From: Vicente <vicencb@gmail.com>
To: barebox@lists.infradead.org
Cc: Vicente <vicencb@gmail.com>
Subject: [PATCH 04/14] ARM: ensure irqs are disabled
Date: Tue, 9 Oct 2012 00:55:14 +0200 [thread overview]
Message-ID: <1349736924-24667-5-git-send-email-vicencb@gmail.com> (raw)
In-Reply-To: <1349736924-24667-1-git-send-email-vicencb@gmail.com>
Signed-off-by: Vicente <vicencb@gmail.com>
---
arch/arm/cpu/cpu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/cpu/cpu.c b/arch/arm/cpu/cpu.c
index 87ba877..7991c7a 100644
--- a/arch/arm/cpu/cpu.c
+++ b/arch/arm/cpu/cpu.c
@@ -28,6 +28,7 @@
#include <asm/mmu.h>
#include <asm/system.h>
#include <asm/memory.h>
+#include <asm/irqflags.h>
/**
* Enable processor's instruction cache
@@ -85,6 +86,12 @@ void arch_shutdown(void)
: "r0", "r1", "r2", "r3", "r6", "r10", "r12", "lr", "cc", "memory"
);
#endif
+ /*
+ * barebox normally does not use interrupts, but some functionalities
+ * (eg. OMAP4_USBBOOT) require them enabled. So be sure interrupts are
+ * disabled before exiting.
+ */
+ arch_local_irq_disable();
}
#ifdef CONFIG_THUMB2_BAREBOX
--
1.7.12.2
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next prev parent reply other threads:[~2012-10-08 22:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-08 22:55 [PATCH 00/14] archosg9: add support for tablet Vicente
2012-10-08 22:55 ` [PATCH 01/14] twl6030: add debug info Vicente
2012-10-08 22:55 ` [PATCH 02/14] omap4: add rename definitions to match datasheet Vicente
2012-10-08 22:55 ` [PATCH 03/14] ARM: import irq handling from linux Vicente
2012-10-08 22:55 ` Vicente [this message]
2012-10-08 22:55 ` [PATCH 05/14] omap: revert gpiolib Vicente
2012-10-08 22:55 ` [PATCH 06/14] omap4: add usb boot source Vicente
2012-10-08 22:55 ` [PATCH 07/14] bootm: close open files Vicente
2012-10-08 22:55 ` [PATCH 08/14] uimage: improve transfer speed Vicente
2012-10-08 22:55 ` [PATCH 09/14] fs: improve robustness Vicente
2012-10-08 22:55 ` [PATCH 10/14] omap4: add support for booting cpu from usb Vicente
2012-10-08 22:55 ` [PATCH 11/14] omap4: add serial communications over usb boot Vicente
2012-10-08 22:55 ` [PATCH 12/14] omap4: add filesystem support " Vicente
2012-10-08 22:55 ` [PATCH 13/14] omap4: add support for loading second stage from usb Vicente
2012-10-08 22:55 ` [PATCH 14/14] Add support for Archos G9 tablet Vicente
2012-10-19 11:10 ` Jan Weitzel
2012-10-21 1:00 ` vj
2012-10-22 6:50 ` Jan Weitzel
2012-10-10 7:40 ` [PATCH 00/14] archosg9: add support for tablet Sascha Hauer
[not found] ` <CAAMcf8D0Xn6aWztkD=8dnv3P1qxNgxSV-2Q37kGOaRsOQE7xVA@mail.gmail.com>
2012-10-10 9:32 ` Sascha Hauer
2012-10-12 1:12 ` vj
[not found] ` <CAAMcf8CLimKWZddBfctSCct0wOJOk7tgTJpM7m_w8h5dOQRt1Q@mail.gmail.com>
2012-10-12 8:39 ` Sascha Hauer
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