Author: bz
Date: Sat Jun  1 14:39:12 2019
New Revision: 348493
URL: https://svnweb.freebsd.org/changeset/base/348493

Log:
  Improve error/debug messages in sdhci.c
  
  When starting a command also print the opcode and flags.
  More consitently print flags as hex.
  Use slot_printf rather than printf in one case.
  
  MFC after:            6 weeks
  Reviewed by:          marius, kibab, imp
  Sponsored by:         The FreeBSD Foundation
  Differential Revision:        https://reviews.freebsd.org/D19748

Modified:
  head/sys/dev/sdhci/sdhci.c

Modified: head/sys/dev/sdhci/sdhci.c
==============================================================================
--- head/sys/dev/sdhci/sdhci.c  Sat Jun  1 13:22:56 2019        (r348492)
+++ head/sys/dev/sdhci/sdhci.c  Sat Jun  1 14:39:12 2019        (r348493)
@@ -1762,7 +1762,9 @@ sdhci_start_command(struct sdhci_slot *slot, struct mm
        /* Set data transfer mode. */
        sdhci_set_transfer_mode(slot, cmd->data);
        if (__predict_false(sdhci_debug > 1))
-               slot_printf(slot, "Starting command!\n");
+               slot_printf(slot, "Starting command opcode %#04x flags %#04x\n",
+                   cmd->opcode, flags);
+
        /* Start command. */
        WR2(slot, SDHCI_COMMAND_FLAGS, (cmd->opcode << 8) | (flags & 0xff));
        /* Start timeout callout. */
@@ -1778,7 +1780,7 @@ sdhci_finish_command(struct sdhci_slot *slot)
        uint8_t extra;
 
        if (__predict_false(sdhci_debug > 1))
-               slot_printf(slot, "%s: called, err %d flags %d\n",
+               slot_printf(slot, "%s: called, err %d flags %#04x\n",
                    __func__, slot->curcmd->error, slot->curcmd->flags);
        slot->cmd_done = 1;
        /*
@@ -1819,7 +1821,7 @@ sdhci_finish_command(struct sdhci_slot *slot)
                        slot->curcmd->resp[0] = RD4(slot, SDHCI_RESPONSE);
        }
        if (__predict_false(sdhci_debug > 1))
-               printf("Resp: %02x %02x %02x %02x\n",
+               slot_printf(slot, "Resp: %#04x %#04x %#04x %#04x\n",
                    slot->curcmd->resp[0], slot->curcmd->resp[1],
                    slot->curcmd->resp[2], slot->curcmd->resp[3]);
 
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