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From: Nishanth Aravamudan <nacc@us.ibm.com>
To: nacc@us.ibm.com
Cc: Milton Miller <miltonm@bga.com>,
	Paul Mackerras <paulus@samba.org>,
	Brian King <brking@linux.vnet.ibm.com>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 15/15] ppc/vio: ensure dma_coherent_mask is set
Date: Wed, 15 Sep 2010 11:05:58 -0700	[thread overview]
Message-ID: <1284573958-8397-16-git-send-email-nacc@us.ibm.com> (raw)
In-Reply-To: <1284573958-8397-1-git-send-email-nacc@us.ibm.com>

Without this change drivers, such as ibmvscsi, fail to load with the
previous change.
---
 arch/powerpc/kernel/vio.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 3c3083f..e8d73de 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1259,6 +1259,9 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 	viodev->dev.parent = &vio_bus_device.dev;
 	viodev->dev.bus = &vio_bus_type;
 	viodev->dev.release = vio_dev_release;
+        /* needed to ensure proper operation of coherent allocations
+         * later, in case driver doesn't set it explicitly */
+        dma_set_coherent_mask(&viodev->dev, DMA_BIT_MASK(64));
 
 	/* register with generic device framework */
 	if (device_register(&viodev->dev)) {
-- 
1.7.0.4

  parent reply	other threads:[~2010-09-15 18:07 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1284573958-8397-1-git-send-email-nacc@us.ibm.com>
2010-09-15 18:05 ` [PATCH 02/15] ppc64: fix dma_iommu_dma_supported compare Nishanth Aravamudan
2010-09-15 18:05 ` [PATCH 03/15] ppc64 iommu: fix check for direct DMA support Nishanth Aravamudan
2010-09-15 18:05 ` [PATCH 04/15] vio: put device on device_register failure Nishanth Aravamudan
2010-09-15 18:29   ` Grant Likely
2010-09-15 18:05 ` [PATCH 05/15] viobus: free TCE table on device release Nishanth Aravamudan
2010-09-15 18:05 ` [PATCH 06/15] pseries/dlpar: use kmemdup Nishanth Aravamudan
2010-09-15 18:05 ` [PATCH 07/15] ppc: pci-common cleanup Nishanth Aravamudan
2010-09-15 18:30   ` Grant Likely
2010-09-15 18:05 ` [PATCH 09/15] ppc/vio: use dma ops helpers Nishanth Aravamudan
2010-09-15 18:33   ` Grant Likely
2010-10-13  4:56     ` Benjamin Herrenschmidt
2010-10-13 17:43       ` Nishanth Aravamudan
2010-09-15 18:05 ` [PATCH 10/15] ppc/pasemi: clean up pasemi iommu table initializations Nishanth Aravamudan
2010-09-15 18:29   ` Olof Johansson
2010-09-15 18:05 ` [PATCH 11/15] ppc/cell: beat dma ops cleanup Nishanth Aravamudan
2010-09-16 11:23   ` Arnd Bergmann
2010-09-15 18:05 ` [PATCH 12/15] ppc/dart: iommu table cleanup Nishanth Aravamudan
2010-09-15 18:05 ` [PATCH 13/15] ppc/pseries: iommu cleanup Nishanth Aravamudan
     [not found]   ` <1284573958-8397-14-git-send-email-nacc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2010-09-15 18:34     ` Grant Likely
2010-09-15 18:34       ` Grant Likely
2010-09-15 18:05 ` [PATCH 14/15] ppc64 iommu: use coherent_dma_mask for alloc_coherent Nishanth Aravamudan
2010-11-29  0:58   ` Benjamin Herrenschmidt
2010-12-01  0:31     ` Nishanth Aravamudan
2010-09-15 18:05 ` Nishanth Aravamudan [this message]
2010-09-15 18:37   ` [PATCH 15/15] ppc/vio: ensure dma_coherent_mask is set Grant Likely
2010-09-15 18:44     ` Nishanth Aravamudan
2010-09-15 18:49       ` Grant Likely
2010-11-29  1:02   ` Benjamin Herrenschmidt
2010-11-29 19:46     ` Nishanth Aravamudan
2010-11-29 20:25       ` Benjamin Herrenschmidt
2010-09-15 18:13 ` [PATCH 01/15] ppc: fix return type of BUID_{HI,LO} macros Nishanth Aravamudan
2010-09-16 22:54   ` Linas Vepstas
2010-09-16 23:04     ` Scott Wood

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