From: Vinod Koul <vkoul@kernel.org>
To: Gustavo Pimentel <Gustavo.Pimentel@synopsys.com>
Cc: Dan Williams <dan.j.williams@intel.com>,
Bjorn Helgaas <bhelgaas@google.com>,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pci@vger.kernel.org
Subject: Re: [PATCH 00/15] dmaengine: dw-edma: HDMA support
Date: Mon, 1 Feb 2021 12:46:52 +0530 [thread overview]
Message-ID: <20210201071652.GN2771@vkoul-mobl> (raw)
In-Reply-To: <cover.1608053262.git.gustavo.pimentel@synopsys.com>
On 15-12-20, 18:30, Gustavo Pimentel wrote:
> This patch series adds the HDMA support, as long the IP design has set
> the compatible register map parameter, which allows compatibility at
> some degree for the existing Synopsys DesignWare eDMA driver that is
> already available on the Kernel.
>
> The HDMA "Hyper-DMA" IP is an enhancement of the eDMA "embedded-DMA" IP.
>
> This new improvement comes with a PCI DVSEC that allows to the driver
> recognize and switch behavior if it's an eDMA or an HDMA, becoming
> retrocompatible, in the absence of this DVSEC, the driver will assume
> that is an eDMA IP.
>
> It also adds the interleaved support, since it will be similar to the
> current scatter-gather implementation.
>
> As well fixes/improves some abnormal behaviors not detected before, such as:
> - crash on loading/unloading driver
> - memory space definition for the data area and for the linked list space
> - scatter-gather address calculation on 32 bits platforms
> - minor comment and variable reordering
>
> Cc: Vinod Koul <vkoul@kernel.org>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: dmaengine@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-pci@vger.kernel.org
>
> Gustavo Pimentel (15):
> dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures
> dmaengine: dw-edma: Fix comments offset characters' alignment
> dmaengine: dw-edma: Add support for the HDMA feature
> PCI: Add pci_find_vsec_capability() to find a specific VSEC
Had this been picked up.. I see we have dependency on pci patch for this
series..
> dmaengine: dw-edma: Add PCIe VSEC data retrieval support
> dmaengine: dw-edma: Add device_prep_interleave_dma() support
> dmaengine: dw-edma: Improve number of channels check
> dmaengine: dw-edma: Reorder variables to keep consistency
> dmaengine: dw-edma: Improve the linked list and data blocks definition
> dmaengine: dw-edma: Change linked list and data blocks offset and
> sizes
> dmaengine: dw-edma: Move struct dentry variable from static definition
> into dw_edma struct
> dmaengine: dw-edma: Fix crash on loading/unloading driver
> dmaengine: dw-edma: Change DMA abreviation from lower into upper case
> dmaengine: dw-edma: Revert fix scatter-gather address calculation
> dmaengine: dw-edma: Add pcim_iomap_table return checker
>
> drivers/dma/dw-edma/dw-edma-core.c | 178 +++++++++++-------
> drivers/dma/dw-edma/dw-edma-core.h | 37 ++--
> drivers/dma/dw-edma/dw-edma-pcie.c | 275 +++++++++++++++++++++-------
> drivers/dma/dw-edma/dw-edma-v0-core.c | 300 ++++++++++++++++++++++++-------
> drivers/dma/dw-edma/dw-edma-v0-core.h | 2 +-
> drivers/dma/dw-edma/dw-edma-v0-debugfs.c | 77 ++++----
> drivers/dma/dw-edma/dw-edma-v0-debugfs.h | 4 +-
> drivers/dma/dw-edma/dw-edma-v0-regs.h | 291 +++++++++++++++++++-----------
> drivers/pci/pci.c | 29 +++
> include/linux/pci.h | 1 +
> include/uapi/linux/pci_regs.h | 5 +
> 11 files changed, 844 insertions(+), 355 deletions(-)
>
> --
> 2.7.4
--
~Vinod
prev parent reply other threads:[~2021-02-01 7:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-15 17:30 [PATCH 00/15] dmaengine: dw-edma: HDMA support Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 01/15] dmaengine: dw-edma: Add writeq() and readq() for 64 bits architectures Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 02/15] dmaengine: dw-edma: Fix comments offset characters' alignment Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 03/15] dmaengine: dw-edma: Add support for the HDMA feature Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 04/15] PCI: Add pci_find_vsec_capability() to find a specific VSEC Gustavo Pimentel
2021-02-01 22:39 ` Bjorn Helgaas
2021-02-01 23:24 ` Dan Williams
2021-02-01 23:29 ` Ben Widawsky
2021-02-02 12:25 ` Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 05/15] dmaengine: dw-edma: Add PCIe VSEC data retrieval support Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 06/15] dmaengine: dw-edma: Add device_prep_interleave_dma() support Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 07/15] dmaengine: dw-edma: Improve number of channels check Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 08/15] dmaengine: dw-edma: Reorder variables to keep consistency Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 09/15] dmaengine: dw-edma: Improve the linked list and data blocks definition Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 10/15] dmaengine: dw-edma: Change linked list and data blocks offset and sizes Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 11/15] dmaengine: dw-edma: Move struct dentry variable from static definition into dw_edma struct Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 12/15] dmaengine: dw-edma: Fix crash on loading/unloading driver Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 13/15] dmaengine: dw-edma: Change DMA abreviation from lower into upper case Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 14/15] dmaengine: dw-edma: Revert fix scatter-gather address calculation Gustavo Pimentel
2020-12-15 17:30 ` [PATCH 15/15] dmaengine: dw-edma: Add pcim_iomap_table return checker Gustavo Pimentel
2021-02-01 7:16 ` Vinod Koul [this message]
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