Re: [RFC PATCH 2/4] mmc: core: implement enhanced strobe support

2016-03-03 Thread Shawn Lin
Hi Adrian, On 2016/3/3 21:37, Adrian Hunter wrote: On 03/03/16 04:36, Shawn Lin wrote: Controllers use data strobe line to latch data from devices under hs400 mode, but not for cmd line. So from emmc 5.1, JEDEC introduces enhanced strobe mode for latching cmd response from emmc devices to host

Re: [RFC PATCH 2/4] mmc: core: implement enhanced strobe support

2016-03-03 Thread Adrian Hunter
On 03/03/16 04:36, Shawn Lin wrote: > Controllers use data strobe line to latch data from devices > under hs400 mode, but not for cmd line. So from emmc 5.1, JEDEC > introduces enhanced strobe mode for latching cmd response from > emmc devices to host controllers. This new feature is optional. As

[RFC PATCH 2/4] mmc: core: implement enhanced strobe support

2016-03-02 Thread Shawn Lin
Controllers use data strobe line to latch data from devices under hs400 mode, but not for cmd line. So from emmc 5.1, JEDEC introduces enhanced strobe mode for latching cmd response from emmc devices to host controllers. This new feature is optional. Signed-off-by: Shawn Lin --- drivers/mmc/cor