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Tue, 21 Jan 2020 10:03:32 +0000 From: To: , , , Subject: [PATCH 07/15] power: reset: at91-reset: devm_kzalloc() for at91_reset data structure Thread-Topic: [PATCH 07/15] power: reset: at91-reset: devm_kzalloc() for at91_reset data structure Thread-Index: AQHV0EIJK7jrmwT79UOEMXED2p1fmQ== Date: Tue, 21 Jan 2020 10:03:32 +0000 Message-ID: <1579601001-5711-8-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: 7b7cc2c1-360b-458a-763a-08d79e592c41 x-ms-traffictypediagnostic: DM6PR11MB3195: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3826; 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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Signed-off-by: Claudiu Beznea --- drivers/power/reset/at91-reset.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index bd05496c5ac7..7ba77555e9e1 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -56,8 +56,6 @@ struct at91_reset { struct notifier_block nb; }; -static struct at91_reset *reset; - /* * unless the SDRAM is cleanly shutdown before we hit the * reset register it can be left driving the data bus and @@ -66,6 +64,8 @@ static struct at91_reset *reset; static int at91sam9260_restart(struct notifier_block *this, unsigned long mode, void *cmd) { + struct at91_reset *reset = container_of(this, struct at91_reset, nb); + asm volatile( /* Align to cache lines */ ".balign 32\n\t" @@ -93,6 +93,8 @@ static int at91sam9260_restart(struct notifier_block *this, unsigned long mode, static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, void *cmd) { + struct at91_reset *reset = container_of(this, struct at91_reset, nb); + asm volatile( /* * Test wether we have a second RAM controller to care @@ -137,6 +139,8 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, static int sama5d3_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_PERRST | AT91_RSTC_PROCRST), reset->rstc_base); @@ -146,6 +150,8 @@ static int sama5d3_restart(struct notifier_block *this, unsigned long mode, 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); @@ -210,6 +216,7 @@ MODULE_DEVICE_TABLE(of, at91_reset_of_match); static int __init at91_reset_probe(struct platform_device *pdev) { const struct of_device_id *match; + struct at91_reset *reset; struct device_node *np; int ret, idx = 0; @@ -250,6 +257,8 @@ static int __init at91_reset_probe(struct platform_device *pdev) return ret; } + platform_set_drvdata(pdev, reset); + ret = register_restart_handler(&reset->nb); if (ret) { clk_disable_unprepare(reset->sclk); @@ -263,6 +272,8 @@ static int __init at91_reset_probe(struct platform_device *pdev) static int __exit at91_reset_remove(struct platform_device *pdev) { + struct at91_reset *reset = platform_get_drvdata(pdev); + unregister_restart_handler(&reset->nb); clk_disable_unprepare(reset->sclk);