From: Ben Dooks Date: Thu, 4 Oct 2007 22:18:08 +0000 (+0100) Subject: [ARM] 4598/2: OSIRIS: Ensure we do not get nRSTOUT during suspend X-Git-Tag: firefly_0821_release~26364^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4afcddae4cc7d8bb36c1d47967d6ede29ea45e1a;p=firefly-linux-kernel-4.4.55.git [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 Signed-off-by: Russell King --- 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; }