pm24.git/drivers/char, branch v5.5-rc4

Merge tag 'char-misc-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2019-12-20T18:11:30Z

Pull char/misc driver fixes from Greg KH: "Here are some small char and other driver fixes for 5.5-rc3. The most noticable one is a much-reported fix for a random driver issue that came up from 5.5-rc1 compat_ioctl cleanups. The others are a chunk of habanalab driver fixes and intel_th driver fixes and new device ids. All have been in linux-next with no reported issues" * tag 'char-misc-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: random: don't forget compat_ioctl on urandom intel_th: msu: Fix window switching without windows intel_th: Fix freeing IRQs intel_th: pci: Add Elkhart Lake SOC support intel_th: pci: Add Comet Lake PCH-V support habanalabs: remove variable 'val' set but not used habanalabs: rate limit error msg on waiting for CS

tpm/tpm_ftpm_tee: add shutdown call back

2019-12-19T00:31:28Z

Add shutdown call back to close existing session with fTPM TA to support kexec scenario. Add parentheses to function names in comments as specified in kdoc. Signed-off-by: Thirupathaiah Annapureddy Signed-off-by: Pavel Tatashin Reviewed-by: Jarkko Sakkinen Tested-by: Sasha Levin Signed-off-by: Jarkko Sakkinen

random: don't forget compat_ioctl on urandom

2019-12-17T18:19:24Z

Recently, there's been some compat ioctl cleanup, in which large hardcoded lists were replaced with compat_ptr_ioctl. One of these changes involved removing the random.c hardcoded list entries and adding a compat ioctl function pointer to the random.c fops. In the process, urandom was forgotten about, so this commit fixes that oversight. Fixes: 507e4e2b430b ("compat_ioctl: remove /dev/random commands") Cc: Arnd Bergmann Signed-off-by: Jason A. Donenfeld Link: https://lore.kernel.org/r/20191217172455.186395-1-Jason@zx2c4.com Signed-off-by: Greg Kroah-Hartman

tpm: fix invalid locking in NONBLOCKING mode

2019-12-17T10:20:04Z

When an application sends TPM commands in NONBLOCKING mode the driver holds chip->tpm_mutex returning from write(), which triggers: "WARNING: lock held when returning to user space". To fix this issue the driver needs to release the mutex before returning and acquire it again in tpm_dev_async_work() before sending the command. Cc: stable@vger.kernel.org Fixes: 9e1b74a63f776 (tpm: add support for nonblocking operation) Reported-by: Jeffrin Jose T Tested-by: Jeffrin Jose T Signed-off-by: Tadeusz Struk Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen

security: keys: trusted: fix lost handle flush

2019-12-17T09:46:43Z

The original code, before it was moved into security/keys/trusted-keys had a flush after the blob unseal. Without that flush, the volatile handles increase in the TPM until it becomes unusable and the system either has to be rebooted or the TPM volatile area manually flushed. Fix by adding back the lost flush, which we now have to export because of the relocation of the trusted key code may cause the consumer to be modular. Signed-off-by: James Bottomley Fixes: 2e19e10131a0 ("KEYS: trusted: Move TPM2 trusted keys code") Reviewed-by: Jerry Snitselaar Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen

tpm_tis: reserve chip for duration of tpm_tis_core_init

2019-12-17T00:57:33Z

Instead of repeatedly calling tpm_chip_start/tpm_chip_stop when issuing commands to the tpm during initialization, just reserve the chip after wait_startup, and release it when we are ready to call tpm_chip_register. Cc: Christian Bundy Cc: Dan Williams Cc: Peter Huewe Cc: Jarkko Sakkinen Cc: Jason Gunthorpe Cc: Stefan Berger Cc: stable@vger.kernel.org Cc: linux-integrity@vger.kernel.org Fixes: a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()") Fixes: 5b359c7c4372 ("tpm_tis_core: Turn on the TPM before probing IRQ's") Suggested-by: Jarkko Sakkinen Reviewed-by: Jarkko Sakkinen Signed-off-by: Jerry Snitselaar Signed-off-by: Jarkko Sakkinen

