diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 0de6432ee0266a49e02342bd2c38587c815a7e27..739ba3f222e851407cd97dcc2ed52ac509e32edc 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1273,12 +1273,6 @@ static int ahci_softreset(struct ata_link *link, unsigned int *class, DPRINTK("ENTER\n"); - if (ata_link_offline(link)) { - DPRINTK("PHY reports no device\n"); - *class = ATA_DEV_NONE; - return 0; - } - /* prepare for SRST (AHCI-1.1 10.4.1) */ rc = ahci_kick_engine(ap, 1); if (rc && rc != -EOPNOTSUPP) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3401248180c9d2bea36a2fa67cab7f5ec4667684..f60988f5e01b823c3bc4c5fd2f1767967b50c42f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3541,6 +3541,10 @@ int ata_std_prereset(struct ata_link *link, unsigned long deadline) "link for reset (errno=%d)\n", rc); } + /* no point in trying softreset on offline link */ + if (ata_link_offline(link)) + ehc->i.action &= ~ATA_EH_SOFTRESET; + return 0; } diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 88cdc4938beaca421d66929ce76f03202f399f1c..ecbb8e90cb8d1afb76f7314956d1bdd5566d764c 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2065,7 +2065,7 @@ static int ata_eh_followup_srst_needed(struct ata_link *link, int rc, int classify, const unsigned int *classes) { - if (link->flags & ATA_LFLAG_NO_SRST) + if ((link->flags & ATA_LFLAG_NO_SRST) || ata_link_offline(link)) return 0; if (rc == -EAGAIN) { if (classify) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 8e6c78ac70f86af21c0e0790e977cfb86ee6499b..15499522e6427392fe80f5fe47f35573d9479d81 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1889,11 +1889,6 @@ int ata_sff_softreset(struct ata_link *link, unsigned int *classes, DPRINTK("ENTER\n"); - if (ata_link_offline(link)) { - classes[0] = ATA_DEV_NONE; - goto out; - } - /* determine if device 0/1 are present */ if (ata_devchk(ap, 0)) devmask |= (1 << 0); @@ -1919,7 +1914,6 @@ int ata_sff_softreset(struct ata_link *link, unsigned int *classes, classes[1] = ata_sff_dev_classify(&link->device[1], devmask & (1 << 1), &err); - out: DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]); return 0; } diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c index d98bd7455e6b58dc4cd64e6d5c29a09cdc80e982..0a5ad98635b1c0005bd3847055b241ff30d80409 100644 --- a/drivers/ata/pata_bf54x.c +++ b/drivers/ata/pata_bf54x.c @@ -1103,11 +1103,6 @@ static int bfin_softreset(struct ata_link *link, unsigned int *classes, unsigned int devmask = 0, err_mask; u8 err; - if (ata_link_offline(link)) { - classes[0] = ATA_DEV_NONE; - goto out; - } - /* determine if device 0/1 are present */ if (bfin_devchk(ap, 0)) devmask |= (1 << 0); @@ -1132,7 +1127,6 @@ static int bfin_softreset(struct ata_link *link, unsigned int *classes, classes[1] = ata_sff_dev_classify(&ap->link.device[1], devmask & (1 << 1), &err); - out: return 0; } diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 7bdea8a4ca7e6c06dc8df2a01a9be5634b53902f..e965b251ca24dd923b421d628f264046bde76462 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -615,11 +615,6 @@ static int scc_softreset(struct ata_link *link, unsigned int *classes, DPRINTK("ENTER\n"); - if (ata_link_offline(link)) { - classes[0] = ATA_DEV_NONE; - goto out; - } - /* determine if device 0/1 are present */ if (scc_devchk(ap, 0)) devmask |= (1 << 0); @@ -645,7 +640,6 @@ static int scc_softreset(struct ata_link *link, unsigned int *classes, classes[1] = ata_sff_dev_classify(&ap->link.device[1], devmask & (1 << 1), &err); - out: DPRINTK("EXIT, classes[0]=%u [1]=%u\n", classes[0], classes[1]); return 0; } diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 9c4e6a6698c2e833ba0017db6955473455455955..fddd346b1d5728c289d1a9a44ae5ab8c2de37412 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -678,6 +678,15 @@ static unsigned int sata_fsl_dev_classify(struct ata_port *ap) return ata_dev_classify(&tf); } +static int sata_fsl_prereset(struct ata_linke *link, unsigned long deadline) +{ + /* FIXME: Never skip softreset, sata_fsl_softreset() is + * combination of soft and hard resets. sata_fsl_softreset() + * needs to be splitted into soft and hard resets. + */ + return 0; +} + static int sata_fsl_softreset(struct ata_link *link, unsigned int *class, unsigned long deadline) { @@ -1157,6 +1166,7 @@ static const struct ata_port_operations sata_fsl_ops = { .freeze = sata_fsl_freeze, .thaw = sata_fsl_thaw, + .prereset = sata_fsl_prereset, .softreset = sata_fsl_softreset, .post_internal_cmd = sata_fsl_post_internal_cmd, diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 20757fa6115d871521aba78ed57bdef74f1daf3b..27a110110077847b65e630cd11896b2e6195f75b 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -663,12 +663,6 @@ static int sil24_softreset(struct ata_link *link, unsigned int *class, DPRINTK("ENTER\n"); - if (ata_link_offline(link)) { - DPRINTK("PHY reports no device\n"); - *class = ATA_DEV_NONE; - goto out; - } - /* put the port into known state */ if (sil24_init_port(ap)) { reason = "port not ready"; @@ -693,7 +687,6 @@ static int sil24_softreset(struct ata_link *link, unsigned int *class, sil24_read_tf(ap, 0, &tf); *class = ata_dev_classify(&tf); - out: DPRINTK("EXIT, class=%u\n", *class); return 0;