From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Khalid Aziz <khalid@gonehiking.org>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Matthew Wilcox <willy@infradead.org>,
Hannes Reinecke <hare@suse.com>,
Ondrej Zary <linux@rainbow-software.org>
Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH 4/8] advansys: remove ISA support
Date: Mon, 29 Mar 2021 08:31:21 +0200 [thread overview]
Message-ID: <f02b33b0-a898-505c-24f1-c84c35d21b78@suse.de> (raw)
In-Reply-To: <20210326055822.1437471-5-hch@lst.de>
On 3/26/21 6:58 AM, Christoph Hellwig wrote:
> This is the last piece in the kernel requiring the block layer ISA
> bounce buffering, and it does not actually look used. So remove it
> to see if anyone screams, in which case we'll need to find a solution
> to fix it back up.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> ---
> drivers/scsi/advansys.c | 283 ++++------------------------------------
> 1 file changed, 25 insertions(+), 258 deletions(-)
>
> diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
> index ec5627890809e6..ccdd78ac7abd95 100644
> --- a/drivers/scsi/advansys.c
> +++ b/drivers/scsi/advansys.c
> @@ -84,8 +84,6 @@ typedef unsigned char uchar;
>
> #define ASC_CS_TYPE unsigned short
>
> -#define ASC_IS_ISA (0x0001)
> -#define ASC_IS_ISAPNP (0x0081)
> #define ASC_IS_EISA (0x0002)
> #define ASC_IS_PCI (0x0004)
> #define ASC_IS_PCI_ULTRA (0x0104)
Any particular reason why the remaining ISA defines (like
ASC_CHIP_MIN_VER_ISA etc) are being left intact?
[ .. ]
> @@ -8768,16 +8662,6 @@ static void AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
> }
>
> asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
> -#ifdef CONFIG_ISA
> - if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
> - if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
> - AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
> - asc_dvc->bus_type = ASC_IS_ISAPNP;
> - }
> - asc_dvc->cfg->isa_dma_channel =
> - (uchar)AscGetIsaDmaChannel(iop_base);
> - }
> -#endif /* CONFIG_ISA */
> for (i = 0; i <= ASC_MAX_TID; i++) {
> asc_dvc->cur_dvc_qng[i] = 0;
> asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
Please remove the 'isa_dma_channel' field from struct asc_dvc_cfg, too.
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer
next prev parent reply other threads:[~2021-03-29 6:32 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-26 5:58 start removing block bounce buffering support v2 Christoph Hellwig
2021-03-26 5:58 ` [PATCH 1/8] aha1542: use a local bounce buffer Christoph Hellwig
2021-03-29 6:22 ` Hannes Reinecke
2021-03-26 5:58 ` [PATCH 2/8] Buslogic: remove ISA support Christoph Hellwig
2021-03-29 6:22 ` Hannes Reinecke
2021-03-29 20:29 ` Khalid Aziz
2021-03-30 17:03 ` Christoph Hellwig
2021-03-30 17:15 ` Khalid Aziz
2021-03-30 17:31 ` Christoph Hellwig
2021-03-26 5:58 ` [PATCH 3/8] BusLogic: reject broken old firmware that requires ISA-style bounce buffering Christoph Hellwig
2021-03-29 6:23 ` Hannes Reinecke
2021-03-29 20:33 ` Khalid Aziz
2021-03-26 5:58 ` [PATCH 4/8] advansys: remove ISA support Christoph Hellwig
2021-03-29 6:31 ` Hannes Reinecke [this message]
2021-03-30 17:26 ` Christoph Hellwig
2021-03-26 5:58 ` [PATCH 5/8] scsi: remove the unchecked_isa_dma flag Christoph Hellwig
2021-03-29 6:31 ` Hannes Reinecke
2021-03-26 5:58 ` [PATCH 6/8] block: remove BLK_BOUNCE_ISA support Christoph Hellwig
2021-03-29 6:32 ` Hannes Reinecke
2021-03-26 5:58 ` [PATCH 7/8] block: refactor the bounce buffering code Christoph Hellwig
2021-03-29 6:34 ` Hannes Reinecke
2021-03-26 5:58 ` [PATCH 8/8] block: stop calling blk_queue_bounce for passthrough requests Christoph Hellwig
2021-03-29 6:37 ` Hannes Reinecke
2021-03-26 23:15 ` start removing block bounce buffering support v2 Jens Axboe
2021-03-30 3:08 ` Martin K. Petersen
-- strict thread matches above, loose matches on Subject: below --
2021-03-31 7:29 start removing block bounce buffering support v3 Christoph Hellwig
2021-03-31 7:29 ` [PATCH 4/8] advansys: remove ISA support Christoph Hellwig
2021-03-31 7:59 ` Hannes Reinecke
2021-03-18 6:39 start removing block bounce buffering support Christoph Hellwig
2021-03-18 6:39 ` [PATCH 4/8] advansys: remove ISA support Christoph Hellwig
2021-03-18 11:20 ` Matthew Wilcox
2021-03-18 12:54 ` Christoph Hellwig
2021-03-18 14:34 ` Matthew Wilcox
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