Re: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-11 Thread Jaehoon Chung
Hi Chris & Venkat, Thanks for testing...i will modify insufficiency part about venkat's testing results. I will resend the patch-v6 at next week. Best Regards, Jaehoon Chung On 01/12/2012 04:32 AM, Chris Ball wrote: > Hi, > > On Wed, Jan 11 2012, S, Venkatraman wrote: >> On Thu, Jan 5, 2012

Re: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-11 Thread Chris Ball
Hi, On Wed, Jan 11 2012, S, Venkatraman wrote: > On Thu, Jan 5, 2012 at 6:25 AM, Jaehoon Chung wrote: >> >> Enable eMMC background operations (BKOPS) feature. >> >> If URGENT_BKOPS is set after a response, note that BKOPS >> are required. After all I/O requests are finished, run >> BKOPS if requi

Re: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-11 Thread S, Venkatraman
On Thu, Jan 5, 2012 at 6:25 AM, Jaehoon Chung wrote: > > Enable eMMC background operations (BKOPS) feature. > > If URGENT_BKOPS is set after a response, note that BKOPS > are required. After all I/O requests are finished, run > BKOPS if required. Should read/write operations be requested > during

Re: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-09 Thread Jaehoon Chung
Hi, On 01/09/2012 08:27 PM, Ulf Hansson wrote: > Hi, > > An overall question: How will you prevent each host driver from doing power > save operations while there is an ongoing BKOPS? > > Power save operation could be to disable the clock to the card. Is that OK? > If not, I think we have tw

Re: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-07 Thread Chris Ball
Hi, On Sat, Jan 07 2012, Dong, Chuanxiao wrote: >> In my understanding, the EXT_CSD_BKOPS_EN should be _updated_by_ the >> host controller to 1 at initialization time, to indicate to the >> device, as per the spec. >> Otherwise, the device would decide that the host doesn't support >> software con

RE: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-07 Thread Dong, Chuanxiao
for...@stericsson.com; Sebastian Rasmussen; Dong, Chuanxiao; Konstantin > Dorfman > Subject: Re: [PATCH v5] mmc: support BKOPS feature for eMMC > > On Thu, Jan 5, 2012 at 6:25 AM, Jaehoon Chung > wrote: > > Enable eMMC background operations (BKOPS) feature. > > > > If

Re: [PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-06 Thread S, Venkatraman
On Thu, Jan 5, 2012 at 6:25 AM, Jaehoon Chung wrote: > Enable eMMC background operations (BKOPS) feature. > > If URGENT_BKOPS is set after a response, note that BKOPS > are required. After all I/O requests are finished, run > BKOPS if required. Should read/write operations be requested > during BK

[PATCH v5] mmc: support BKOPS feature for eMMC

2012-01-04 Thread Jaehoon Chung
Enable eMMC background operations (BKOPS) feature. If URGENT_BKOPS is set after a response, note that BKOPS are required. After all I/O requests are finished, run BKOPS if required. Should read/write operations be requested during BKOPS, first issue HPI to interrupt the ongoing BKOPS and then serv