From: Christoph Hellwig <hch@lst.de>
To: Nipun Gupta <nipun.gupta@nxp.com>
Cc: robin.murphy@arm.com, hch@lst.de, linux@armlinux.org.uk,
gregkh@linuxfoundation.org, m.szyprowski@samsung.com,
bhelgaas@google.com, zajec5@gmail.com, andy.gross@linaro.org,
david.brown@linaro.org, dan.j.williams@intel.com,
vinod.koul@intel.com, thierry.reding@gmail.com,
robh+dt@kernel.org, frowand.list@gmail.com,
jarkko.sakkinen@linux.intel.com, rafael.j.wysocki@intel.com,
dmitry.torokhov@gmail.com, johan@kernel.org, msuchanek@suse.de,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-soc@vger.kernel.org, dmaengine@vger.kernel.org,
dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org,
devicetree@vger.kernel.org, linux-pci@vger.kernel.org,
bharat.bhushan@nxp.com, leoyang.li@nxp.com
Subject: Re: [PATCH v2 2/2] drivers: remove force dma flag from buses
Date: Thu, 22 Mar 2018 09:19:26 +0100 [thread overview]
Message-ID: <20180322081926.GC29444@lst.de> (raw)
In-Reply-To: <1521615323-4752-2-git-send-email-nipun.gupta@nxp.com>
> --- a/drivers/dma/qcom/hidma_mgmt.c
> +++ b/drivers/dma/qcom/hidma_mgmt.c
> @@ -398,7 +398,7 @@ static int __init hidma_mgmt_of_populate_channels(struct device_node *np)
> }
> of_node_get(child);
> new_pdev->dev.of_node = child;
> - of_dma_configure(&new_pdev->dev, child);
> + of_dma_configure(&new_pdev->dev, child, true);
> /*
> * It is assumed that calling of_msi_configure is safe on
> * platforms with or without MSI support.
Where did we mark this bus as force_dma before?
> diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
> index 9a4f4246..895c83e 100644
> --- a/drivers/of/of_reserved_mem.c
> +++ b/drivers/of/of_reserved_mem.c
> @@ -353,7 +353,7 @@ int of_reserved_mem_device_init_by_idx(struct device *dev,
> /* ensure that dma_ops is set for virtual devices
> * using reserved memory
> */
> - of_dma_configure(dev, np);
> + of_dma_configure(dev, np, true);
Did all the callers of this one really force dma? I have a hard time
untangling the call stacks unfortunately.
next prev parent reply other threads:[~2018-03-22 8:19 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-12 15:24 [PATCH] dma-mapping: move dma configuration to bus infrastructure Nipun Gupta
2018-03-12 16:44 ` Sinan Kaya
2018-03-13 4:22 ` Nipun Gupta
2018-03-13 7:27 ` hch
2018-03-13 7:34 ` Christoph Hellwig
2018-03-13 15:59 ` Nipun Gupta
2018-03-14 9:03 ` Christoph Hellwig
2018-03-13 11:35 ` Robin Murphy
2018-03-13 16:11 ` Nipun Gupta
2018-03-14 9:02 ` Christoph Hellwig
2018-03-13 21:53 ` kbuild test robot
2018-03-13 21:53 ` [RFC PATCH] dma-mapping: platform_dma_configure() can be static kbuild test robot
2018-03-14 5:48 ` [dma] 9a019f4251: BUG:unable_to_handle_kernel kernel test robot
2018-03-21 6:55 ` [PATCH v2 1/2] dma-mapping: move dma configuration to bus infrastructure Nipun Gupta
2018-03-21 6:55 ` [PATCH v2 2/2] drivers: remove force dma flag from buses Nipun Gupta
2018-03-21 9:35 ` Greg KH
2018-03-21 16:28 ` Nipun Gupta
2018-03-21 17:49 ` Greg KH
2018-03-22 8:19 ` Christoph Hellwig [this message]
2018-03-22 15:13 ` Nipun Gupta
2018-03-23 16:09 ` kbuild test robot
2018-03-23 17:41 ` kbuild test robot
2018-03-21 7:19 ` [PATCH v2 1/2] dma-mapping: move dma configuration to bus infrastructure Bharat Bhushan
2018-03-21 7:29 ` Nipun Gupta
2018-03-22 8:17 ` hch
2018-03-21 9:29 ` Greg KH
2018-03-21 16:13 ` Nipun Gupta
2018-03-22 8:15 ` Christoph Hellwig
2018-03-22 15:05 ` Nipun Gupta
2018-03-24 9:25 ` kbuild test robot
2018-03-30 7:15 ` [PATCH] " Christoph Hellwig
2018-03-30 7:17 ` Nipun Gupta
2018-03-30 9:05 ` Greg KH
2018-03-30 7:54 ` [PATCH v3 1/2] " Nipun Gupta
2018-03-30 7:54 ` [PATCH v3 2/2] drivers: remove force dma flag from buses Nipun Gupta
2018-04-09 20:27 ` Rob Herring
2018-04-10 19:21 ` Bjorn Helgaas
2018-04-10 19:20 ` [PATCH v3 1/2] dma-mapping: move dma configuration to bus infrastructure Bjorn Helgaas
2018-04-23 12:56 ` Christoph Hellwig
2018-04-23 12:56 ` Christoph Hellwig
2018-04-27 17:10 ` Nipun Gupta
2018-04-28 2:51 ` [PATCH v4 " Nipun Gupta
2018-04-28 2:51 ` [PATCH v4 2/2] drivers: remove force dma flag from buses Nipun Gupta
2018-05-01 12:34 ` Rob Herring
2018-05-03 16:36 ` Vinod Koul
2018-04-30 10:41 ` [PATCH v4 1/2] dma-mapping: move dma configuration to bus infrastructure Thierry Reding
2018-05-03 12:21 ` Christoph Hellwig
2018-05-03 12:21 ` Christoph Hellwig
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