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Mon, 20 Jul 2026 09:11:18 -0700 (PDT) Sender: Guenter Roeck Date: Mon, 20 Jul 2026 09:11:17 -0700 From: Guenter Roeck To: Tomer Maimon Cc: andrew@codeconstruct.com.au, wim@linux-watchdog.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, openbmc@lists.ozlabs.org, linux-watchdog@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, avifishman70@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, corbet@lwn.net, skhan@linuxfoundation.org, joel@jms.id.au Subject: Re: [PATCH v4 3/3] watchdog: npcm: add bootstatus support Message-ID: References: <20260706144828.3517631-1-tmaimon77@gmail.com> <20260706144828.3517631-4-tmaimon77@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260706144828.3517631-4-tmaimon77@gmail.com> On Mon, Jul 06, 2026 at 05:48:28PM +0300, Tomer Maimon wrote: > The NPCM750 uses RESSR and the NPCM845 uses INTCR2 to latch reset > indications. Read those bits during probe and map them into watchdog > bootstatus flags. > > For NPCM845, cache the sampled INTCR2 state in SCRPAD10 after the reset > status bits are cleared so later probes can report the same boot-time > state. Also report WDIOF_CARDRESET for the watchdog instance whose reset > bit is latched, while leaving WPCM450 behavior unchanged. > > Signed-off-by: Tomer Maimon Applied. Thanks, Guenter