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

From: Christophe Kerello
Date: Mon Oct 15 2018 - 04:12:29 EST




On 10/05/2018 11:58 AM, Boris Brezillon wrote:
On Fri, 5 Oct 2018 11:41:59 +0200
<christophe.kerello@xxxxxx> 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;
+};