linux-kernel - [PATCH 06/18] AT91: DT: Remove the old-style reset probing

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Message-Id: <1404396906-25194-9-git-send-email-maxime.ripard@free-electrons.com>
Date:	Thu,  3 Jul 2014 16:14:41 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	linux@...im.org.za, Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	dwmw2@...radead.org, dbaryshkov@...il.com
Cc:	Boris Brezillon <boris@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Thomas Petazzoni <thomas@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 06/18] AT91: DT: Remove the old-style reset probing

Now that the reset code is a driver of its own, just let the usual DT probing
mecanism do its job, and remove the code entirely in this case.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 arch/arm/mach-at91/setup.c | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 9c4c7fb323fb..3463b9e14418 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -354,34 +354,6 @@ void __init at91_ioremap_matrix(u32 base_addr)
 }
 
 #if defined(CONFIG_OF) && !defined(CONFIG_ARCH_AT91X40)
-static struct of_device_id rstc_ids[] = {
-	{ .compatible = "atmel,at91sam9260-rstc", .data = at91sam9_alt_restart },
-	{ .compatible = "atmel,at91sam9g45-rstc", .data = at91sam9g45_restart },
-	{ /*sentinel*/ }
-};
-
-static void at91_dt_rstc(void)
-{
-	struct device_node *np;
-	const struct of_device_id *of_id;
-
-	np = of_find_matching_node(NULL, rstc_ids);
-	if (!np)
-		panic(pr_fmt("unable to find compatible rstc node in dtb\n"));
-
-	at91_rstc_base = of_iomap(np, 0);
-	if (!at91_rstc_base)
-		panic(pr_fmt("unable to map rstc cpu registers\n"));
-
-	of_id = of_match_node(rstc_ids, np);
-	if (!of_id)
-		panic(pr_fmt("rtsc no restart function available\n"));
-
-	arm_pm_restart = of_id->data;
-
-	of_node_put(np);
-}
-
 static struct of_device_id ramc_ids[] = {
 	{ .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby },
 	{ .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby },
@@ -505,7 +477,6 @@ void __init at91rm9200_dt_initialize(void)
 
 void __init at91_dt_initialize(void)
 {
-	at91_dt_rstc();
 	at91_dt_ramc();
 	at91_dt_shdwc();
 
-- 
2.0.1

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