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ata fixes for 6.10-rc3

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- Fix a regression for the PATA MacIO driver were it would fail to probe
    because of the recent changes of initializing the limits in SCSI core.
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Merge tag 'ata-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux

Pull ata fix from Niklas Cassel:

 - Fix a regression for the PATA MacIO driver were it would fail to
   probe because of the recent changes of initializing the limits in
   SCSI core

* tag 'ata-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
  ata: pata_macio: Fix max_segment_size with PAGE_SIZE == 64K
This commit is contained in:
Linus Torvalds 2024-06-07 12:47:20 -07:00
parent 2e32d58075 09fe2bfa6b
commit e693c5026c
1 changed files with 6 additions and 3 deletions
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9
drivers/ata/pata_macio.c
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@ -915,10 +915,13 @@ static const struct scsi_host_template pata_macio_sht = {
.sg_tablesize = MAX_DCMDS,
/* We may not need that strict one */
.dma_boundary = ATA_DMA_BOUNDARY,
/* Not sure what the real max is but we know it's less than 64K, let's
* use 64K minus 256
/*
* The SCSI core requires the segment size to cover at least a page, so
* for 64K page size kernels this must be at least 64K. However the
* hardware can't handle 64K, so pata_macio_qc_prep() will split large
* requests.
*/
.max_segment_size = MAX_DBDMA_SEG,
.max_segment_size = SZ_64K,
.device_configure = pata_macio_device_configure,
.sdev_groups = ata_common_sdev_groups,
.can_queue = ATA_DEF_QUEUE,