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From: Manivannan Sadhasivam <mani@kernel.org>
To: Paul Davey <paul.davey@alliedtelesis.co.nz>
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] bus: mhi: Fix MHI on big endian architectures
Date: Fri, 18 Jun 2021 11:14:48 +0530	[thread overview]
Message-ID: <20210618054448.GI3682@workstation> (raw)
In-Reply-To: <20210618033132.24839-1-paul.davey@alliedtelesis.co.nz>

On Fri, Jun 18, 2021 at 03:31:30PM +1200, Paul Davey wrote:
> I encountered some problems getting the MHI driver to work on an Octeon
> 3 platform these seem to all be related to endianness issues.  The modem
> interface appears to require the DMA structures to be in little endian,
> however the MHI core driver was assembling them in native endianness.
> 

So glad to see MHI being used on big endian architectures :)

Thanks,
Mani

> Using little endian explicitly allows the interface to function as
> expected.
> 
> Paul Davey (2):
>   bus: mhi: Fix pm_state conversion to string
>   bus: mhi: Fix MHI DMA structure endianness
> 
>  drivers/bus/mhi/core/debugfs.c  |  26 +++----
>  drivers/bus/mhi/core/init.c     |  39 +++++-----
>  drivers/bus/mhi/core/internal.h | 129 ++++++++++++++++----------------
>  drivers/bus/mhi/core/main.c     |  36 ++++-----
>  drivers/bus/mhi/core/pm.c       |   8 +-
>  5 files changed, 121 insertions(+), 117 deletions(-)
> 
> -- 
> 2.32.0
> 

      parent reply	other threads:[~2021-06-18  5:44 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-18  3:31 [PATCH 0/2] bus: mhi: Fix MHI on big endian architectures Paul Davey
2021-06-18  3:31 ` [PATCH 1/2] bus: mhi: Fix pm_state conversion to string Paul Davey
2021-06-18  6:12   ` Manivannan Sadhasivam
2021-06-18 21:41   ` Hemant Kumar
2021-06-18  3:31 ` [PATCH 2/2] bus: mhi: Fix MHI DMA structure endianness Paul Davey
2021-06-18  6:29   ` Manivannan Sadhasivam
2021-06-18  6:32     ` Manivannan Sadhasivam
2021-06-22  1:31       ` Bhaumik Bhatt
2021-06-18  5:44 ` Manivannan Sadhasivam [this message]

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