Mahavir Jain
05da91f0db
spi_flash: add configuration option to select flash write chunk size ...
Flash write operation is broken down into smaller chunk writes. Size
of this chunk was previously set to 8K but that in-turn meant cache and
non-IRAM resident interrupts could stay disabled upto ~24msec for 8K flash
write operation. If chunk size is brought down to 256 (typical flash page size)
then it brings down cache and non-IRAM interrupts disable duration to ~1msec.
Fix here keeps defaults same but provides configuration option to tweak the
setting based on application requirement.
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05da91f0db