From: Jiri Kosina <jikos@kernel.org>
To: Even Xu <even.xu@intel.com>
Cc: srinivas.pandruvada@linux.intel.com,
benjamin.tissoires@redhat.com, linux-input@vger.kernel.org
Subject: Re: [PATCH 0/3] enable ISH DMA on EHL platform
Date: Mon, 14 Jun 2021 15:55:43 +0200 (CEST) [thread overview]
Message-ID: <nycvar.YFH.7.76.2106141555350.28378@cbobk.fhfr.pm> (raw)
In-Reply-To: <1623306114-19208-1-git-send-email-even.xu@intel.com>
On Thu, 10 Jun 2021, Even Xu wrote:
> These patch set are used for enabling ISH DMA on EHL platform.
>
> During ISH DMA enabling, some platforms (such as EHL) don't
> support cache snooping, bus driver (ishtp) has to involve
> a new callback, dma_no_cache_snooping(), in hardware layer (ipc)
> to get hardware DMA capability.
>
> When do cache flush, clflush_cache_range() API is used on X86
> which isn't supported by all other archs (such as ARM).
> Considering ISH only exists on Intel platforms, adding ISH
> depending on X86 in Kconfig to avoid build warnings or errors
> on other archs.
>
> Even Xu (3):
> hid: intel-ish-hid: Set ISH driver depends on x86
> hid: intel-ish-hid: ishtp: Add dma_no_cache_snooping() callback
> hid: intel-ish-hid: ipc: Specify that EHL no cache snooping
>
> drivers/hid/intel-ish-hid/Kconfig | 1 +
> drivers/hid/intel-ish-hid/ipc/ipc.c | 26 +++++++++++++++++++++++++-
> drivers/hid/intel-ish-hid/ishtp/client.c | 18 ++++++++++++++++++
> drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 1 +
> 4 files changed, 45 insertions(+), 1 deletion(-)
Now queued in for-5.14/intel-ish, thanks.
--
Jiri Kosina
SUSE Labs
next prev parent reply other threads:[~2021-06-14 13:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 6:21 [PATCH 0/3] enable ISH DMA on EHL platform Even Xu
2021-06-10 6:21 ` [PATCH 1/3] hid: intel-ish-hid: Set ISH driver depends on x86 Even Xu
2021-06-10 6:21 ` [PATCH 2/3] hid: intel-ish-hid: ishtp: Add dma_no_cache_snooping() callback Even Xu
2021-06-10 6:21 ` [PATCH 3/3] hid: intel-ish-hid: ipc: Specify that EHL no cache snooping Even Xu
2021-06-14 13:55 ` Jiri Kosina [this message]
2021-06-15 1:21 ` [PATCH 0/3] enable ISH DMA on EHL platform Xu, Even
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