[PATCH 2/2] ARM: imx6: mark GPC node as not populated after irq init to probe pm domain driver

From	Philipp Zabel <p.zabel@pengutronix.de>
Newsgroups	linux.kernel
Subject	[PATCH 2/2] ARM: imx6: mark GPC node as not populated after irq init to probe pm domain driver
Date	2016-08-09 16:20 +0200
Message-ID	<s4g2R-fu-3@gated-at.bofh.it> (permalink)
References	<s4g2R-fu-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

Since IRQCHIP_DECLARE now flags the GPC node as already populated, the
GPC power domain driver is never probed unless we clear the flag again.

Fixes: 15cc2ed6dcf9 ("of/irq: Mark initialised interrupt controllers as populated")
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Jon Hunter <jonathanh@nvidia.com>
---
 arch/arm/mach-imx/gpc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index fd87205..0df062d 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -271,6 +271,12 @@ static int __init imx_gpc_init(struct device_node *node,
 	for (i = 0; i < IMR_NUM; i++)
 		writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);
 
+	/*
+	 * Clear the OF_POPULATED flag set in of_irq_init so that
+	 * later the GPC power domain driver will not be skipped.
+	 */
+	of_node_clear_flag(node, OF_POPULATED);
+
 	return 0;
 }
 IRQCHIP_DECLARE(imx_gpc, "fsl,imx6q-gpc", imx_gpc_init);
-- 
2.8.1

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH 2/2] ARM: imx6: mark GPC node as not populated after irq init to probe pm domain driver Philipp Zabel <p.zabel@pengutronix.de> - 2016-08-09 16:20 +0200
  Re: [PATCH 2/2] ARM: imx6: mark GPC node as not populated after irq  init to probe pm domain driver Rob Herring <robh@kernel.org> - 2016-08-09 19:40 +0200

csiph-web