Re: [PATCH v2] mmc: sdio: Fix sdio wait busy implement limitation

2017-04-24 Thread Ulf Hansson
On 23 April 2017 at 11:38, Jiajie Hao wrote: > The host may issue an I/O abort by writing to the CCCR at any time > during I/O read operation via CMD52. And host may need suspend > transcation during write busy stage in SDIO suspend/resume scenario. > From other side, a

Re: [PATCH v2] mmc: sdio: Fix sdio wait busy implement limitation

2017-04-24 Thread Ulf Hansson
On 23 April 2017 at 11:38, Jiajie Hao wrote: > The host may issue an I/O abort by writing to the CCCR at any time > during I/O read operation via CMD52. And host may need suspend > transcation during write busy stage in SDIO suspend/resume scenario. > From other side, a card may accept CMD52

[PATCH v2] mmc: sdio: Fix sdio wait busy implement limitation

2017-04-23 Thread Jiajie Hao
The host may issue an I/O abort by writing to the CCCR at any time during I/O read operation via CMD52. And host may need suspend transcation during write busy stage in SDIO suspend/resume scenario. >From other side, a card may accept CMD52 during data transfer phase. Previous implement would

[PATCH v2] mmc: sdio: Fix sdio wait busy implement limitation

2017-04-23 Thread Jiajie Hao
The host may issue an I/O abort by writing to the CCCR at any time during I/O read operation via CMD52. And host may need suspend transcation during write busy stage in SDIO suspend/resume scenario. >From other side, a card may accept CMD52 during data transfer phase. Previous implement would