svn commit: r346664 - head/sys/compat/linuxkpi/common/src

[Hans Petter Selasky]

Author: hselasky
Date: Thu Apr 25 09:13:15 2019
New Revision: 346664
URL: https://svnweb.freebsd.org/changeset/base/346664

Log:
  LinuxKPI buildfix for 32-bit DMA architectures after r346645.
  
  The <sys/pctrie.h> APIs expect a 64-bit DMA key.
  This is fine as long as the DMA is less than or equal to 64 bits, which
  is currently the case.
  
  Sponsored by:		Mellanox Technologies

Modified:
  head/sys/compat/linuxkpi/common/src/linux_pci.c

Modified: head/sys/compat/linuxkpi/common/src/linux_pci.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_pci.c	Thu Apr 25 08:28:54 2019	(r346663)
+++ head/sys/compat/linuxkpi/common/src/linux_pci.c	Thu Apr 25 09:13:15 2019	(r346664)
@@ -406,9 +406,11 @@ linux_pci_unregister_driver(struct pci_driver *pdrv)
 	mtx_unlock(&Giant);
 }
 
+CTASSERT(sizeof(dma_addr_t) <= sizeof(uint64_t));
+
 struct linux_dma_obj {
 	void		*vaddr;
-	dma_addr_t	dma_addr;
+	uint64_t	dma_addr;
 	bus_dmamap_t	dmamap;
 };