From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh.shilimkar@ti.com (Santosh Shilimkar) Date: Wed, 27 Apr 2011 18:24:55 +0530 Subject: [PATCH] ARM: cache-l2x0: fix wrong print of AUX_CTRL register In-Reply-To: <1303907194-3121-1-git-send-email-srinidhi.kasagar@stericsson.com> References: <1303907194-3121-1-git-send-email-srinidhi.kasagar@stericsson.com> Message-ID: <4DB8121F.5070204@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 4/27/2011 5:56 PM, srinidhi kasagar wrote: > On platforms where l2x0 is already enabled and configured > by the secure code, printing the masked value of the > AUX_CTRL register seems to be wrong and differ from the > programmed value. > > Fix it by reading the AUX_CTRL register again. > > Signed-off-by: srinidhi kasagar > Signed-off-by: Vijaya Kumar Kilari > --- > arch/arm/mm/cache-l2x0.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c > index ef59099..d07f8cb 100644 > --- a/arch/arm/mm/cache-l2x0.c > +++ b/arch/arm/mm/cache-l2x0.c > @@ -340,6 +340,8 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) > outer_cache.disable = l2x0_disable; > outer_cache.set_debug = l2x0_set_debug; > > + aux = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); > + Can you not read this register in your machine code and pass the right 'aux_val' as part of l2x0_init() ? Regards Santosh