From mboxrd@z Thu Jan 1 00:00:00 1970 From: sshtylyov@mvista.com (Sergei Shtylyov) Date: Thu, 08 Sep 2011 15:10:30 +0400 Subject: [RFC PATCH 3/3] ARM: pxa/pj4: Port problematic pj4 support code to v7/Thumb-2 In-Reply-To: <1315411158-17479-4-git-send-email-dave.martin@linaro.org> References: <1315411158-17479-1-git-send-email-dave.martin@linaro.org> <1315411158-17479-4-git-send-email-dave.martin@linaro.org> Message-ID: <4E68A2A6.9080105@ru.mvista.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hello. On 07-09-2011 19:59, Dave Martin wrote: > The iwmmxt code contains some code to implement a pseudo-ISB, but > this is not buildable for Thumb-2. > This patch replaces the pseudo-ISB with a real one on v7 and above. > Signed-off-by: Dave Martin > --- > arch/arm/kernel/pj4-cp0.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > diff --git a/arch/arm/kernel/pj4-cp0.c b/arch/arm/kernel/pj4-cp0.c > index a4b1b07..5117d9d 100644 > --- a/arch/arm/kernel/pj4-cp0.c > +++ b/arch/arm/kernel/pj4-cp0.c > @@ -66,9 +66,13 @@ static void __init pj4_cp_access_write(u32 value) > > __asm__ __volatile__ ( > "mcr p15, 0, %1, c1, c0, 2\n\t" > +#ifdef __LINUX_ARM_ARCH__ >= 7 Maybe #if? WBR, Sergei