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[src/trunk]: src/sys/dev/ic revert rev 1.73 - while it apparently helped Chri...



details:   https://anonhg.NetBSD.org/src/rev/745d9953bcc2
branches:  trunk
changeset: 838451:745d9953bcc2
user:      jdolecek <jdolecek%NetBSD.org@localhost>
date:      Fri Jan 18 19:16:50 2019 +0000

description:
revert rev 1.73 - while it apparently helped Christos case, it re-broke
the disk detection on several other systems, so need something else

diffstat:

 sys/dev/ic/ahcisata_core.c |  16 ++++++----------
 1 files changed, 6 insertions(+), 10 deletions(-)

diffs (72 lines):

diff -r 04f1147a1220 -r 745d9953bcc2 sys/dev/ic/ahcisata_core.c
--- a/sys/dev/ic/ahcisata_core.c        Fri Jan 18 18:47:16 2019 +0000
+++ b/sys/dev/ic/ahcisata_core.c        Fri Jan 18 19:16:50 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ahcisata_core.c,v 1.73 2019/01/12 15:16:51 jdolecek Exp $      */
+/*     $NetBSD: ahcisata_core.c,v 1.74 2019/01/18 19:16:50 jdolecek Exp $      */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ahcisata_core.c,v 1.73 2019/01/12 15:16:51 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ahcisata_core.c,v 1.74 2019/01/18 19:16:50 jdolecek Exp $");
 
 #include <sys/types.h>
 #include <sys/malloc.h>
@@ -850,8 +850,6 @@
        case TIMEOUT:
                aprint_error("%s port %d: setting WDCTL_RST failed "
                    "for drive %d\n", AHCINAME(sc), chp->ch_channel, drive);
-               if (sigp)
-                       *sigp = 0xffffffff;
                error = EBUSY;
                goto end;
        default:
@@ -877,8 +875,6 @@
        case TIMEOUT:
                aprint_error("%s port %d: clearing WDCTL_RST failed "
                    "for drive %d\n", AHCINAME(sc), chp->ch_channel, drive);
-               if (sigp)
-                       *sigp = 0xffffffff;
                error = EBUSY;
                goto end;
        default:
@@ -900,8 +896,6 @@
        if (i == AHCI_RST_WAIT) {
                aprint_error("%s: BSY never cleared, TD 0x%x\n",
                    AHCINAME(sc), sig);
-               if (sigp)
-                       *sigp = 0xffffffff;
                goto end;
        }
        AHCIDEBUG_PRINT(("%s: BSY took %d ms\n", AHCINAME(sc), i * 10),
@@ -1000,7 +994,6 @@
                return;
        }
 
-again:
        /* bring interface up, accept FISs, power up and spin up device */
        AHCI_WRITE(sc, AHCI_P_CMD(chp->ch_channel),
            AHCI_P_CMD_ICC_AC | AHCI_P_CMD_FRE |
@@ -1011,6 +1004,9 @@
        case SStatus_DET_DEV:
                ata_delay(chp, 500, "ahcidv", AT_WAIT);
 
+               /* Initial value, used in case the soft reset fails */
+               sig = AHCI_READ(sc, AHCI_P_SIG(chp->ch_channel));
+
                if (sc->sc_ahci_cap & AHCI_CAP_SPM) {
                        error = ahci_do_reset_drive(chp, PMP_PORT_CTL, AT_WAIT,
                            &sig, c_slot);
@@ -1023,7 +1019,7 @@
                                PMP_PORT_CTL);
 
                                sc->sc_ahci_cap &= ~AHCI_CAP_SPM;
-                               goto again;
+                               ahci_reset_channel(chp, AT_WAIT);
                        }
                } else {
                        ahci_do_reset_drive(chp, 0, AT_WAIT, &sig, c_slot);



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