Re: [PATCH] mmc: core: expose RPMB partition only for CMD23 capable host

2013-01-28 Thread Chris Ball
Hi, On Fri, Jan 25 2013, Peter Ujfalusi wrote: On 01/25/2013 12:30 PM, Balaji T K wrote: SET_BLOCK_COUNT CMD23 is needed for all access to RPMB partition. If block count is not set by CMD23, all subsequent read/write commands fail as per eMMC specification. So, If the host does not support

[PATCH] mmc: core: expose RPMB partition only for CMD23 capable host

2013-01-25 Thread Balaji T K
SET_BLOCK_COUNT CMD23 is needed for all access to RPMB partition. If block count is not set by CMD23, all subsequent read/write commands fail as per eMMC specification. So, If the host does not support CMD23, do not expose RPMB partition. Accessing RPMB partition can cause hang / huge delay for

Re: [PATCH] mmc: core: expose RPMB partition only for CMD23 capable host

2013-01-25 Thread Peter Ujfalusi
On 01/25/2013 12:30 PM, Balaji T K wrote: SET_BLOCK_COUNT CMD23 is needed for all access to RPMB partition. If block count is not set by CMD23, all subsequent read/write commands fail as per eMMC specification. So, If the host does not support CMD23, do not expose RPMB partition. Accessing