RE: [PATCHv7 12/12] misc: pci_endpoint_test: Add driver data for Layerscape PCIe controllers

Hi Rob,

Thanks a lot for your review and ack!

Regards,
Zhiqiang

-----Original Message-----
From: Rob Herring <robh@kernel.org>
Sent: 2020年9月11日 2:18
To: Z.q. Hou <zhiqiang.hou@nxp.com>
Cc: bhelgaas@google.com; shawnguo@kernel.org; M.h. Lian
[off-list ref]; Leo Li [off-list ref];
linuxppc-dev@lists.ozlabs.org; robh+dt@kernel.org;
linux-arm-kernel@lists.infradead.org; Roy Zang [off-list ref];
andrew.murray@arm.com; linux-pci@vger.kernel.org;
lorenzo.pieralisi@arm.com; gustavo.pimentel@synopsys.com; Mingkai Hu
[off-list ref]; linux-kernel@vger.kernel.org;
jingoohan1@gmail.com; kishon@ti.com; devicetree@vger.kernel.org
Subject: Re: [PATCHv7 12/12] misc: pci_endpoint_test: Add driver data for
Layerscape PCIe controllers

On Tue, 11 Aug 2020 17:54:41 +0800, Zhiqiang Hou wrote:

quoted

From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

The commit 0a121f9bc3f5 ("misc: pci_endpoint_test: Use streaming DMA
APIs for buffer allocation") changed to use streaming DMA APIs,
however,
dma_map_single() might not return a 4KB aligned address, so add the
default_data as driver data for Layerscape PCIe controllers to make it
4KB aligned.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
---
V7:
 - New patch.

 drivers/misc/pci_endpoint_test.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Acked-by: Rob Herring <robh@kernel.org>