y@xxxxxxxxxxxx writes: > From: Shweta Gulati <shweta.gulati@xxxxxx> Please add descriptive changelog, including Erratta number and summary of the bug. > Signed-off-by: Shweta Gulati <shweta.gulati@xxxxxx> > --- > arch/arm/mach-omap2/pm34xx.c | 6 ++++++ > 1 files changed, 6 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c > index a9eda25..38f4781 100644 > --- a/arch/arm/mach-omap2/pm34xx.c > +++ b/arch/arm/mach-omap2/pm34xx.c > @@ -140,6 +140,12 @@ static void omap3_core_save_context(void) > omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_OFF); > control_padconf_off |= START_PADCONF_SAVE; > omap_ctrl_writel(control_padconf_off, OMAP343X_CONTROL_PADCONF_OFF); > + /* Due to Silicon Bug on context restore it is found > + * that the CONTROL_PAD_CONF_ETK14 register is not saved into > + * scratch pad memory sometimes. To rectify it delay acess by Mpu > + * for 300us for scm to finish saving task > + */ > + udelay(300); Why 300 usecs? Is ETK14 the only register not saved? > /* wait for the save to complete */ > while (!omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS) > & PADCONF_SAVE_DONE) And please describe why this loop doesn't work. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
