linux-kernel - Re: [PATCH net-next v2 2/2] r8152: set bp in bulk

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Message-ID: <0c42418b-7271-415d-991a-a4564cb3fad5@lunn.ch>
Date:   Wed, 26 Jul 2023 10:39:13 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Hayes Wang <hayeswang@...ltek.com>
Cc:     kuba@...nel.org, davem@...emloft.net, netdev@...r.kernel.org,
        nic_swsd@...ltek.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH net-next v2 2/2] r8152: set bp in bulk

> -	ocp_write_word(tp, type, PLA_BP_0, 0);
> -	ocp_write_word(tp, type, PLA_BP_1, 0);
> -	ocp_write_word(tp, type, PLA_BP_2, 0);
> -	ocp_write_word(tp, type, PLA_BP_3, 0);
> -	ocp_write_word(tp, type, PLA_BP_4, 0);
> -	ocp_write_word(tp, type, PLA_BP_5, 0);
> -	ocp_write_word(tp, type, PLA_BP_6, 0);
> -	ocp_write_word(tp, type, PLA_BP_7, 0);
> +	generic_ocp_write(tp, PLA_BP_0, BYTE_EN_DWORD, bp_num << 1, bp, type);
>  
>  	/* wait 3 ms to make sure the firmware is stopped */
>  	usleep_range(3000, 6000);

How much time do you save compared to this 3ms - 6ms sleep?

    Andrew