Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-13 Thread Ulf Hansson
On Wed, 13 Feb 2019 at 08:55, Chaotian Jing wrote: > > On Wed, 2019-02-13 at 08:24 +0100, Ulf Hansson wrote: > > On Wed, 13 Feb 2019 at 04:13, Chaotian Jing > > wrote: > > > > > > On Wed, 2019-02-13 at 08:54 +0800, Chaotian Jing wrote: > > > > On Tue, 2019-02-12 at 10:04 +0200, Adrian Hunter wro

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-12 Thread Chaotian Jing
On Wed, 2019-02-13 at 08:24 +0100, Ulf Hansson wrote: > On Wed, 13 Feb 2019 at 04:13, Chaotian Jing > wrote: > > > > On Wed, 2019-02-13 at 08:54 +0800, Chaotian Jing wrote: > > > On Tue, 2019-02-12 at 10:04 +0200, Adrian Hunter wrote: > > > > On 12/02/19 4:04 AM, Chaotian Jing wrote: > > > > > On

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-12 Thread Ulf Hansson
On Wed, 13 Feb 2019 at 04:13, Chaotian Jing wrote: > > On Wed, 2019-02-13 at 08:54 +0800, Chaotian Jing wrote: > > On Tue, 2019-02-12 at 10:04 +0200, Adrian Hunter wrote: > > > On 12/02/19 4:04 AM, Chaotian Jing wrote: > > > > On Tue, 2019-02-05 at 15:42 +0200, Adrian Hunter wrote: > > > >> On 5/0

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-12 Thread Chaotian Jing
On Wed, 2019-02-13 at 08:54 +0800, Chaotian Jing wrote: > On Tue, 2019-02-12 at 10:04 +0200, Adrian Hunter wrote: > > On 12/02/19 4:04 AM, Chaotian Jing wrote: > > > On Tue, 2019-02-05 at 15:42 +0200, Adrian Hunter wrote: > > >> On 5/02/19 3:06 PM, Ulf Hansson wrote: > > >>> On Mon, 4 Feb 2019 at 1

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-12 Thread Chaotian Jing
On Tue, 2019-02-12 at 10:04 +0200, Adrian Hunter wrote: > On 12/02/19 4:04 AM, Chaotian Jing wrote: > > On Tue, 2019-02-05 at 15:42 +0200, Adrian Hunter wrote: > >> On 5/02/19 3:06 PM, Ulf Hansson wrote: > >>> On Mon, 4 Feb 2019 at 14:42, Adrian Hunter > >>> wrote: > > On 4/02/19 12:54

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-12 Thread Adrian Hunter
On 12/02/19 4:04 AM, Chaotian Jing wrote: > On Tue, 2019-02-05 at 15:42 +0200, Adrian Hunter wrote: >> On 5/02/19 3:06 PM, Ulf Hansson wrote: >>> On Mon, 4 Feb 2019 at 14:42, Adrian Hunter wrote: On 4/02/19 12:54 PM, Ulf Hansson wrote: > On Mon, 4 Feb 2019 at 10:58, Adrian Hunter >

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-11 Thread Chaotian Jing
On Tue, 2019-02-05 at 15:42 +0200, Adrian Hunter wrote: > On 5/02/19 3:06 PM, Ulf Hansson wrote: > > On Mon, 4 Feb 2019 at 14:42, Adrian Hunter wrote: > >> > >> On 4/02/19 12:54 PM, Ulf Hansson wrote: > >>> On Mon, 4 Feb 2019 at 10:58, Adrian Hunter > >>> wrote: > > On 1/02/19 10:10 AM

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-05 Thread Adrian Hunter
On 5/02/19 3:06 PM, Ulf Hansson wrote: > On Mon, 4 Feb 2019 at 14:42, Adrian Hunter wrote: >> >> On 4/02/19 12:54 PM, Ulf Hansson wrote: >>> On Mon, 4 Feb 2019 at 10:58, Adrian Hunter wrote: On 1/02/19 10:10 AM, Ulf Hansson wrote: > On Fri, 1 Feb 2019 at 02:38, Chaotian Jing >

