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Tue, 21 Jan 2020 10:03:33 +0000 From: To: , , , Subject: [PATCH 09/15] power: reset: at91-reset: introduce args member in at91_reset_data Thread-Topic: [PATCH 09/15] power: reset: at91-reset: introduce args member in at91_reset_data Thread-Index: AQHV0EIKKlAxzgdug0mON1UVGCeEBw== Date: Tue, 21 Jan 2020 10:03:33 +0000 Message-ID: <1579601001-5711-10-git-send-email-claudiu.beznea@microchip.com> References: <1579601001-5711-1-git-send-email-claudiu.beznea@microchip.com> In-Reply-To: <1579601001-5711-1-git-send-email-claudiu.beznea@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: cfb40eed-4995-4cff-075b-08d79e592cdb x-ms-traffictypediagnostic: DM6PR11MB3195: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2733; x-forefront-prvs: 0289B6431E x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(366004)(396003)(136003)(346002)(39860400002)(199004)(189003)(107886003)(26005)(186003)(36756003)(5660300002)(110136005)(54906003)(4326008)(66556008)(66476007)(6506007)(2906002)(76116006)(91956017)(6486002)(86362001)(64756008)(6512007)(66946007)(66446008)(8676002)(81156014)(2616005)(81166006)(8936002)(6636002)(71200400001)(316002)(478600001); 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X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [68.232.154.123 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Claudiu.Beznea@microchip.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Introduce args member in struct at91_reset_data. It stores the value that needs to be written in mode register so that the reboot actions to happen. With these changes samx7_restart() could be removed. Signed-off-by: Claudiu Beznea --- drivers/power/reset/at91-reset.c | 27 +++++++++++---------------- 1 file changed, 11 insertions(+), 16 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index c653bd7ac29a..dc48f6850796 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -52,6 +52,7 @@ enum reset_type { struct at91_reset_data { int (*notifier_call)(struct notifier_block *this, unsigned long mode, void *cmd); + u32 args; }; struct at91_reset { @@ -59,6 +60,7 @@ struct at91_reset { void __iomem *ramc_base[2]; struct clk *sclk; struct notifier_block nb; + u32 args; }; /* @@ -90,7 +92,7 @@ static int at91sam9260_restart(struct notifier_block *this, unsigned long mode, "r" (reset->rstc_base), "r" (1), "r" cpu_to_le32(AT91_SDRAMC_LPCB_POWER_DOWN), - "r" cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST)); + "r" (reset->args)); return NOTIFY_DONE; } @@ -135,7 +137,7 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, "r" (reset->rstc_base), "r" (1), "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), - "r" cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST) + "r" (reset->args) : "r0"); return NOTIFY_DONE; @@ -146,19 +148,7 @@ static int sama5d3_restart(struct notifier_block *this, unsigned long mode, { struct at91_reset *reset = container_of(this, struct at91_reset, nb); - writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST), - reset->rstc_base); - - return NOTIFY_DONE; -} - -static int samx7_restart(struct notifier_block *this, unsigned long mode, - void *cmd) -{ - struct at91_reset *reset = container_of(this, struct at91_reset, nb); - - writel(cpu_to_le32(AT91_RSTC_KEY | AT91_RSTC_PROCRST), - reset->rstc_base); + writel(reset->args, reset->rstc_base); return NOTIFY_DONE; } @@ -210,18 +200,22 @@ static const struct of_device_id at91_ramc_of_match[] = { static const struct at91_reset_data at91sam9260_reset_data = { .notifier_call = at91sam9260_restart, + .args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST, }; static const struct at91_reset_data at91sam9g45_reset_data = { .notifier_call = at91sam9g45_restart, + .args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST, }; static const struct at91_reset_data sama5d3_reset_data = { .notifier_call = sama5d3_restart, + .args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST, }; static const struct at91_reset_data samx7_reset_data = { - .notifier_call = samx7_restart, + .notifier_call = sama5d3_restart, + .args = AT91_RSTC_KEY | AT91_RSTC_PROCRST, }; static const struct of_device_id at91_reset_of_match[] = { @@ -284,6 +278,7 @@ static int __init at91_reset_probe(struct platform_device *pdev) reset_data = match->data; reset->nb.notifier_call = reset_data->notifier_call; reset->nb.priority = 192; + reset->args = reset_data->args; reset->sclk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(reset->sclk))