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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Oreoluwa Babatunde <oreoluwa.babatunde@oss.qualcomm.com>,
	Georgi Djakov <georgi.djakov@oss.qualcomm.com>
Cc: andersson@kernel.org, konradybcio@kernel.org,
	abelvesa@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
	conor+dt@kernel.org, minchan@kernel.org,
	senozhatsky@chromium.org, axboe@kernel.dk, rostedt@goodmis.org,
	mhiramat@kernel.org, mathieu.desnoyers@efficios.com,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org, djakov@kernel.org
Subject: Re: [PATCH 2/6] soc: qcom: qpace: Add Qualcomm Page Compression Engine driver
Date: Wed, 7 Oct 2026 09:51:37 +0200	[thread overview]
Message-ID: <b12214fc-2e06-4e52-8bda-6c6f9a76bd7a@kernel.org> (raw)
In-Reply-To: <fed665c5-3062-462b-928d-ab60976ce839@oss.qualcomm.com>

On 07/10/2026 01:51, Oreoluwa Babatunde wrote:
> On 10/1/2026 1:50 AM, Krzysztof Kozlowski wrote:
>> On Wed, Sep 30, 2026 at 07:52:11AM -0700, Georgi Djakov wrote:
>>> Add a platform driver for the Qualcomm Page Compression Engine (QPaCE), a
>>> hardware block that accelerates compression and decompression of memory
>>> pages.
>>>
>>> Provide the urgent command path for synchronous single-page compression and
>>> decompression. This exposes the low-latency operations needed by
>>> compressed-memory users such as zram, especially for page decompression on
>>> the read path.
>>>
>>> Signed-off-by: Georgi Djakov <georgi.djakov@oss.qualcomm.com>
>>> ---
>>>   drivers/soc/qcom/Kconfig          |  14 +
>>>   drivers/soc/qcom/Makefile         |   1 +
>>>   drivers/soc/qcom/qpace.c          | 764 ++++++++++++++++++++++++++++++
>>>   drivers/soc/qcom/qpace_internal.h |  84 ++++
>>>   include/linux/soc/qcom/qpace.h    | 154 ++++++
>>>   5 files changed, 1017 insertions(+)
>>>   create mode 100644 drivers/soc/qcom/qpace.c
>>>   create mode 100644 drivers/soc/qcom/qpace_internal.h
>>>   create mode 100644 include/linux/soc/qcom/qpace.h
>>>
>>> diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
>>> index 535c8619197b..6bcb86dcd726 100644
>>> --- a/drivers/soc/qcom/Kconfig
>>
>> Sorry, but no. Soc is not a dumping ground. This has clear function of
>> compression offload, so it should have some dedicated maintainers like
>> other offload engines.
> 
> The reason for putting this in soc/qcom is because this is a qcom HW 

Every qcom HW driver is a qcom HW driver and they DO NOT go to drivers/soc.

Again: soc is not a dumping ground.

Best regards,
Krzysztof

  reply	other threads:[~2026-10-07  7:51 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-30 14:52 [PATCH 0/6] soc: qcom: Add Qualcomm Page Compression Engine (QPaCE) driver Georgi Djakov
2026-09-30 14:52 ` [PATCH 1/6] dt-bindings: soc: qcom: Add QPaCE binding Georgi Djakov
2026-10-02  6:10   ` Krzysztof Kozlowski
2026-09-30 14:52 ` [PATCH 2/6] soc: qcom: qpace: Add Qualcomm Page Compression Engine driver Georgi Djakov
2026-10-01  8:50   ` Krzysztof Kozlowski
2026-10-06 23:51     ` Oreoluwa Babatunde
2026-10-07  7:51       ` Krzysztof Kozlowski [this message]
2026-09-30 14:52 ` [PATCH 3/6] trace: qpace: Add tracepoints for QPaCE operations Georgi Djakov
2026-09-30 14:52 ` [PATCH 4/6] zram: Add QPaCE zcomp backend Georgi Djakov
2026-10-01  5:43   ` Sergey Senozhatsky
2026-10-06 23:53     ` Oreoluwa Babatunde
2026-10-01  8:51   ` Krzysztof Kozlowski
2026-10-01 10:27     ` Sergey Senozhatsky
2026-10-07  0:04       ` Oreoluwa Babatunde
2026-10-07  0:03     ` Oreoluwa Babatunde
2026-09-30 14:52 ` [PATCH 5/6] soc: qcom: qpace: Add LLCC slice support Georgi Djakov
2026-09-30 14:52 ` [PATCH 6/6] arm64: dts: qcom: hawi: Add QPaCE DT node Georgi Djakov

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