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Tue, 21 Jan 2020 10:03:38 +0000 From: To: , , , Subject: [PATCH 13/15] power: reset: at91-reset: keep only one reset function Thread-Topic: [PATCH 13/15] power: reset: at91-reset: keep only one reset function Thread-Index: AQHV0EIN4pR9JeMnZ0SqGReN+xq8tA== Date: Tue, 21 Jan 2020 10:03:38 +0000 Message-ID: <1579601001-5711-14-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: 410ba330-7a36-4660-97e6-08d79e592fd6 x-ms-traffictypediagnostic: DM6PR11MB3195: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:651; 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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With this, notifier_call member of struct at91_reset_data could be removed. Signed-off-by: Claudiu Beznea --- drivers/power/reset/at91-reset.c | 52 +++------------------------------------- 1 file changed, 3 insertions(+), 49 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 61433060d784..9c1b69f76a01 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -50,8 +50,6 @@ enum reset_type { }; struct at91_reset_data { - int (*notifier_call)(struct notifier_block *this, unsigned long mode, - void *cmd); u32 args; }; @@ -69,38 +67,8 @@ struct at91_reset { * reset register it can be left driving the data bus and * killing the chance of a subsequent boot from NAND */ -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" - - /* Disable SDRAM accesses */ - "str %2, [%0, #" __stringify(AT91_SDRAMC_TR) "]\n\t" - - /* Power down SDRAM */ - "str %3, [%0, %5]\n\t" - - /* Reset CPU */ - "str %4, [%1, #" __stringify(AT91_RSTC_CR) "]\n\t" - - "b .\n\t" - : - : "r" (reset->ramc_base[0]), - "r" (reset->rstc_base), - "r" (1), - "r" cpu_to_le32(AT91_SDRAMC_LPCB_POWER_DOWN), - "r" (reset->args), - "r" (reset->ramc_lpr)); - - return NOTIFY_DONE; -} - -static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, - void *cmd) +static int at91_reset(struct notifier_block *this, unsigned long mode, + void *cmd) { struct at91_reset *reset = container_of(this, struct at91_reset, nb); @@ -137,16 +105,6 @@ static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode, return NOTIFY_DONE; } -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(reset->args, reset->rstc_base); - - return NOTIFY_DONE; -} - static void __init at91_reset_status(struct platform_device *pdev, void __iomem *base) { @@ -199,22 +157,18 @@ 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 = sama5d3_restart, .args = AT91_RSTC_KEY | AT91_RSTC_PROCRST, }; @@ -277,7 +231,7 @@ static int __init at91_reset_probe(struct platform_device *pdev) match = of_match_node(at91_reset_of_match, pdev->dev.of_node); reset_data = match->data; - reset->nb.notifier_call = reset_data->notifier_call; + reset->nb.notifier_call = at91_reset; reset->nb.priority = 192; reset->args = reset_data->args;