linux-kernel - [PATCH v2 0/3] Adding brcmstb-hwspinlock support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20251001181641.1561472-1-kamal.dasu@broadcom.com>
Date: Wed,  1 Oct 2025 14:16:38 -0400
From: Kamal Dasu <kamal.dasu@...adcom.com>
To: peng.fan@....nxp.com,
	andersson@...nel.org,
	baolin.wang@...ux.alibaba.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	florian.fainelli@...adcom.com
Cc: bcm-kernel-feedback-list@...adcom.com,
	linux-remoteproc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Kamal Dasu <kamal.dasu@...adcom.com>
Subject: [PATCH v2 0/3] Adding brcmstb-hwspinlock support

This is a standalone patch for the hardware semaphore feature for
all brcmstb SoCs that have the same hardware semaphore registers
hence platform driver compatible uses:
	  '.compatible = "brcm,brcmstb-hwspinlock"'

The patch has been tested to work as builtin as well as a module.

v2 changes:
Adressed following review comments:
 - fixed ordering of obj brcmstb_hwspinlock.o in Makefile 
 - fixed ordering of 'config HWSPINLOCK_BRCMSTB' block in Kconfig
 - Renamed BRCMSTB_MAX_SEMAPHORES to BRCMSTB_NUM_SEMAPHORES
 - Removed unecessary platfrom_set_drvdata(pdev, bank);

Also addressing duplicate PATCH 1/3 sent in error as part of v1 change.

v1 changes:
based on fixes made to Intial patch :
url:    https://github.com/intel-lab-lkp/linux/commits/Kamal-Dasu/dt-bindings-brcmstb-hwspinlock-support-for-hwspinlock/20250712-034624
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20250711154221.928164-4-kamal.dasu%40broadcom.com
patch subject: [PATCH 2/4] hwspinlock: brcmstb hardware semaphore support

All the review comments and build warning have been fixed.

Kamal Dasu (3):
  dt-bindings: hwlock:  Adding brcmstb-hwspinlock support
  hwspinlock: brcmstb hardware semaphore support
  MAINTAINERS: adding entry for BRCMSTB HWSPINLOCK driver

 .../hwlock/brcm,brcmstb-hwspinlock.yaml       | 36 +++++++
 MAINTAINERS                                   |  8 ++
 drivers/hwspinlock/Kconfig                    | 11 ++-
 drivers/hwspinlock/Makefile                   |  1 +
 drivers/hwspinlock/brcmstb_hwspinlock.c       | 96 +++++++++++++++++++
 5 files changed, 151 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/hwlock/brcm,brcmstb-hwspinlock.yaml
 create mode 100644 drivers/hwspinlock/brcmstb_hwspinlock.c

-- 
2.34.1