Re: [U-Boot] mmc: add bkops-enable command

2016-11-23 Thread Jaehoon Chung
Hi Tomas, On 11/23/2016 09:50 PM, Tomas Melin wrote: > Hi Jaehoon, > > On 11/23/2016 11:53 AM, Jaehoon Chung wrote: >> On 11/21/2016 04:52 PM, Tomas Melin wrote: >>> Is your meaning by this that you think that the kernel driver >>> implementation is insufficient, and that you therefore do not

Re: [U-Boot] mmc: add bkops-enable command

2016-11-23 Thread Tomas Melin
Hi Jaehoon, On 11/23/2016 11:53 AM, Jaehoon Chung wrote: > On 11/21/2016 04:52 PM, Tomas Melin wrote: >> Is your meaning by this that you think that the kernel driver implementation >> is insufficient, and that you therefore do not recommmend using bkops >> functionality for eMMC at all (ever)?

Re: [U-Boot] mmc: add bkops-enable command

2016-11-23 Thread Jaehoon Chung
Hi Tomas, On 11/21/2016 04:52 PM, Tomas Melin wrote: > Hi Jaehoon, > > On 11/18/2016 07:07 AM, Jaehoon Chung wrote: >>> On 11/16/2016 03:39 PM, Jaehoon Chung wrote: On 11/16/2016 10:12 PM, Tomas Melin wrote: > Hi, > > On 11/16/2016 02:05 PM, Jaehoon Chung wrote: >>

Re: [U-Boot] mmc: add bkops-enable command

2016-11-20 Thread Tomas Melin
Hi Jaehoon, On 11/18/2016 07:07 AM, Jaehoon Chung wrote: >> On 11/16/2016 03:39 PM, Jaehoon Chung wrote: >>> >>> On 11/16/2016 10:12 PM, Tomas Melin wrote: Hi, On 11/16/2016 02:05 PM, Jaehoon Chung wrote: > > Why needs to set bkops on bootloader? Is there special reason?

Re: [U-Boot] mmc: add bkops-enable command

2016-11-17 Thread Jaehoon Chung
Hi Tomas, On 11/17/2016 08:05 PM, Tomas Melin wrote: > Hi, > > Thank you for your valuable comments and for taking the time to respond. > Please see below for further comments. No problem, It's useful to discuss about something. :) > > On 11/16/2016 03:39 PM, Jaehoon Chung wrote: >> >> On

Re: [U-Boot] mmc: add bkops-enable command

2016-11-17 Thread Tomas Melin
Hi, Thank you for your valuable comments and for taking the time to respond. Please see below for further comments. On 11/16/2016 03:39 PM, Jaehoon Chung wrote: > > On 11/16/2016 10:12 PM, Tomas Melin wrote: >> Hi, >> >> On 11/16/2016 02:05 PM, Jaehoon Chung wrote: >>> >>> Why needs to set

Re: [U-Boot] mmc: add bkops-enable command

2016-11-16 Thread Jaehoon Chung
On 11/16/2016 10:12 PM, Tomas Melin wrote: > Hi, > > On 11/16/2016 02:05 PM, Jaehoon Chung wrote: >> >> Why needs to set bkops on bootloader? Is there special reason? >> And Linux kernel has already discussed about this. >> > It is beneficial to be able to do all required eMMC settings without

Re: [U-Boot] mmc: add bkops-enable command

2016-11-16 Thread Tomas Melin
Hi, On 11/16/2016 02:05 PM, Jaehoon Chung wrote: > > Why needs to set bkops on bootloader? Is there special reason? > And Linux kernel has already discussed about this. > It is beneficial to be able to do all required eMMC settings without being dependent on Linux booting. It saves time in

Re: [U-Boot] mmc: add bkops-enable command

2016-11-16 Thread Jaehoon Chung
Hi, On 11/16/2016 06:59 PM, tomas.me...@vaisala.com wrote: > Add new command for enabling the background operations > handshake functionality (BKOPS_EN, EXT_CSD byte [163]) > on eMMC devices. > > This is an optional feature of eMMCs, the setting is write-once. Why needs to set bkops on