On Thu, Oct 16, 2014 at 05:58:51PM +0800, addy ke wrote: Please fix your mailer to word wrap within paragraphs. > On 2014/10/16 17:34, Mark Brown wrote: > >> If we set the rate unconditionally here, clk_set_rate() will be executed in each spi transfer. > > Is that really such a high cost? > Not high cost, but I think if the default spi_clk is enough, we do not need to set spi_clk again. > Maybe we can only set spi_clk as (2 * MAX_SCLK_OUT) in probe(). It's not too bad to do it where it is, it just seems better to be simpler. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 473 bytes Desc: Digital signature URL: <http://lists.infradead.org/pipermail/linux-rockchip/attachments/20141016/61e6574c/attachment.sig>
