Linux kernel stable tree https://git.rulkc.org/pub/scm/linux/kernel/git/stable/linux-stable.git/atom?h=master 2026-07-17T13:48:11+00:00 2026-07-17T13:48:11+00:00 Alexander Usyskin alexander.usyskin@intel.com 2026-05-13T14:18:42+00:00 urn:sha1:65f0ecb9ec85cb3a2e2372a6427dcc100691fc57 The ISSEI (Intel Silicon Security Engine Interface) subsystem provides a communication channel between the host and the Silicon Security Engine. Prepare basic driver functions and character device for user-space communication. Add DMA access routines for ISSEI HECI devices. Add of DMA-related structures and implementation of routines for setting up DMA, as well as reading and writing DMA buffers. Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com> Co-developed-by: Vitaly Lubart <lubvital@gmail.com> Signed-off-by: Vitaly Lubart <lubvital@gmail.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Link: https://patch.msgid.link/20260513-issei-for-upstream-v1-1-f590038678f9@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>