[Bug 121396] [ata] 7.0 fails on mcp55 sata controller [regression]

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From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 22 May 2023 16:29:32 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=121396

--- Comment #7 from Henryk Paluch <hpaluch@seznam.cz> ---
Created attachment 242332
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=242332&action=edit
Experimental fix for MCP55 SATA data corruption in DMA modes

This patch seems to fix data corruption problem on MCP55 SATA controller with
any HDD in any DMA mode.

This *experimental* fix just applies DMA quirks from ata-siliconimage.c

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