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Re: [v5 4/8] rsi: add coex support

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Amitkumar Karwar <amitkarwar@xxxxxxxxx> writes:

> From: Prameela Rani Garnepudi <prameela.j04cs@xxxxxxxxx>
>
> With BT support, driver has to handle two streams of data
> (i.e. wlan and BT). Actual coex implementation is in firmware.
> Coex module just schedule the packets to firmware by taking them
> from the corresponding paths.
>
> Structures for module and protocol operations are introduced for
> this purpose. Protocol operations structure is global structure
> which can be shared among different modules. Initialization of
> coex and operating mode values is moved to rsi_91x_init().
>
> Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@xxxxxxxxx>
> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Amitkumar Karwar <amit.karwar@xxxxxxxxxxxxxxxxxx>

[...]

> @@ -270,6 +271,7 @@ struct rsi_common {
>  	u8 obm_ant_sel_val;
>  	int tx_power;
>  	u8 ant_in_use;
> +	struct semaphore tx_bus_lock;

Do you really need to use semaphore? I think nowadays the preference is
to use something other than semaphores.

Also calling it tx_bus_lock is IMHO misleading, tx_bus_sema would be
nicer.

-- 
Kalle Valo



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