[PATCH v4 1/4] mtd: spi-nor: add memory controllers for the Aspeed AST2500 SoC

Cédric Le Goater clg at kaod.org
Tue Dec 13 04:22:26 PST 2016


On 12/13/2016 08:50 AM, Marek Vasut wrote:
> On 12/12/2016 04:40 PM, Cédric Le Goater wrote:
>> This driver adds mtd support for the Aspeed AST2500 SoC static memory
>> controllers :
> 
> [...]
> 
>> +#define DEVICE_NAME	"aspeed-smc"
>> +
>> +/*
>> + * The driver only support SPI flash
>> + */
>> +enum aspeed_smc_flash_type {
>> +	smc_type_nor  = 0,
>> +	smc_type_nand = 1,
>> +	smc_type_spi  = 2,
>> +};
> 
> So why is this here ? :)

well, because we do enforce the SPI type in aspeed_smc_chip_set_type()
but I agree, we could be a bit more direct with it and just write
the SPI type. May be in a followup patch then.

> 
>> +struct aspeed_smc_chip;
>> +
>> +struct aspeed_smc_info {
>> +	u32 maxsize;		/* maximum size of chip window */
>> +	u8 nce;			/* number of chip enables */
>> +	bool hastype;		/* flash type field exists in config reg */
>> +	u8 we0;			/* shift for write enable bit for CE0 */
>> +	u8 ctl0;		/* offset in regs of ctl for CE0 */
>> +
>> +	void (*set_4b)(struct aspeed_smc_chip *chip);
>> +};
> 
> Otherwise looks good:
> Reviewed-by: Marek Vasut <marek.vasut at gmail.com>
> 

Thanks for the review,

C. 



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