From: Ondrej Zary <linux@rainbow-software.org>
To: Finn Thain <fthain@telegraphics.com.au>
Cc: "James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Michael Schmitz <schmitzmic@gmail.com>,
linux-m68k@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, Sam Creasey <sammy@sammy.net>
Subject: Re: [PATCH v3 00/23] ncr5380: Eliminate macros, reduce code duplication, fix bugs etc
Date: Tue, 22 Mar 2016 23:24:26 +0100 [thread overview]
Message-ID: <201603222324.27594.linux@rainbow-software.org> (raw)
In-Reply-To: <20160321023149.604138431@telegraphics.com.au>
On Monday 21 March 2016 03:31:49 Finn Thain wrote:
>
> This patch series has more macro elimination and some tweaks to the
> DMA hooks so that all the wrapper drivers can share the same core
> DMA algorithm. This resolves the major discrepancies between the two
> core drivers, which relate to code conditional on the REAL_DMA and
> PSEUDO_DMA macros.
>
> After all the wrapper drivers agree on the DMA hook api, the core driver
> fork gets resolved. NCR5380.c is adopted by atari_scsi and sun3_scsi and
> atari_NCR5380.c is then deleted.
>
> Historically, the 5380 drivers suffered from over-use of conditional
> compilation, which caused the compile-time configuration space to explode,
> leading to core driver code that was practically untestable, unmaintainable
> and difficult to reason about. It also prevented driver modules from
> sharing object code.
>
> Along with REAL_DMA, REAL_DMA_POLL and PSEUDO_DMA, most of the remaining
> macros are also eradicated, such as CONFIG_SCSI_GENERIC_NCR53C400,
> SUPPORT_TAGS, DONT_USE_INTR, AUTOPROBE_IRQ and BIOSPARAM.
>
> Also in this patch series, some duplicated documentation is removed and
> the PDMA implementation in mac_scsi finally gets fixed.
>
> This patch series was tested by exercising the dmx3191d and mac_scsi modules
> on suitable hardware. Michael has tested atari_scsi on an Atari Falcon.
> Help with driver testing on ISA cards is sought as I don't have such
> hardware. Likewise RiscPC ecards and Sun 3.
Tested on HP C2502 (53C400A chip), Canon FG2-5202 (53C400 chip) and DTC-3181L
(DTCT-436P chip) ISA cards - everything works fine!
Thanks.
Tested-by: Ondrej Zary <linux@rainbow-software.org>
HP C2502:
scsi host2: Generic NCR5380/NCR53C400 SCSI, io_port 0x280, n_io_port 16, base 0x0, irq 0, can_queue 16, cmd_per_lun 2, sg_tablesize 128, this_id 7, flags { }, options { }
Canon FG2-5202:
scsi host2: Generic NCR5380/NCR53C400 SCSI, io_port 0x0, n_io_port 0, base 0xd8000, irq 0, can_queue 16, cmd_per_lun 2, sg_tablesize 128, this_id 7, flags { }, options { }
DTC-3181L:
scsi host2: Generic NCR5380/NCR53C400 SCSI, io_port 0x240, n_io_port 16, base 0x0, irq 0, can_queue 16, cmd_per_lun 2, sg_tablesize 128, this_id 7, flags { }, options { }
--
Ondrej Zary
next prev parent reply other threads:[~2016-03-22 22:24 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-21 2:31 [PATCH v3 00/23] ncr5380: Eliminate macros, reduce code duplication, fix bugs etc Finn Thain
2016-03-21 2:31 ` [PATCH v3 01/23] g_ncr5380: Remove CONFIG_SCSI_GENERIC_NCR53C400 Finn Thain
2016-03-21 2:31 ` [PATCH v3 02/23] ncr5380: Remove FLAG_NO_PSEUDO_DMA where possible Finn Thain
2016-03-21 2:31 ` [PATCH v3 03/23] ncr5380: Remove REAL_DMA and REAL_DMA_POLL macros Finn Thain
2016-03-21 2:31 ` [PATCH v3 04/23] atari_NCR5380: Remove DMA_MIN_SIZE macro Finn Thain
2016-03-23 7:27 ` Hannes Reinecke
2016-03-21 2:31 ` [PATCH v3 05/23] ncr5380: Disable the DMA errata workaround flag by default Finn Thain
2016-03-21 2:31 ` [PATCH v3 06/23] ncr5380: Remove PSEUDO_DMA macro Finn Thain
2016-03-21 2:31 ` [PATCH v3 07/23] ncr5380: Remove BOARD_REQUIRES_NO_DELAY macro Finn Thain
2016-03-21 2:31 ` [PATCH v3 08/23] ncr5380: Use DMA hooks for PDMA Finn Thain
2016-03-21 2:31 ` [PATCH v3 09/23] ncr5380: Adopt uniform DMA setup convention Finn Thain
2016-03-21 2:31 ` [PATCH v3 10/23] ncr5380: Merge DMA implementation from atari_NCR5380 core driver Finn Thain
2016-03-21 2:32 ` [PATCH v3 11/23] atari_scsi: Adopt NCR5380.c " Finn Thain
2016-03-21 2:32 ` [PATCH v3 12/23] sun3_scsi: " Finn Thain
2016-03-21 2:32 ` [PATCH v3 13/23] ncr5380: Remove disused atari_NCR5380.c " Finn Thain
2016-03-21 2:32 ` [PATCH v3 14/23] ncr5380: Reduce max_lun limit Finn Thain
2016-03-23 7:28 ` Hannes Reinecke
2016-03-21 2:32 ` [PATCH v3 15/23] dmx3191d: Drop max_sectors limit Finn Thain
2016-03-21 2:32 ` [PATCH v3 16/23] ncr5380: Fix register decoding for debugging Finn Thain
2016-03-21 2:32 ` [PATCH v3 17/23] ncr5380: Remove remaining register storage qualifiers Finn Thain
2016-03-21 2:32 ` [PATCH v3 18/23] ncr5380: Remove DONT_USE_INTR and AUTOPROBE_IRQ macros Finn Thain
2016-03-21 2:32 ` [PATCH v3 19/23] ncr5380: Update usage documentation Finn Thain
2016-03-21 2:32 ` [PATCH v3 20/23] atari_scsi: Set a reasonable default for cmd_per_lun Finn Thain
2016-03-23 7:28 ` Hannes Reinecke
2016-03-21 2:32 ` [PATCH v3 21/23] atari_scsi: Allow can_queue to be increased for Falcon Finn Thain
2016-03-21 2:32 ` [PATCH v3 22/23] mac_scsi: Fix pseudo DMA implementation Finn Thain
2016-03-21 2:32 ` [PATCH v3 23/23] ncr5380: Call complete_cmd() for disconnected commands on bus reset Finn Thain
2016-03-23 7:29 ` Hannes Reinecke
2016-03-22 22:24 ` Ondrej Zary [this message]
2016-03-23 1:35 ` [PATCH v3 00/23] ncr5380: Eliminate macros, reduce code duplication, fix bugs etc Finn Thain
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