Re: [PATCH 4/5] sata_mv new mv_sata_hardreset handler

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Tejun Heo wrote:
Hello,

Mark Lord wrote:
static int mv_prereset(struct ata_link *link, unsigned long deadline)
{
-    mv_stop_edma(link->ap);
+    if (mv_stop_edma(link->ap))
+        link->eh_context.i.action |= ATA_EH_HARDRESET;
+    return ata_std_prereset(link, deadline);
+}

libata#upstream now defaults to hardreset. softreset is used only as followup-SRST in case hardreset can't classify or PMP is supported, so there's no reason to add reset promotion logic anymore.
..

Super.  That completely eliminates mv_prereset, then.

+    /* FIXME:
+     * Except for the outer do-while construct below, this function
+     * is an exact clone of sata_std_hardreset() from libata-core.c.
+     *
+ * Once this driver is stable, we should re-org libata so we can share
+     * more of that code, rather than duplicating so much of it here
+     * and in other drivers.
+     */

After modularize patchsets, sata_link_hardreset() does all the chores needed around hardreset and sata_mv should be able to just build a loop around it.
..

Oh, that stuff is in now?  Good.  I'll rework to use it.

Thanks again!
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