From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp08.au.ibm.com (e23smtp08.au.ibm.com [202.81.31.141]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 9F0681A0010 for ; Fri, 6 Jun 2014 18:44:21 +1000 (EST) Received: from /spool/local by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 6 Jun 2014 18:44:16 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 7D7FD2BB0052 for ; Fri, 6 Jun 2014 18:44:13 +1000 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s568MH1J47513624 for ; Fri, 6 Jun 2014 18:22:18 +1000 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s568iBJ2014015 for ; Fri, 6 Jun 2014 18:44:11 +1000 From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 2/6] powerpc/powernv: use it_page_shift in TCE build Date: Fri, 6 Jun 2014 18:44:02 +1000 Message-Id: <1402044246-13650-3-git-send-email-aik@ozlabs.ru> In-Reply-To: <1402044246-13650-1-git-send-email-aik@ozlabs.ru> References: <1402044246-13650-1-git-send-email-aik@ozlabs.ru> Cc: Alexey Kardashevskiy , Paul Mackerras , linux-kernel@vger.kernel.org, Alistair Popple List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This makes use of iommu_table::it_page_shift instead of TCE_SHIFT and TCE_RPN_SHIFT hardcoded values. Signed-off-by: Alexey Kardashevskiy --- arch/powerpc/platforms/powernv/pci.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 8518817..9f7c556 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -527,10 +527,11 @@ static int pnv_tce_build(struct iommu_table *tbl, long index, long npages, proto_tce |= TCE_PCI_WRITE; tces = tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset; - rpn = __pa(uaddr) >> TCE_SHIFT; + rpn = __pa(uaddr) >> tbl->it_page_shift; while (npages--) - *(tcep++) = cpu_to_be64(proto_tce | (rpn++ << TCE_RPN_SHIFT)); + *(tcep++) = cpu_to_be64(proto_tce | + (rpn++ << tbl->it_page_shift)); /* Some implementations won't cache invalid TCEs and thus may not * need that flush. We'll probably turn it_type into a bit mask -- 2.0.0