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-05 Thread Ulf Hansson
On Mon, 4 Feb 2019 at 14:42, Adrian Hunter wrote: > > On 4/02/19 12:54 PM, Ulf Hansson wrote: > > On Mon, 4 Feb 2019 at 10:58, Adrian Hunter wrote: > >> > >> On 1/02/19 10:10 AM, Ulf Hansson wrote: > >>> On Fri, 1 Feb 2019 at 02:38, Chaotian Jing > >>> wrote: > > On Thu, 2019-01-31 at

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-04 Thread Adrian Hunter
On 4/02/19 12:54 PM, Ulf Hansson wrote: > On Mon, 4 Feb 2019 at 10:58, Adrian Hunter wrote: >> >> On 1/02/19 10:10 AM, Ulf Hansson wrote: >>> On Fri, 1 Feb 2019 at 02:38, Chaotian Jing >>> wrote: On Thu, 2019-01-31 at 16:58 +0100, Ulf Hansson wrote: > On Thu, 31 Jan 2019 at 08:53,

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-04 Thread Ulf Hansson
On Mon, 4 Feb 2019 at 10:58, Adrian Hunter wrote: > > On 1/02/19 10:10 AM, Ulf Hansson wrote: > > On Fri, 1 Feb 2019 at 02:38, Chaotian Jing > > wrote: > >> > >> On Thu, 2019-01-31 at 16:58 +0100, Ulf Hansson wrote: > >>> On Thu, 31 Jan 2019 at 08:53, Chaotian Jing > >>> wrote: > > m

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-04 Thread Adrian Hunter
On 1/02/19 10:10 AM, Ulf Hansson wrote: > On Fri, 1 Feb 2019 at 02:38, Chaotian Jing wrote: >> >> On Thu, 2019-01-31 at 16:58 +0100, Ulf Hansson wrote: >>> On Thu, 31 Jan 2019 at 08:53, Chaotian Jing >>> wrote: mmc_hs400_to_hs200() begins with the card and host in HS400 mode. Ther

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-02-01 Thread Ulf Hansson
On Fri, 1 Feb 2019 at 02:38, Chaotian Jing wrote: > > On Thu, 2019-01-31 at 16:58 +0100, Ulf Hansson wrote: > > On Thu, 31 Jan 2019 at 08:53, Chaotian Jing > > wrote: > > > > > > mmc_hs400_to_hs200() begins with the card and host in HS400 mode. > > > Therefore, any commands sent to the card shou

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-01-31 Thread Chaotian Jing
On Thu, 2019-01-31 at 16:58 +0100, Ulf Hansson wrote: > On Thu, 31 Jan 2019 at 08:53, Chaotian Jing > wrote: > > > > mmc_hs400_to_hs200() begins with the card and host in HS400 mode. > > Therefore, any commands sent to the card should use HS400 timing. > > It is incorrect to reduce frequency to 5

Re: [PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-01-31 Thread Ulf Hansson
On Thu, 31 Jan 2019 at 08:53, Chaotian Jing wrote: > > mmc_hs400_to_hs200() begins with the card and host in HS400 mode. > Therefore, any commands sent to the card should use HS400 timing. > It is incorrect to reduce frequency to 50Mhz before sending the switch > command, in this case, only reduce

[PATCH] mmc: mmc: Fix HS setting in mmc_hs400_to_hs200()

2019-01-30 Thread Chaotian Jing
mmc_hs400_to_hs200() begins with the card and host in HS400 mode. Therefore, any commands sent to the card should use HS400 timing. It is incorrect to reduce frequency to 50Mhz before sending the switch command, in this case, only reduce clock frequency to 50Mhz but without host timming change, hos