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Date:   Mon, 7 Mar 2022 16:47:05 -0800
From:   "Martinez, Ricardo" <ricardo.martinez@...ux.intel.com>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc:     Netdev <netdev@...r.kernel.org>, linux-wireless@...r.kernel.org,
        kuba@...nel.org, davem@...emloft.net, johannes@...solutions.net,
        ryazanov.s.a@...il.com, loic.poulain@...aro.org,
        m.chetan.kumar@...el.com, chandrashekar.devegowda@...el.com,
        linuxwwan@...el.com, chiranjeevi.rapolu@...ux.intel.com,
        haijun.liu@...iatek.com, amir.hanania@...el.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        dinesh.sharma@...el.com, eliot.lee@...el.com,
        moises.veleta@...el.com, pierre-louis.bossart@...el.com,
        muralidharan.sethuraman@...el.com, Soumya.Prakash.Mishra@...el.com,
        sreehari.kancharla@...el.com, madhusmita.sahu@...el.com
Subject: Re: [PATCH net-next v5 03/13] net: wwan: t7xx: Add core components


On 2/25/2022 3:10 AM, Ilpo Järvinen wrote:
> On Wed, 23 Feb 2022, Ricardo Martinez wrote:
>
>> From: Haijun Liu <haijun.liu@...iatek.com>
>>
>> Registers the t7xx device driver with the kernel. Setup all the core
>> components: PCIe layer, Modem Host Cross Core Interface (MHCCIF),
>> modem control operations, modem state machine, and build
>> infrastructure.
>>
>> * PCIe layer code implements driver probe and removal.
>> * MHCCIF provides interrupt channels to communicate events
>>    such as handshake, PM and port enumeration.
>> * Modem control implements the entry point for modem init,
>>    reset and exit.
>> * The modem status monitor is a state machine used by modem control
>>    to complete initialization and stop. It is used also to propagate
>>    exception events reported by other components.
>>
>> Signed-off-by: Haijun Liu <haijun.liu@...iatek.com>
>> Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@...el.com>
>> Co-developed-by: Ricardo Martinez <ricardo.martinez@...ux.intel.com>
>> Signed-off-by: Ricardo Martinez <ricardo.martinez@...ux.intel.com>
>>
>> >From a WWAN framework perspective:
>> Reviewed-by: Loic Poulain <loic.poulain@...aro.org>
>> ---
>> +	/* IPs enable interrupts when ready */
>> +	for (i = 0; i < EXT_INT_NUM; i++)
>> +		t7xx_pcie_mac_clear_int(t7xx_dev, i);
> In v4, PCIE_MAC_MSIX_MSK_SET() wrote to IMASK_HOST_MSIX_SET_GRP0_0.
> In v5, t7xx_pcie_mac_clear_int() writes to IMASK_HOST_MSIX_CLR_GRP0_0.
>
> t7xx_pcie_mac_set_int() would write to IMASK_HOST_MSIX_SET_GRP0_0
> matching to what v4 did. So you probably want to call
> t7xx_pcie_mac_set_int() instead of t7xx_pcie_mac_clear_int()?
Yes, this should call t7xx_pcie_mac_set_int().
>

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