Re: [U-Boot] [PATCH V2] mmc: add setdsr support

2014-01-09 Thread Pantelis Antoniou
Hi Markus, On Dec 16, 2013, at 2:40 PM, Markus Niebel wrote: > From: Markus Niebel > > The eMMC and the SD-Card specifications describe the optional SET_DSR command. > During measurements at our lab we found that some cards implementing this > feature > having really strong driver strengts per

Re: [U-Boot] [PATCH V2] mmc: add setdsr support

2013-12-16 Thread Pantelis Antoniou
Hi Markus, You missed the code comment about the format of the if statement. Regards -- Pantelis On Dec 16, 2013, at 2:40 PM, Markus Niebel wrote: > From: Markus Niebel > > The eMMC and the SD-Card specifications describe the optional SET_DSR command. > During measurements at our lab we foun

[U-Boot] [PATCH V2] mmc: add setdsr support

2013-12-16 Thread Markus Niebel
From: Markus Niebel The eMMC and the SD-Card specifications describe the optional SET_DSR command. During measurements at our lab we found that some cards implementing this feature having really strong driver strengts per default. This can lead to voltage peaks above the specification of the hos