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From: Philipp Zabel <p.zabel@pengutronix.de>
To: Quan Nguyen <quan@os.amperecomputing.com>
Cc: devicetree@vger.kernel.org, linux-aspeed@lists.ozlabs.org,
	Corey Minyard <minyard@acm.org>, Andrew Jeffery <andrew@aj.id.au>,
	openbmc@lists.ozlabs.org,
	"Thang Q . Nguyen" <thang@os.amperecomputing.com>,
	linux-kernel@vger.kernel.org,
	Phong Vo <phong@os.amperecomputing.com>,
	Wolfram Sang <wsa@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	openipmi-developer@lists.sourceforge.net,
	Open Source Submission <patches@amperecomputing.com>,
	linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org
Subject: Re: [PATCH v2 2/3] drivers: char: ipmi: Add Aspeed SSIF BMC driver
Date: Fri, 2 Apr 2021 14:01:37 +0200	[thread overview]
Message-ID: <20210402120137.GA26002@pengutronix.de> (raw)
In-Reply-To: <20210330141029.20412-3-quan@os.amperecomputing.com>

Hi Quan,

On Tue, Mar 30, 2021 at 09:10:28PM +0700, Quan Nguyen wrote:
> The SMBus system interface (SSIF) IPMI BMC driver can be used to perform
> in-band IPMI communication with their host in management (BMC) side.
> 
> This commits adds support specifically for Aspeed AST2500 which commonly
> used as Board Management Controllers.
> 
> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
> ---
[...]
> diff --git a/drivers/char/ipmi/ssif_bmc_aspeed.c b/drivers/char/ipmi/ssif_bmc_aspeed.c
> new file mode 100644
> index 000000000000..a563fcff5acc
> --- /dev/null
> +++ b/drivers/char/ipmi/ssif_bmc_aspeed.c
> @@ -0,0 +1,132 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * The driver for BMC side of Aspeed SSIF interface
> + *
> + * Copyright (c) 2021, Ampere Computing LLC
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program.  If not, see <https://www.gnu.org/licenses/>.
> + */
> +
> +#include <linux/i2c.h>
> +#include <linux/miscdevice.h>
> +#include <linux/module.h>
> +#include <linux/poll.h>
> +#include <linux/iopoll.h>
> +
> +#include "ssif_bmc.h"
> +
> +struct aspeed_i2c_bus {
> +	struct i2c_adapter              adap;
> +	struct device                   *dev;

This device handle is apparently unused.

> +	void __iomem                    *base;
> +	struct reset_control            *rst;

This reset control handle is unused as well.

> +	/* Synchronizes I/O mem access to base. */
> +	spinlock_t                      lock;
> +};

regards
Philipp

  reply	other threads:[~2021-04-02 12:19 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-30 14:10 [PATCH v2 0/3] Add Aspeed SSIF BMC driver Quan Nguyen
2021-03-30 14:10 ` [PATCH v2 1/3] i2c: i2c-core-smbus: Expose PEC calculate function for generic use Quan Nguyen
2021-03-30 14:10 ` [PATCH v2 2/3] drivers: char: ipmi: Add Aspeed SSIF BMC driver Quan Nguyen
2021-04-02 12:01   ` Philipp Zabel [this message]
2021-04-07  7:23     ` Quan Nguyen
2021-04-07 15:50   ` Corey Minyard
2021-04-22 10:49   ` Graeme Gregory
2021-03-30 14:10 ` [PATCH v2 3/3] bindings: ipmi: Add binding for " Quan Nguyen
2021-04-01 17:09   ` Rob Herring
2021-04-02  1:59     ` Quan Nguyen
2021-04-02 14:21 ` [PATCH v2 0/3] Add " Corey Minyard
2021-04-07 13:09   ` Quan Nguyen
2021-04-07 14:28     ` Corey Minyard

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