Re: [PATCH v3 74/77] ncr5380: Enable PDMA for NCR53C400A

From: Hannes Reinecke
Date: Tue Dec 22 2015 - 03:07:58 EST


On 12/22/2015 02:18 AM, Finn Thain wrote:
From: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>

Add I/O register mapping for NCR53C400A and enable PDMA mode to
improve performance and fix non-working IRQ.

Tested with HP C2502 (and user-space enabler).

Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>

---

Changes to Ondrej's version:
- An 'if' statement is now a 'switch' statement.
- Throw an error if MMIO register locations are not known.

---
drivers/scsi/g_NCR5380.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)

Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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