linux-kernel - Re: [PATCH v2 6/6] can: c_can: add support to 64 message objects

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Message-ID: <20210226084359.jnlq6ccbeuib6zis@pengutronix.de>
Date:   Fri, 26 Feb 2021 09:43:59 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Dario Binacchi <dariobin@...ero.it>
Cc:     linux-kernel@...r.kernel.org,
        Alexander Stein <alexander.stein@...tec-electronic.com>,
        Federico Vaga <federico.vaga@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Zhang Qilong <zhangqilong3@...wei.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 6/6] can: c_can: add support to 64 message objects

On 25.02.2021 22:51:55, Dario Binacchi wrote:
> --- a/drivers/net/can/c_can/c_can.h
> +++ b/drivers/net/can/c_can/c_can.h
> @@ -22,8 +22,6 @@
>  #ifndef C_CAN_H
>  #define C_CAN_H
>  
> -#define C_CAN_NO_OF_OBJECTS	32
> -
>  enum reg {
>  	C_CAN_CTRL_REG = 0,
>  	C_CAN_CTRL_EX_REG,
> @@ -61,6 +59,7 @@ enum reg {
>  	C_CAN_NEWDAT2_REG,
>  	C_CAN_INTPND1_REG,
>  	C_CAN_INTPND2_REG,
> +	C_CAN_INTPND3_REG,
>  	C_CAN_MSGVAL1_REG,
>  	C_CAN_MSGVAL2_REG,
>  	C_CAN_FUNCTION_REG,
> @@ -122,6 +121,7 @@ static const u16 __maybe_unused reg_map_d_can[] = {
>  	[C_CAN_NEWDAT2_REG]	= 0x9E,
>  	[C_CAN_INTPND1_REG]	= 0xB0,
>  	[C_CAN_INTPND2_REG]	= 0xB2,
> +	[C_CAN_INTPND3_REG]	= 0xB4,
>  	[C_CAN_MSGVAL1_REG]	= 0xC4,
>  	[C_CAN_MSGVAL2_REG]	= 0xC6,
>  	[C_CAN_IF1_COMREQ_REG]	= 0x100,
> @@ -161,6 +161,7 @@ struct raminit_bits {
>  
>  struct c_can_driver_data {
>  	enum c_can_dev_id id;
> +	int msg_obj_num;

unsigned int

>  
>  	/* RAMINIT register description. Optional. */
>  	const struct raminit_bits *raminit_bits; /* Array of START/DONE bit positions */
> diff --git a/drivers/net/can/c_can/c_can_pci.c b/drivers/net/can/c_can/c_can_pci.c
> index 3752f68d095e..2cb98ccd04d7 100644
> --- a/drivers/net/can/c_can/c_can_pci.c
> +++ b/drivers/net/can/c_can/c_can_pci.c
> @@ -31,6 +31,8 @@ enum c_can_pci_reg_align {
>  struct c_can_pci_data {
>  	/* Specify if is C_CAN or D_CAN */
>  	enum c_can_dev_id type;
> +	/* Number of message objects */
> +	int msg_obj_num;

unsigned int


Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
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