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dma-mapping fix for Linux 6.19

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- important patch for recent rework of DMA API infrastructure, which
 fixes boot failure of parisc systems (Leon Romanovsky)
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Merge tag 'dma-mapping-6.19-2025-12-22' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux

Pull dma-mapping fix from Marek Szyprowski:

 - fix boot failure of parisc systems after recent rework of the DMA API
   infrastructure (Leon Romanovsky)

* tag 'dma-mapping-6.19-2025-12-22' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
  parisc: Set valid bit in high byte of 64‑bit physical address
This commit is contained in:
Linus Torvalds 2025-12-22 09:37:59 -08:00
commit b927546677
1 changed files with 2 additions and 2 deletions
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4
drivers/parisc/sba_iommu.c
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@ -578,8 +578,8 @@ sba_io_pdir_entry(__le64 *pdir_ptr, space_t sid, phys_addr_t pba,
pba &= IOVP_MASK;
pba |= (ci >> PAGE_SHIFT) & 0xff; /* move CI (8 bits) into lowest byte */
pba |= SBA_PDIR_VALID_BIT; /* set "valid" bit */
*pdir_ptr = cpu_to_le64(pba); /* swap and store into I/O Pdir */
/* set "valid" bit, swap and store into I/O Pdir */
*pdir_ptr = cpu_to_le64((unsigned long)pba | SBA_PDIR_VALID_BIT);
/*
* If the PDC_MODEL capabilities has Non-coherent IO-PDIR bit set