From: Vinod Koul <vinod.koul@intel.com>
To: "Wang, Annie" <Annie.Wang@amd.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
Borislav Petkov <bp@alien8.de>, "Huang, Ray" <Ray.Huang@amd.com>,
"Wan, Vincent" <Vincent.Wan@amd.com>,
"Xue, Ken" <Ken.Xue@amd.com>, "Li, Tony" <Tony.Li@amd.com>
Subject: Re: [PATCH 4/9] dmaengine: pl330: add new items for pl330 private data
Date: Fri, 11 Dec 2015 14:59:10 +0530 [thread overview]
Message-ID: <20151211092909.GW1854@localhost> (raw)
In-Reply-To: <BLUPR12MB0433B81BB0AEB2D84505B55881E90@BLUPR12MB0433.namprd12.prod.outlook.com>
On Thu, Dec 10, 2015 at 06:38:09AM +0000, Wang, Annie wrote:
> >
> >Why not DT or ACPI for this?
> >
> We choose to use private data, as pl330 already has struct dma_pl330_platdata.
> Physically DMA share ACPI device with UART, however, BIOS believes DMA and UART is one device.
> We can't get irq share info from ACPI. And we don't use DT.
>
That should be then a MFD device
--
~Vinod
next prev parent reply other threads:[~2015-12-11 9:26 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 3:24 [PATCH 0/9] 8250: AMD Carrizo UART PL300 DMA enablement Wang Hongcheng
2015-12-04 3:24 ` [PATCH 1/9] ACPI: Add support for AMBA bus type Wang Hongcheng
2015-12-04 8:50 ` Mika Westerberg
2015-12-04 9:17 ` Huang Rui
2015-12-04 9:42 ` Hanjun Guo
2015-12-04 9:59 ` G Gregory
2015-12-04 10:20 ` Huang Rui
2015-12-04 10:23 ` G Gregory
2015-12-04 3:24 ` [PATCH 2/9] 8250/Kconfig: add config option CONFIG_SERIAL_8250_AMD Wang Hongcheng
2015-12-04 11:11 ` Borislav Petkov
2015-12-04 3:24 ` [PATCH 3/9] ACPI: add struct acpi_amba_quirk for AMD pl330 specific device config Wang Hongcheng
2015-12-04 12:56 ` kbuild test robot
2015-12-04 13:16 ` Graeme Gregory
2015-12-11 6:57 ` Wang, Annie
2015-12-11 9:31 ` Vinod Koul
2015-12-04 3:24 ` [PATCH 4/9] dmaengine: pl330: add new items for pl330 private data Wang Hongcheng
2015-12-10 4:09 ` Vinod Koul
2015-12-10 6:38 ` Wang, Annie
2015-12-11 9:29 ` Vinod Koul [this message]
2015-12-11 13:56 ` Andy Shevchenko
2015-12-04 3:24 ` [PATCH 5/9] dmaengine: pl330: provide ACPI dmaengine interface Wang Hongcheng
2015-12-13 2:21 ` Andy Shevchenko
2015-12-04 3:24 ` [PATCH 6/9] dmaengine:pl330: set segment_boundary_mask = 0cffffffff Wang Hongcheng
2015-12-04 14:59 ` Robin Murphy
2015-12-04 3:24 ` [PATCH 7/9] Serial:8250: New Port Type PORT_AMD_8250 Wang Hongcheng
2015-12-13 2:30 ` Andy Shevchenko
2015-12-04 3:24 ` [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter description Wang Hongcheng
2015-12-04 12:21 ` Borislav Petkov
2015-12-04 13:19 ` Wan, Vincent
2015-12-04 14:38 ` Borislav Petkov
2015-12-04 3:24 ` [PATCH 9/9] iommu/amd: Add ACPI HID named devices IOMMU driver support Wang Hongcheng
2015-12-13 2:32 ` [PATCH 0/9] 8250: AMD Carrizo UART PL300 DMA enablement Andy Shevchenko
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