Merge tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm

2019-12-06T18:28:09Z

Pull more drm updates from Dave Airlie: "Rob pointed out I missed his pull request for msm-next, it's been in next for a while outside of my tree so shouldn't cause any unexpected issues, it has some OCMEM support in drivers/soc that is acked by other maintainers as it's outside my tree. Otherwise it's a usual fixes pull, i915, amdgpu, the main ones, with some tegra, omap, mgag200 and one core fix. Summary: msm-next: - OCMEM support for a3xx and a4xx GPUs. - a510 support + display support core: - mst payload deletion fix i915: - uapi alignment fix - fix for power usage regression due to security fixes - change default preemption timeout to 640ms from 100ms - EHL voltage level display fixes - TGL DGL PHY fix - gvt - MI_ATOMIC cmd parser fix, CFL non-priv warning - CI spotted deadlock fix - EHL port D programming fix amdgpu: - VRAM lost fixes on BACO for CI/VI - navi14 DC fixes - misc SR-IOV, gfx10 fixes - XGMI fixes for arcturus - SRIOV fixes amdkfd: - KFD on ppc64le enabled - page table optimisations radeon: - fix for r1xx/2xx register checker. tegra: - displayport regression fixes - DMA API regression fixes mgag200: - fix devices that can't scanout except at 0 addr omap: - fix dma_addr refcounting" * tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm: (100 commits) drm/dp_mst: Correct the bug in drm_dp_update_payload_part1() drm/omap: fix dma_addr refcounting drm/tegra: Run hub cleanup on ->remove() drm/tegra: sor: Make the +5V HDMI supply optional drm/tegra: Silence expected errors on IOMMU attach drm/tegra: vic: Export module device table drm/tegra: sor: Implement system suspend/resume drm/tegra: Use proper IOVA address for cursor image drm/tegra: gem: Remove premature import restrictions drm/tegra: gem: Properly pin imported buffers drm/tegra: hub: Remove bogus connection mutex check ia64: agp: Replace empty define with do while agp: Add bridge parameter documentation agp: remove unused variable num_segments agp: move AGPGART_MINOR to include/linux/miscdevice.h agp: remove unused variable size in agp_generic_create_gatt_table drm/dp_mst: Fix build on systems with STACKTRACE_SUPPORT=n drm/radeon: fix r1xx/r2xx register checker for POT textures drm/amdgpu: fix GFX10 missing CSIB set(v3) drm/amdgpu: should stop GFX ring in hw_fini ...

agp: Add bridge parameter documentation

2019-12-04T03:35:59Z

This patch add documentation about the bridge parameter in several function. This will fix the following build warning: drivers/char/agp/generic.c:220: warning: No description found for parameter 'bridge' drivers/char/agp/generic.c:364: warning: No description found for parameter 'bridge' drivers/char/agp/generic.c:1283: warning: No description found for parameter 'bridge' Signed-off-by: Corentin Labbe Acked-by: Arnd Bergmann Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/1574324085-4338-5-git-send-email-clabbe@baylibre.com

agp: remove unused variable num_segments

2019-12-04T03:35:33Z

This patch fix the following build warning: warning: variable 'num_segments' set but not used [-Wunused-but-set-variable] Signed-off-by: Corentin Labbe Acked-by: Arnd Bergmann Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/1574324085-4338-4-git-send-email-clabbe@baylibre.com

agp: remove unused variable size in agp_generic_create_gatt_table

2019-12-04T03:31:57Z

This patch fix the following warning: drivers/char/agp/generic.c:853:6: attention : variable ‘size’ set but not used [-Wunused-but-set-variable] by removing the unused variable size in agp_generic_create_gatt_table Signed-off-by: Corentin Labbe Acked-by: Arnd Bergmann Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/1574324085-4338-2-git-send-email-clabbe@baylibre.com