lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 13 Dec 2011 07:31:41 +0100
From:	Eric Bénard <eric@...rea.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Jason Liu <jason.hui@...aro.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Russell King <linux@....linux.org.uk> (maintainer:ARM PORT),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 09/19] clock-imx35: fix reboot in internal boot mode

commit 8d75a2620dc3e33ce504044c375c443ed7ed4128 disable IIM
clock after reading silicon revision which will prevent
reboot in internal boot mode (see comment a few line before)

Signed-off-by: Eric Bénard <eric@...rea.com>
Cc: Jason Liu <jason.hui@...aro.org>
Cc: Sascha Hauer <kernel@...gutronix.de>
---
 arch/arm/mach-imx/clock-imx35.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 8116f11..b49a732 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -538,7 +538,10 @@ int __init mx35_clocks_init()
 
 	clk_enable(&iim_clk);
 	imx_print_silicon_rev("i.MX35", mx35_revision());
-	clk_disable(&iim_clk);
+	/* Don't disable IIM clock if we came up in internal boot mode */
+	if (__raw_readl(CCM_BASE + CCM_RCSR) & (3 << 10)) {
+		clk_disable(&iim_clk);
+	}
 
 #ifdef CONFIG_MXC_USE_EPIT
 	epit_timer_init(&epit1_clk,
-- 
1.7.6.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists