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Signed-off-by: Peng Fan --- drivers/clocksource/timer-imx-sysctr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c index 18b90fc56bfc..31ff8e06c9d1 100644 --- a/drivers/clocksource/timer-imx-sysctr.c +++ b/drivers/clocksource/timer-imx-sysctr.c @@ -110,7 +110,7 @@ static struct timer_of to_sysctr = { }, .of_irq = { .handler = sysctr_timer_interrupt, - .flags = IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_TIMER, }, .of_clk = { .name = "per", From patchwork Tue Dec 14 12:07:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12696067 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE455C433F5 for ; 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DU2PR04MB9194.eurprd04.prod.outlook.com (2603:10a6:10:2f9::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.18; Tue, 14 Dec 2021 12:08:36 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43%9]) with mapi id 15.20.4755.021; Tue, 14 Dec 2021 12:08:36 +0000 From: "Peng Fan (OSS)" To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan Subject: [PATCH 2/5] clocksource/drivers/imx-tpm: drop IRQF_IRQPOLL Date: Tue, 14 Dec 2021 20:07:34 +0800 Message-Id: <20211214120737.1611955-3-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211214120737.1611955-1-peng.fan@oss.nxp.com> References: <20211214120737.1611955-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) with Microsoft SMTP Server (version=TLS1_2, cipher=) via Frontend Transport; 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Signed-off-by: Peng Fan --- drivers/clocksource/timer-imx-tpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 2cdc077a39f5..2c0b0d4eba9e 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -137,7 +137,7 @@ static struct timer_of to_tpm = { }, .of_irq = { .handler = tpm_timer_interrupt, - .flags = IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_TIMER, }, .of_clk = { .name = "per", From patchwork Tue Dec 14 12:07:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12696068 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6FD5FC433F5 for ; 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DU2PR04MB9194.eurprd04.prod.outlook.com (2603:10a6:10:2f9::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.18; Tue, 14 Dec 2021 12:08:39 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43%9]) with mapi id 15.20.4755.021; Tue, 14 Dec 2021 12:08:39 +0000 From: "Peng Fan (OSS)" To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan Subject: [PATCH 3/5] clocksource/drivers/imx-tpm: mark two variable with __ro_after_init Date: Tue, 14 Dec 2021 20:07:35 +0800 Message-Id: <20211214120737.1611955-4-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211214120737.1611955-1-peng.fan@oss.nxp.com> References: <20211214120737.1611955-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) with Microsoft SMTP Server (version=TLS1_2, cipher=) via Frontend Transport; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan counter_width and timer_base will not be updated after init, so mark as __ro_after_init. Signed-off-by: Peng Fan --- drivers/clocksource/timer-imx-tpm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 2c0b0d4eba9e..3afd9b0a668a 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -32,8 +32,8 @@ #define TPM_C0SC_CHF_MASK (0x1 << 7) #define TPM_C0V 0x24 -static int counter_width; -static void __iomem *timer_base; +static int counter_width __ro_after_init; +static void __iomem *timer_base __ro_after_init; static inline void tpm_timer_disable(void) { From patchwork Tue Dec 14 12:07:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12696069 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D088FC433F5 for ; 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DU2PR04MB9194.eurprd04.prod.outlook.com (2603:10a6:10:2f9::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.18; Tue, 14 Dec 2021 12:08:43 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43%9]) with mapi id 15.20.4755.021; Tue, 14 Dec 2021 12:08:43 +0000 From: "Peng Fan (OSS)" To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan , Jacky Bai Subject: [PATCH 4/5] clocksource/drivers/imx-tpm: add CLOCK_EVT_FEAT_DYNIRQ Date: Tue, 14 Dec 2021 20:07:36 +0800 Message-Id: <20211214120737.1611955-5-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211214120737.1611955-1-peng.fan@oss.nxp.com> References: <20211214120737.1611955-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) with Microsoft SMTP Server (version=TLS1_2, cipher=) via Frontend Transport; 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With CLOCK_EVT_FEAT_DYNIRQ set, when broadcast timer could wake up the cores, IPI is not needed. Acked-by: Jacky Bai Signed-off-by: Peng Fan --- drivers/clocksource/timer-imx-tpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 3afd9b0a668a..578fe162fd99 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -129,7 +129,7 @@ static struct timer_of to_tpm = { .clkevt = { .name = "i.MX7ULP TPM Timer", .rating = 200, - .features = CLOCK_EVT_FEAT_ONESHOT, + .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_DYNIRQ, .set_state_shutdown = tpm_set_state_shutdown, .set_state_oneshot = tpm_set_state_oneshot, .set_next_event = tpm_set_next_event, From patchwork Tue Dec 14 12:07:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12696070 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4BA03C433EF for ; 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DU2PR04MB9115.eurprd04.prod.outlook.com (2603:10a6:10:2f6::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.12; Tue, 14 Dec 2021 12:08:46 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43%9]) with mapi id 15.20.4755.021; Tue, 14 Dec 2021 12:08:46 +0000 From: "Peng Fan (OSS)" To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peng Fan Subject: [PATCH 5/5] clocksource/drivers/imx-tpm: update name of clkevt Date: Tue, 14 Dec 2021 20:07:37 +0800 Message-Id: <20211214120737.1611955-6-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211214120737.1611955-1-peng.fan@oss.nxp.com> References: <20211214120737.1611955-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR06CA0249.apcprd06.prod.outlook.com (2603:1096:4:ac::33) with Microsoft SMTP Server (version=TLS1_2, cipher=) via Frontend Transport; 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It maybe also used by other i.MX variants, so update name to reflect it. Signed-off-by: Peng Fan --- drivers/clocksource/timer-imx-tpm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 578fe162fd99..df8064122b10 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -127,7 +127,7 @@ static irqreturn_t tpm_timer_interrupt(int irq, void *dev_id) static struct timer_of to_tpm = { .flags = TIMER_OF_IRQ | TIMER_OF_BASE | TIMER_OF_CLOCK, .clkevt = { - .name = "i.MX7ULP TPM Timer", + .name = "i.MX TPM Timer", .rating = 200, .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_DYNIRQ, .set_state_shutdown = tpm_set_state_shutdown,