From: Tejun Heo <tj@kernel.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Damien Le Moal <damien.lemoal@hgst.com>, linux-ide@vger.kernel.org
Subject: Re: [PATCH 4/6] ata: fixup ATA_PROT_NODATA
Date: Mon, 20 Jun 2016 11:44:26 -0400 [thread overview]
Message-ID: <20160620154426.GL3262@mtj.duckdns.org> (raw)
In-Reply-To: <1466422756-126637-5-git-send-email-hare@suse.de>
On Mon, Jun 20, 2016 at 01:39:14PM +0200, Hannes Reinecke wrote:
> The taskfile protocol is a numeric value, and can not be ORed.
>
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> ---
> drivers/ata/libata-core.c | 4 ++--
> drivers/ata/libata-eh.c | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index e798915..d200102 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -1238,7 +1238,7 @@ static int ata_read_native_max_address(struct ata_device *dev, u64 *max_sectors)
> } else
> tf.command = ATA_CMD_READ_NATIVE_MAX;
>
> - tf.protocol |= ATA_PROT_NODATA;
> + tf.protocol = ATA_PROT_NODATA;
> tf.device |= ATA_LBA;
Did the above lead to any actual brekage or was tf.protocol guaranteed
to be zero always? I wish the patch description described what the
stake of the patch is.
Thanks.
--
tejun
next prev parent reply other threads:[~2016-06-20 15:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 11:39 [PATCH 0/6] libata: Fixup ATA NCQ NON-DATA commands Hannes Reinecke
2016-06-20 11:39 ` [PATCH 1/6] libata: use ata_is_ncq() accessors Hannes Reinecke
2016-06-20 11:39 ` [PATCH 2/6] libsas: use ata_is_ncq() and ata_has_dma() accessors Hannes Reinecke
2016-06-20 15:40 ` Tejun Heo
2016-06-21 5:44 ` Hannes Reinecke
2016-06-20 11:39 ` [PATCH 3/6] ata: add ata_is_fpdma() accessor Hannes Reinecke
2016-06-20 15:42 ` Tejun Heo
2016-06-21 5:49 ` Hannes Reinecke
2016-06-21 15:45 ` Tejun Heo
2016-06-20 11:39 ` [PATCH 4/6] ata: fixup ATA_PROT_NODATA Hannes Reinecke
2016-06-20 15:44 ` Tejun Heo [this message]
2016-06-21 5:52 ` Hannes Reinecke
2016-06-20 11:39 ` [PATCH 5/6] libata-eh: decode all taskfile protocols Hannes Reinecke
2016-06-20 11:39 ` [PATCH 6/6] ata: Handle ATA NCQ NO-DATA commands correctly Hannes Reinecke
2016-06-21 1:14 ` Damien Le Moal
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