Messages in this thread | | | From | Ulf Hansson <> | Date | Mon, 22 May 2017 18:20:34 +0200 | Subject | Re: [PATCH] mmc: sdhci-iproc: suppress spurious interrupt with Multiblock read |
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On 22 May 2017 at 15:33, Srinath Mannam <srinath.mannam@broadcom.com> wrote: > On Mon, May 22, 2017 at 5:31 PM, Ulf Hansson <ulf.hansson@linaro.org> wrote: >> On 22 May 2017 at 13:52, Srinath Mannam <srinath.mannam@broadcom.com> wrote: >>> On Fri, May 19, 2017 at 11:55 AM, Adrian Hunter <adrian.hunter@intel.com> wrote: >>>> On 18/05/17 19:57, Srinath Mannam wrote: >>>>> The stingray SDHCI hardware supports ACMD12 and automatically >>>>> issues after multi block transfer completed. >>>>> >>>>> If ACMD12 in SDHCI is disabled, spurious tx done interrupts are seen >>>>> on multi block read command with below error message: >>>>> >>>>> Got data interrupt 0x00000002 even though no data >>>>> operation was in progress. >>>>> >>>>> This patch uses SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 to enable >>>>> ACM12 support in SDHCI hardware and suppress spurious interrupt. >>>>> >>>>> Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com> >>>>> Reviewed-by: Ray Jui <ray.jui@broadcom.com> >>>>> Reviewed-by: Scott Branden <scott.branden@broadcom.com> >>>> >>>> Acked-by: Adrian Hunter <adrian.hunter@intel.com> >>> >>> Thanks Adrian... >>> >>> Will it be possible to take this for Linux-4.12?? >> >> It's queued for 4.13, however are you saying it's a regression for >> 4.12? Then what commit fixes it? >> >> Perhaps you even want this to go stable? >> >> Kind regards >> Uffe > > Yes, this is regression for 4.12. > Fixes: b580c52d58d9 ("mmc: sdhci-iproc: add IPROC SDHCI driver") > Yes we want this to go in stable. >
Alright, applied for fixes and added a stable tag.
Kind regards Uffe
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