From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: Ricardo Martinez <ricardo.martinez@linux.intel.com>
Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
kuba@kernel.org, davem@davemloft.net, johannes@sipsolutions.net,
ryazanov.s.a@gmail.com, loic.poulain@linaro.org,
m.chetan.kumar@intel.com, chandrashekar.devegowda@intel.com,
linuxwwan@intel.com, chiranjeevi.rapolu@linux.intel.com,
haijun.liu@mediatek.com, amir.hanania@intel.com,
andriy.shevchenko@linux.intel.com, dinesh.sharma@intel.com,
eliot.lee@intel.com, mika.westerberg@linux.intel.com,
moises.veleta@intel.com, pierre-louis.bossart@intel.com,
muralidharan.sethuraman@intel.com,
Soumya.Prakash.Mishra@intel.com, sreehari.kancharla@intel.com,
suresh.nagaraj@intel.com
Subject: Re: [PATCH net-next v3 04/12] net: wwan: t7xx: Add control port
Date: Thu, 16 Dec 2021 15:44:34 +0200 (EET) [thread overview]
Message-ID: <377f68a1-c642-d5da-51e7-624eac4eb911@linux.intel.com> (raw)
In-Reply-To: <20211207024711.2765-5-ricardo.martinez@linux.intel.com>
On Mon, 6 Dec 2021, Ricardo Martinez wrote:
> From: Haijun Liu <haijun.liu@mediatek.com>
>
> Control Port implements driver control messages such as modem-host
> handshaking, controls port enumeration, and handles exception messages.
>
> The handshaking process between the driver and the modem happens during
> the init sequence. The process involves the exchange of a list of
> supported runtime features to make sure that modem and host are ready
> to provide proper feature lists including port enumeration. Further
> features can be enabled and controlled in this handshaking process.
>
> Signed-off-by: Haijun Liu <haijun.liu@mediatek.com>
> Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
> Co-developed-by: Ricardo Martinez <ricardo.martinez@linux.intel.com>
> Signed-off-by: Ricardo Martinez <ricardo.martinez@linux.intel.com>
> + ccci_h->packet_header = 0;
> + ccci_h->packet_len = cpu_to_le32(packet_size);
> + ccci_h->status &= cpu_to_le32(~HDR_FLD_CHN);
> + ccci_h->status |= cpu_to_le32(FIELD_PREP(HDR_FLD_CHN, port_static->tx_ch));
> + ccci_h->status &= cpu_to_le32(~HDR_FLD_SEQ);
> + ccci_h->ex_msg = 0;
...
> + ccci_h->packet_header = cpu_to_le32(CCCI_HEADER_NO_DATA);
> + ccci_h->packet_len = cpu_to_le32(sizeof(*ctrl_msg_h) + CCCI_H_LEN);
> + ccci_h->status &= cpu_to_le32(~HDR_FLD_CHN);
> + ccci_h->status |= cpu_to_le32(FIELD_PREP(HDR_FLD_CHN, ch));
> + ccci_h->ex_msg = 0;
...
> + ccci_h->packet_header = cpu_to_le32(CCCI_HEADER_NO_DATA);
> + ccci_h->packet_len = cpu_to_le32(msg);
> + ccci_h->status &= cpu_to_le32(~HDR_FLD_CHN);
> + ccci_h->status |= cpu_to_le32(FIELD_PREP(HDR_FLD_CHN, ch));
> + ccci_h->ex_msg = cpu_to_le32(ex_msg);
A helper to handle the common part of ccci_h init would be useful.
--
i.
next prev parent reply other threads:[~2021-12-16 13:44 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 2:46 [PATCH net-next v3 00/12] net: wwan: t7xx: PCIe driver for MediaTek M.2 modem Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 01/12] net: wwan: t7xx: Add control DMA interface Ricardo Martinez
2021-12-07 17:11 ` Jakub Kicinski
2021-12-16 11:08 ` Ilpo Järvinen
2022-01-12 4:55 ` Martinez, Ricardo
2022-01-12 11:40 ` Andy Shevchenko
2022-01-12 14:24 ` Ilpo Järvinen
2022-01-12 16:20 ` Andy Shevchenko
2022-01-12 18:16 ` Ilpo Järvinen
2022-01-12 19:03 ` Martinez, Ricardo
2022-01-12 19:24 ` Ilpo Järvinen
2022-01-12 20:08 ` Martinez, Ricardo
2022-01-13 18:31 ` Ilpo Järvinen
2021-12-07 2:47 ` [PATCH net-next v3 02/12] net: wwan: t7xx: Add core components Ricardo Martinez
2021-12-16 11:55 ` Ilpo Järvinen
2022-01-12 21:58 ` Martinez, Ricardo
2021-12-07 2:47 ` [PATCH net-next v3 03/12] net: wwan: t7xx: Add port proxy infrastructure Ricardo Martinez
2021-12-16 12:17 ` Ilpo Järvinen
2021-12-07 2:47 ` [PATCH net-next v3 04/12] net: wwan: t7xx: Add control port Ricardo Martinez
2021-12-16 13:44 ` Ilpo Järvinen [this message]
2021-12-07 2:47 ` [PATCH net-next v3 05/12] net: wwan: t7xx: Add AT and MBIM WWAN ports Ricardo Martinez
2021-12-07 9:48 ` Loic Poulain
2021-12-16 12:25 ` Ilpo Järvinen
2021-12-16 12:59 ` Andy Shevchenko
2021-12-07 2:47 ` [PATCH net-next v3 06/12] net: wwan: t7xx: Data path HW layer Ricardo Martinez
2021-12-07 11:59 ` Andy Shevchenko
2021-12-07 12:04 ` Andy Shevchenko
2021-12-07 2:47 ` [PATCH net-next v3 07/12] net: wwan: t7xx: Add data path interface Ricardo Martinez
2021-12-16 13:30 ` Ilpo Järvinen
2022-01-12 23:27 ` Martinez, Ricardo
2021-12-07 2:47 ` [PATCH net-next v3 08/12] net: wwan: t7xx: Add WWAN network interface Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 09/12] net: wwan: t7xx: Introduce power management support Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 10/12] net: wwan: t7xx: Runtime PM Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 11/12] net: wwan: t7xx: Device deep sleep lock/unlock Ricardo Martinez
2021-12-07 2:47 ` [PATCH net-next v3 12/12] net: wwan: t7xx: Add maintainers and documentation Ricardo Martinez
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