From: Arnd Bergmann <arnd@arndb.de>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Chris Ball <chris@printf.net>,
linux-mmc <linux-mmc@vger.kernel.org>
Subject: Re: [PATCH 00/15] mmc: sdhci: Add 64-bit ADMA support
Date: Thu, 30 Oct 2014 13:15:02 +0100 [thread overview]
Message-ID: <2048776.ZjHxKvTX0Z@wuerfel> (raw)
In-Reply-To: <54521813.9050308@intel.com>
On Thursday 30 October 2014 12:50:59 Adrian Hunter wrote:
> On 30/10/14 12:00, Arnd Bergmann wrote:
> >
> > You also said that the flag is defined to mean that 64-bit DMA
> > is working and that you want to show the warning when the hardware
> > and the firmware disagree about this. If you have an (at least)
> > 50% chance that the hardware is lying, you really shouldn't believe
> > it.
>
> Just because there are two options does not mean they are each equally
> likely.
>
Yes, that's why I said "at least". Presumably when the hardware and
firmware disagree about something, it's because the firmware developer
found a problem with the hardware and wants to work around that.
Arnd
next prev parent reply other threads:[~2014-10-30 12:15 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-21 9:26 [PATCH 00/15] mmc: sdhci: Add 64-bit ADMA support Adrian Hunter
2014-10-21 9:26 ` [PATCH 01/15] mmc: sdhci: Fix incorrect ADMA2 descriptor table size Adrian Hunter
2014-10-21 9:26 ` [PATCH 02/15] mmc: sdhci: Fix ADMA page boundary warnings Adrian Hunter
2014-10-21 9:26 ` [PATCH 03/15] mmc: sdhci: Fix ADMA table size warning Adrian Hunter
2014-10-21 9:26 ` [PATCH 04/15] mmc: sdhci: Rename two ADMA-related functions for consistency Adrian Hunter
2014-10-21 9:26 ` [PATCH 05/15] mmc: sdhci: Rename adma_desc to adma_table Adrian Hunter
2014-10-21 9:26 ` [PATCH 06/15] mmc: sdhci: Add sdhci_adma_mark_end() Adrian Hunter
2014-10-21 9:26 ` [PATCH 07/15] mmc: sdhci: Use 'void *' for not 'u8 *' for ADMA data Adrian Hunter
2014-10-21 9:26 ` [PATCH 08/15] mmc: sdhci: Parameterize ADMA sizes and alignment Adrian Hunter
2014-10-21 9:26 ` [PATCH 09/15] mmc: sdhci: Define maximum segments Adrian Hunter
2014-10-21 9:26 ` [PATCH 10/15] mmc: sdhci: Define ADMA constants Adrian Hunter
2014-10-21 9:26 ` [PATCH 11/15] mmc: sdhci: Define ADMA descriptor structure Adrian Hunter
2014-10-21 9:26 ` [PATCH 12/15] mmc: sdhci: Add 64-bit ADMA support Adrian Hunter
2014-10-21 9:26 ` [PATCH 13/15] mmc: sdhci-acpi: Add 64-bit DMA support Adrian Hunter
2014-10-21 9:33 ` Arnd Bergmann
2014-10-21 10:45 ` Adrian Hunter
2014-10-21 11:05 ` Arnd Bergmann
2014-10-28 8:37 ` [PATCH V2] " Adrian Hunter
2014-10-28 9:43 ` Arnd Bergmann
2014-10-28 10:05 ` Adrian Hunter
2014-10-28 10:18 ` Arnd Bergmann
2014-10-28 11:41 ` Adrian Hunter
2014-10-28 13:54 ` Arnd Bergmann
2014-10-28 14:14 ` Adrian Hunter
2014-10-28 15:08 ` Arnd Bergmann
2014-10-28 15:14 ` Adrian Hunter
2014-10-28 15:38 ` Arnd Bergmann
2014-10-29 8:53 ` Adrian Hunter
2014-10-21 9:26 ` [PATCH 14/15] mmc: sdhci-pci: " Adrian Hunter
2014-10-21 9:26 ` [PATCH 15/15] mmc: mmc_test: Extend "Badly aligned" tests for 8-byte alignment Adrian Hunter
2014-10-30 7:25 ` [PATCH 00/15] mmc: sdhci: Add 64-bit ADMA support Adrian Hunter
2014-10-30 8:05 ` Arnd Bergmann
2014-10-30 8:40 ` Adrian Hunter
2014-10-30 10:00 ` Arnd Bergmann
2014-10-30 10:50 ` Adrian Hunter
2014-10-30 12:15 ` Arnd Bergmann [this message]
2014-10-30 12:55 ` Adrian Hunter
2014-11-03 8:28 ` Adrian Hunter
2014-11-03 14:40 ` Ulf Hansson
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