linux-kernel - Re: [PATCH v2 2/2] interconnect: qcom: Add MSM8953 driver

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Date: Fri, 28 Jun 2024 16:06:25 +0200
From: barnabas.czeman@...nlining.org
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
 devicetree@...r.kernel.org, Vladimir Lypak <vladimir.lypak@...il.com>
Subject: Re: [PATCH v2 2/2] interconnect: qcom: Add MSM8953 driver

On 2024-06-28 11:41, Krzysztof Kozlowski wrote:
> On 28/06/2024 11:32, Georgi Djakov wrote:
>> On 27.06.24 18:08, Barnabás Czémán wrote:
>>> From: Vladimir Lypak <vladimir.lypak@...il.com>
>>> 
>>> Add driver for interconnect busses found in MSM8953 based platforms.
>>> The topology consists of four NoCs that are partially controlled by a
>>> RPM processor.
>>> 
>>> Note that one of NoCs (System NoC) has a counterpart (System NoC MM)
>>> that is modelled as child device to avoid resource conflicts, since 
>>> it
>>> uses same MMIO space for configuration.
>>> 
>>> Signed-off-by: Vladimir Lypak <vladimir.lypak@...il.com>
>>> Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
>>> ---
>>>   drivers/interconnect/qcom/Kconfig   |    9 +
>>>   drivers/interconnect/qcom/Makefile  |    2 +
>>>   drivers/interconnect/qcom/msm8953.c | 1325 
>>> +++++++++++++++++++++++++++++++++++
>>>   3 files changed, 1336 insertions(+)
>>> 
>> [..]
>>> +
>>> +static struct qcom_icc_node * const msm8953_pcnoc_nodes[] = {
>>> +	[MAS_SPDM] = &mas_spdm,
>>> +	[MAS_BLSP_1] = &mas_blsp_1,
>>> +	[MAS_BLSP_2] = &mas_blsp_2,
>>> +	[MAS_USB3] = &mas_usb3,
>>> +	[MAS_CRYPTO] = &mas_crypto,
>>> +	[MAS_SDCC_1] = &mas_sdcc_1,
>>> +	[MAS_SDCC_2] = &mas_sdcc_2,
>>> +	[MAS_SNOC_PCNOC] = &mas_snoc_pcnoc,
>>> +	[PCNOC_M_0] = &pcnoc_m_0,
>>> +	[PCNOC_M_1] = &pcnoc_m_1,
>>> +	[PCNOC_INT_1] = &pcnoc_int_1,
>>> +	[PCNOC_INT_2] = &pcnoc_int_2,
>>> +	[PCNOC_S_0] = &pcnoc_s_0,
>>> +	[PCNOC_S_1] = &pcnoc_s_1,
>>> +	[PCNOC_S_2] = &pcnoc_s_2,
>>> +	[PCNOC_S_3] = &pcnoc_s_3,
>>> +	[PCNOC_S_4] = &pcnoc_s_4,
>>> +	[PCNOC_S_6] = &pcnoc_s_6,
>>> +	[PCNOC_S_7] = &pcnoc_s_7,
>>> +	[PCNOC_S_8] = &pcnoc_s_8,
>>> +	[PCNOC_S_9] = &pcnoc_s_9,
>>> +	[SLV_SPDM] = &slv_spdm,
>>> +	[SLV_PDM] = &slv_pdm,
>>> +	[SLV_TCSR] = &slv_tcsr,
>>> +	[SLV_SNOC_CFG] = &slv_snoc_cfg,
>>> +	[SLV_TLMM] = &slv_tlmm,
>>> +	[SLV_MESSAGE_RAM] = &slv_message_ram,
>>> +	[SLV_BLSP_1] = &slv_blsp_1,
>>> +	[SLV_BLSP_2] = &slv_blsp_2,
>>> +	[SLV_PRNG] = &slv_prng,
>>> +	[SLV_CAMERA_SS_CFG] = &slv_camera_ss_cfg,
>>> +	[SLV_DISP_SS_CFG] = &slv_disp_ss_cfg,
>>> +	[SLV_VENUS_CFG] = &slv_venus_cfg,
>>> +	[SLV_GPU_CFG] = &slv_gpu_cfg,
>>> +	[SLV_SDCC_1] = &slv_sdcc_1,
>>> +	[SLV_SDCC_2] = &slv_sdcc_2,
>>> +	[SLV_CRYPTO_0_CFG] = &slv_crypto_0_cfg,
>>> +	[SLV_PMIC_ARB] = &slv_pmic_arb,
>>> +	[SLV_USB3] = &slv_usb3,
>>> +	[SLV_IPA_CFG] = &slv_ipa_cfg,
>>> +	[SLV_TCU] = &slv_tcu,
>>> +	[SLV_PCNOC_SNOC] = &slv_pcnoc_snoc,
>>> +};
>>> +
>>> +static const char * const msm8953_pcnoc_bus_clocks[] = {
>>> +	"bus", "bus_a"
>>> +};
>> 
>> This seems to be unused?
> 
> Heh, was it ever compiled with W=1? I double checked and easily see a
> warning...
Sorry it was my mistake, i have fixed it. I will more careful next time.
> 
> Best regards,
> Krzysztof