linux-kernel - Re: [PATCH v2 2/3] mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver

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Message-ID: <b10a3919-7b86-c177-2254-30d32ac6f25e@st.com>
Date:   Mon, 15 Oct 2018 10:09:49 +0200
From:   Christophe Kerello <christophe.kerello@...com>
To:     Boris Brezillon <boris.brezillon@...tlin.com>
CC:     <miquel.raynal@...tlin.com>, <richard@....at>,
        <dwmw2@...radead.org>, <computersforpeace@...il.com>,
        <marek.vasut@...il.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH v2 2/3] mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND
 flash controller driver



On 10/05/2018 11:58 AM, Boris Brezillon wrote:
> On Fri, 5 Oct 2018 11:41:59 +0200
> <christophe.kerello@...com> wrote:
> 
>> +struct stm32_fmc2 {
> 
> You should inherit from nand_controller even if the nand_chip already
> embeds a dummy nand controller object.
> 
> 	struct nand_controller base;
> 

Hi Boris,

Ok, i will add and handle the nand controller structure.

Regards,
Christophe Kerello.

>> +	struct stm32_fmc2_nand nand;
>> +	struct device *dev;
>> +	void __iomem *io_base;
>> +	void __iomem *data_base[FMC2_MAX_CE];
>> +	void __iomem *cmd_base[FMC2_MAX_CE];
>> +	void __iomem *addr_base[FMC2_MAX_CE];
>> +	phys_addr_t io_phys_addr;
>> +	phys_addr_t data_phys_addr[FMC2_MAX_CE];
>> +	struct clk *clk;
>> +
>> +	struct dma_chan *dma_tx_ch;
>> +	struct dma_chan *dma_rx_ch;
>> +	struct dma_chan *dma_ecc_ch;
>> +	struct sg_table dma_data_sg;
>> +	struct sg_table dma_ecc_sg;
>> +	u8 *ecc_buf;
>> +	int dma_ecc_len;
>> +
>> +	struct completion complete;
>> +	struct completion dma_data_complete;
>> +	struct completion dma_ecc_complete;
>> +
>> +	u8 cs_assigned;
>> +	int cs_sel;
>> +};