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[209.85.221.176]) by smtp.gmail.com with ESMTPSA id a1e0cc1a2514c-86d33ccba8bsm2199817241.34.2025.03.11.01.28.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Mar 2025 01:28:13 -0700 (PDT) Received: by mail-vk1-f176.google.com with SMTP id 71dfb90a1353d-521b84da5e9so1867440e0c.0; Tue, 11 Mar 2025 01:28:13 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCU2Cwpsv83mRNRogYqto8bbJScLn3QMp7Z5S7aCPWMQOdePfwoPa3rbVr4V1bU8eKApnP54dhlJa+Y=@vger.kernel.org, AJvYcCUGeHTldYSdzc49Ki8ZBsWdH+8WeCph3qy/fur8OaVmGXYbyHRP+CAiOyNEi3d0QQHQk7E5LftaMF/7iom0fOBtdqs=@vger.kernel.org, AJvYcCWehXrENu2Sylwl6o1sujMaro9UmoWVNjWgoPIDGk70x8dbk18jom8E/b72Q7+Ia0AgF+QjCr1mXvhEAkQK@vger.kernel.org, AJvYcCX+zr40TBwrnzbAC/eaZt18iLRw7oBJnCYAMIyEez5aK2b09QLKhh6kb4dNEOsJH6+A5hoSHNkHQZ6R@vger.kernel.org X-Received: by 2002:a05:6102:3e16:b0:4bd:39a6:e98d with SMTP id ada2fe7eead31-4c30a346c43mr12172307137.0.1741681692988; Tue, 11 Mar 2025 01:28:12 -0700 (PDT) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20250309121324.29633-1-john.madieu.xa@bp.renesas.com> <20250309121324.29633-2-john.madieu.xa@bp.renesas.com> In-Reply-To: <20250309121324.29633-2-john.madieu.xa@bp.renesas.com> From: Geert Uytterhoeven Date: Tue, 11 Mar 2025 09:28:01 +0100 X-Gmail-Original-Message-ID: X-Gm-Features: AQ5f1Jr5Xvuhwpg52kNPydAXsbsr-Q6lxsfd2ynCdmDZbt4PEMDZP2P4hNDUS8I Message-ID: Subject: Re: [RFC PATCH 1/3] thermal/cpuplog_cooling: Add CPU hotplug cooling driver To: John Madieu Cc: niklas.soderlund+renesas@ragnatech.se, conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org, rafael@kernel.org, daniel.lezcano@linaro.org, magnus.damm@gmail.com, claudiu.beznea.uj@bp.renesas.com, devicetree@vger.kernel.org, john.madieu@gmail.com, rui.zhang@intel.com, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, biju.das.jz@bp.renesas.com, linux-pm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Hi John, On Sun, 9 Mar 2025 at 13:14, John Madieu wrote: > Add thermal cooling mechanism that dynamically manages CPU online/offline > states to prevent overheating. It registers per-CPU cooling devices that can > take CPUs offline when thermal thresholds are excee and that integrates with > the Linux thermal framework as a cooling devices. > > Signed-off-by: John Madieu Thanks for your patch! > --- /dev/null > +++ b/drivers/thermal/cpuplug_cooling.c > +static int register_cpu_hotplug_cooling(struct device_node *cpu_node, > + int cpu_id) > +{ > + hotplug_cdev = kzalloc(sizeof(*hotplug_cdev), GFP_KERNEL); > + if (!hotplug_cdev) { > + pr_err("Failed to allocate memory for cooling device\n"); scripts/checkpatch.pl: WARNING: Possible unnecessary 'out of memory' message and checkpatch is right, as the memory core already takes care of printing a message. > + return -ENOMEM; > + } Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds