[PATCH v12 2/6] mtd: spi-nor: core: Call set_4byte_addr_mode() before spi_nor_quad_enalbe()

[Takahiro Kuwano]

On 4/21/2022 4:32 PM, Tudor.Ambarus at microchip.com wrote:
> On 4/21/22 09:40, tkuw584924 at gmail.com wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
> 
> Hi, Takahiro!
>>
>> The part specific quad_enable method for s25hl-t and s25hs-t relies on
>> address mode. Flash's address mode needs to be set before
>> spi_nor_quad_enable() call.
> 
> Maybe I haven't understood something, but I thought you were going to use
> 3-byte addr for enabling quad mode. Can't you enable quad with 3-byte addr?
> If not, why?
> 
You are correct. I can use value of 3 directly instead of nor->addr_width in
quad enable method.

Thanks,
Takahiro