esp32p4 spi 4 line mode host function too slowly

[skylin008]

Checklist

• Checked the issue tracker for similar issues to ensure this is not a duplicate.
• Described the feature in detail and justified the reason for the request.
• Provided specific use cases and examples.

Feature description

esp32p4 spi 4 line function, used 40M clock, max speed only 1 MiB, does it can be 5 MiB reachable.

Use cases

esp32p4 connect esp32c5 wifi module via SPI 4 Line mode, used FTP protocol download file from FTP server via esp32c5 wifi，it only 1 MiB download speed , how to solve this issue. Thanks!

Alternatives

None

Additional context

None

[mantriyogesh]

Are you using https://github.com/espressif/esp-hosted or
https://github.com/espressif/esp-hosted-mcu ?

Sate the sdkconfig, spi clock in use and raw transfer speed (in both directions)

[mantriyogesh]

@skylin008 let us know some details to understand the issue better..