RE: [PATCH] mmc: core: improve rationality of bus width setting for HS400es

2018-07-10 Thread 方洪杰
> On 10 July 2018 at 07:04, Fang Hongjie(方洪杰) > wrote: > >> On 9 July 2018 at 08:47, Hongjie Fang wrote: > >> > mmc_select_hs400es() calls mmc_select_bus_width() which will try to > >> > set 4bit transfer mode if fail to set 8bit mode. The problem is that > >> > the bus width should not be set t

Re: [PATCH] mmc: core: improve rationality of bus width setting for HS400es

2018-07-10 Thread Ulf Hansson
On 10 July 2018 at 07:04, Fang Hongjie(方洪杰) wrote: >> On 9 July 2018 at 08:47, Hongjie Fang wrote: >> > mmc_select_hs400es() calls mmc_select_bus_width() which will try to >> > set 4bit transfer mode if fail to set 8bit mode. The problem is that >> > the bus width should not be set to 4bit in HS4

RE: [PATCH] mmc: core: improve rationality of bus width setting for HS400es

2018-07-09 Thread 方洪杰
> On 9 July 2018 at 08:47, Hongjie Fang wrote: > > mmc_select_hs400es() calls mmc_select_bus_width() which will try to > > set 4bit transfer mode if fail to set 8bit mode. The problem is that > > the bus width should not be set to 4bit in HS400es mode. > > I guess it fails because there is someth

Re: [PATCH] mmc: core: improve rationality of bus width setting for HS400es

2018-07-09 Thread Ulf Hansson
On 9 July 2018 at 08:47, Hongjie Fang wrote: > mmc_select_hs400es() calls mmc_select_bus_width() which will try to > set 4bit transfer mode if fail to set 8bit mode. The problem is that > the bus width should not be set to 4bit in HS400es mode. I guess it fails because there is something wrong. C