linux-kernel - Re: [PATCH] esp_scsi: Clear Transfer Count registers before PIO transfers

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Message-ID: <CACz-3rhGZ7SiYMOWv8ER7u8pzx=pxq9k4sQjJQqh4Qrn+74C2A@mail.gmail.com>
Date:   Sun, 17 Nov 2019 07:29:43 +0100
From:   Kars de Jong <jongk@...ux-m68k.org>
To:     Finn Thain <fthain@...egraphics.com.au>
Cc:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Michael Schmitz <schmitzmic@...il.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] esp_scsi: Clear Transfer Count registers before PIO transfers

Op zo 17 nov. 2019 om 07:26 schreef Kars de Jong <jongk@...ux-m68k.org>:
> The only place the controller reads these registers is when a DMA
> command is issued.

The only time it does this, I mean.