Thread (45 messages) 45 messages, 3 authors, 2022-04-05

Re: [PATCH net-next v5 05/13] net: wwan: t7xx: Add control port

From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: 2022-02-25 12:06:10
Also in: linux-wireless

On Wed, 23 Feb 2022, 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>
quoted
From a WWAN framework perspective:
Reviewed-by: Loic Poulain <redacted>
---
quoted hunk ↗ jump to hunk
@@ -412,6 +651,7 @@ static struct t7xx_modem *t7xx_md_alloc(struct t7xx_pci_dev *t7xx_dev)
...
 	md->core_md.ready = false;
+	md->core_md.handshake_ongoing = false;
These assignments are not needed with mem from kzalloc.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>


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