From 203c75b8245c5386044721d9c5eda5c6b71b3d14 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 7 Apr 2008 22:47:18 +0900 Subject: libata: separate out ata_std_postreset() from ata_sff_postreset() Separate out generic ATA portion from ata_sff_postreset() into ata_std_postreset() and implement ata_sff_postreset() using the std version. ata_base_port_ops now has ata_std_postreset() for its postreset and ata_sff_port_ops overrides it to ata_sff_postreset(). This change affects pdc_adma, ahci, sata_fsl and sata_sil24. pdc_adma now specifies postreset to ata_sff_postreset() explicitly. sata_fsl and sata_sil24 now use ata_std_postreset() which makes no difference to them. ahci now calls ata_std_postreset() from its own postreset method, which causes no behavior difference. Signed-off-by: Tejun Heo --- drivers/ata/libata-core.c | 24 ++++-------------------- 1 file changed, 4 insertions(+), 20 deletions(-) (limited to 'drivers/ata/libata-core.c') 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); -- cgit v1.2.3