On Fri, Feb 05, 2021 at 12:08:55PM +0100, Alain Volmat wrote:
> On 0 byte transfer request, return straight from the
> xfer function after finalizing the transfer.
> + if (transfer->len == 0) {
> + spi_finalize_current_transfer(master);
> + return 0;
The driver only needs to finalize the transfer if it returned a value
greater than 0, returning 0 indicates that the transfer is already done.
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