From: Christoph Hellwig <hch@lst.de>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>,
Linus Walleij <linus.walleij@linaro.org>,
Greg KH <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>, Haibo Chen <haibo.chen@nxp.com>,
Adrian Hunter <adrian.hunter@intel.com>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>
Subject: Re: [PATCH v4 14/14] mmc: queue: create dev->dma_parms before call dma_set_max_seg_size()
Date: Fri, 6 Mar 2020 15:19:50 +0100 [thread overview]
Message-ID: <20200306141950.GA1017@lst.de> (raw)
In-Reply-To: <CAPDyKFovCm5r7J4pQNfV21KiyAC+VGHvowddgkdzkSE4f3UnGA@mail.gmail.com>
On Fri, Mar 06, 2020 at 03:02:09PM +0100, Ulf Hansson wrote:
> That makes sense to me, but we also have other bus types to consider,
> like the amba bus for example.
>
> So, in principle, those buses that may get DMA capable devices
> attached, needs to do the allocation, that's what you are proposing?
Having a dma_params allocated doesn't mean all devices are dma capable,
for example there are PCI devices that aren't as well.
next prev parent reply other threads:[~2020-03-06 14:19 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-19 8:25 [PATCH v4 06/14] mmc: sdhci-esdhc-imx: add strobe-dll-delay-target support haibo.chen
2020-02-19 8:25 ` [PATCH v4 07/14] mmc: sdhci-esdhc-imx: optimize the clock setting haibo.chen
2020-02-19 8:25 ` [PATCH v4 08/14] mmc: sdhci-esdhc-imx: optimize the strobe dll setting haibo.chen
2020-02-19 8:25 ` [PATCH v4 09/14] mmc: sdhci-esdhc-imx: add flag ESDHC_FLAG_BROKEN_AUTO_CMD23 haibo.chen
2020-02-19 8:25 ` [PATCH v4 10/14] mmc: sdhci-esdhc-imx: Add an new esdhc_soc_data for i.MX8MM haibo.chen
2020-02-19 8:25 ` [PATCH v4 11/14] mmc: sdhci-esdhc-imx: clear pending interrupt and halt cqhci haibo.chen
2020-02-19 8:25 ` [PATCH v4 12/14] mmc: sdhci-esdhc-imx: clear DMA_SEL when disable DMA mode haibo.chen
2020-02-19 8:25 ` [PATCH v4 13/14] mmc: sdhci-esdhc-imx: restore pin state when resume back haibo.chen
2020-02-19 8:25 ` [PATCH v4 14/14] mmc: queue: create dev->dma_parms before call dma_set_max_seg_size() haibo.chen
2020-03-04 13:32 ` Ulf Hansson
2020-03-04 16:28 ` Christoph Hellwig
2020-03-05 10:52 ` Ulf Hansson
2020-03-05 15:22 ` Christoph Hellwig
2020-03-05 14:29 ` Linus Walleij
2020-03-05 14:45 ` Arnd Bergmann
2020-03-05 15:03 ` Linus Walleij
2020-03-05 15:31 ` Arnd Bergmann
2020-03-05 15:23 ` Christoph Hellwig
2020-03-06 14:02 ` Ulf Hansson
2020-03-06 14:19 ` Christoph Hellwig [this message]
2020-03-11 9:31 ` Ulf Hansson
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