Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
+2
-2
drivers/parisc/sba_iommu.c
+2
-2
drivers/parisc/sba_iommu.c
···
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pba &= IOVP_MASK;
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pba |= (ci >> PAGE_SHIFT) & 0xff; /* move CI (8 bits) into lowest byte */
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-
pba |= SBA_PDIR_VALID_BIT; /* set "valid" bit */
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-
*pdir_ptr = cpu_to_le64(pba); /* swap and store into I/O Pdir */
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+
/* set "valid" bit, swap and store into I/O Pdir */
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+
*pdir_ptr = cpu_to_le64((unsigned long)pba | SBA_PDIR_VALID_BIT);
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/*
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* If the PDC_MODEL capabilities has Non-coherent IO-PDIR bit set