From patchwork Mon Jul 17 17:28:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13316528 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org From: Andy Shevchenko Subject: [PATCH v2 01/10] pm: Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper Date: Mon, 17 Jul 2023 20:28:12 +0300 Message-Id: <20230717172821.62827-2-andriy.shevchenko@linux.intel.com> In-Reply-To: <20230717172821.62827-1-andriy.shevchenko@linux.intel.com> References: <20230717172821.62827-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+lwn-linux-arm-kernel=archive.lwn.net@lists.infradead.org List-Archive: To: Andy Shevchenko , Mika Westerberg , Linus Walleij , Balsam CHIHI , Claudiu Beznea , Geert Uytterhoeven , Wolfram Sang , Thierry Reding , Paul Cercueil , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org Cc: Andy Shevchenko , Andrew Lunn , Alexandre Belloni , Len Brown , "Rafael J. Wysocki" , Gregory Clement , Sean Wang , Jonathan Hunter , Ludovic Desroches , Pavel Machek , Matthias Brugger , Sebastian Hesselbarth , AngeloGioacchino Del Regno _DEFINE_DEV_PM_OPS() helps to define PM operations for the system sleep and/or runtime PM cases. Some of the existing users want to have _noirq() variants to be set. For that purpose introduce a new helper which sets up _noirq() callbacks to be set and struct dev_pm_ops be provided. Signed-off-by: Andy Shevchenko Reviewed-by: Paul Cercueil Reviewed-by: Jonathan Cameron --- include/linux/pm.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/pm.h b/include/linux/pm.h index badad7d11f4f..0f19af8d5493 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -448,6 +448,15 @@ const struct dev_pm_ops __maybe_unused name = { \ SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \ } +/* + * Use this if you want to have the suspend and resume callbacks be called + * with disabled IRQs. + */ +#define DEFINE_NOIRQ_DEV_PM_OPS(name, suspend_fn, resume_fn) \ +const struct dev_pm_ops name = { \ + NOIRQ_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \ +} + #define pm_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM), (_ptr)) #define pm_sleep_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM_SLEEP), (_ptr))