sff_hardreset, - .postreset = ata_sff_postreset, + .postreset = ata_std_postreset, .error_handler = ata_std_error_handler, }; @@ -3516,7 +3516,7 @@ int sata_link_hardreset(struct ata_link *link, const unsigned long *timing, } /** - * ata_sff_postreset - standard postreset callback + * ata_std_postreset - standard postreset callback * @link: the target ata_link * @classes: classes of attached devices * @@ -3527,9 +3527,8 @@ int sata_link_hardreset(struct ata_link *link, const unsigned long *timing, * LOCKING: * Kernel thread context (may sleep) */ -void ata_sff_postreset(struct ata_link *link, unsigned int *classes) +void ata_std_postreset(struct ata_link *link, unsigned int *classes) { - struct ata_port *ap = link->ap; u32 serror; DPRINTK("ENTER\n"); @@ -3542,22 +3541,6 @@ void ata_sff_postreset(struct ata_link *link, unsigned int *classes) sata_scr_write(link, SCR_ERROR, serror); link->eh_info.serror = 0; - /* is double-select really necessary? */ - if (classes[0] != ATA_DEV_NONE) - ap->ops->sff_dev_select(ap, 1); - if (classes[1] != ATA_DEV_NONE) - ap->ops->sff_dev_select(ap, 0); - - /* bail out if no device is present */ - if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) { - DPRINTK("EXIT, no device\n"); - return; - } - - /* set up device control */ - if (ap->ioaddr.ctl_addr) - iowrite8(ap->ctl, ap->ioaddr.ctl_addr); - DPRINTK("EXIT\n"); } @@ -6096,6 +6079,7 @@ EXPORT_SYMBOL_GPL(sata_link_debounce); EXPORT_SYMBOL_GPL(sata_link_resume); EXPORT_SYMBOL_GPL(ata_std_prereset); EXPORT_SYMBOL_GPL(sata_link_hardreset); +EXPORT_SYMBOL_GPL(ata_std_postreset); EXPORT_SYMBOL_GPL(ata_dev_classify); EXPORT_SYMBOL_GPL(ata_dev_pair); EXPORT_SYMBOL_GPL(ata_port_disable); diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 9234bc04795..e530baccc9c 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -49,6 +49,7 @@ const struct ata_port_operations ata_sff_port_ops = { .thaw = ata_sff_thaw, .prereset = ata_sff_prereset, .softreset = ata_sff_softreset, + .postreset = ata_sff_postreset, .error_handler = ata_sff_error_handler, .post_internal_cmd = ata_sff_post_internal_cmd, @@ -2032,6 +2033,41 @@ int sata_sff_hardreset(struct ata_link *link, unsigned int *class, } /** + * ata_sff_postreset - SFF postreset callback + * @link: the target SFF ata_link + * @classes: classes of attached devices + * + * This function is invoked after a successful reset. It first + * calls ata_std_postreset() and performs SFF specific postreset + * processing. + * + * LOCKING: + * Kernel thread context (may sleep) + */ +void ata_sff_postreset(struct ata_link *link, unsigned int *classes) +{ + struct ata_port *ap = link->ap; + + ata_std_postreset(link, classes); + + /* is double-select really necessary? */ + if (classes[0] != ATA_DEV_NONE) + ap->ops->sff_dev_select(ap, 1); + if (classes[1] != ATA_DEV_NONE) + ap->ops->sff_dev_select(ap, 0); + + /* bail out if no device is present */ + if (classes[0] == ATA_DEV_NONE && classes[1] == ATA_DEV_NONE) { + DPRINTK("EXIT, no device\n"); + return; + } + + /* set up device control */ + if (ap->ioaddr.ctl_addr) + iowrite8(ap->ctl, ap->ioaddr.ctl_addr); +} + +/** * ata_sff_error_handler - Stock error handler for BMDMA controller * @ap: port to handle error for * diff --git a/include/linux/libata.h b/include/linux/libata.h index 595ede55fe4..6e14c27319d 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -831,6 +831,7 @@ extern int sata_link_resume(struct ata_link *link, const unsigned long *params, unsigned long deadline); extern int sata_link_hardreset(struct ata_link *link, const unsigned long *timing, unsigned long deadline); +extern void ata_std_postreset(struct ata_link *link, unsigned int *classes); extern void ata_port_disable(struct ata_port *); extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports); |