[lkml]   [2016]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 1/4] phy: rockchip-emmc: give DLL some extra time to be ready
Am Donnerstag, 12. Mai 2016, 15:43:03 schrieb Brian Norris:
> From: Shawn Lin <>
> According to the databook, 10.2us is the max time for dll to be ready to
> work. However in testing, some chips need 20us for dll to be ready. This
> patch adds some extra margin for dllrdy to be ready, fixing our
> -ETIMEDOUT issues.
> Signed-off-by: Shawn Lin <>
> Signed-off-by: Brian Norris <>

haven't looked to deep into the emmc-phy block, but on my rk3399-evb board
the emmc still runs nicely with this patch, so

Tested-by: Heiko Stuebner <>

 \ /
  Last update: 2016-06-17 02:21    [W:0.218 / U:10.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site