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authorBen Dooks <ben-linux@fluff.org>2007-10-05 02:18:08 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-10-06 00:21:43 +0400
commit4afcddae4cc7d8bb36c1d47967d6ede29ea45e1a (patch)
treecb7f85b1b1e710c8b3836bb9b8d45ec844175e6d /arch
parent28047eced817b3b7cd404fac4b26f29fcf04f1f7 (diff)
downloadlinux-4afcddae4cc7d8bb36c1d47967d6ede29ea45e1a.tar.xz
[ARM] 4598/2: OSIRIS: Ensure we do not get nRSTOUT during suspend
Ensure nRSTOUT is not asserted during or on resume. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-s3c2440/mach-osiris.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index be5377f128c4..c326983f4a8f 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -287,6 +287,10 @@ static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state)
__raw_writeb(tmp, OSIRIS_VA_CTRL0);
+ /* ensure that an nRESET is not generated on resume. */
+ s3c2410_gpio_setpin(S3C2410_GPA21, 1);
+ s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_OUT);
+
return 0;
}
@@ -297,6 +301,8 @@ static int osiris_pm_resume(struct sys_device *sd)
__raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0);
+ s3c2410_gpio_cfgpin(S3C2410_GPA21, S3C2410_GPA21_nRSTOUT);
+
return 0;
}