Re: [PATCH v3 2/2] mmc: core: Support packed command for eMMC4.5 device

From: Namjae Jeon
Date: Thu Jan 26 2012 - 02:39:54 EST


>> > Â Â Â Â- Add a variable member in mmc_host for minimum number of packed entries.
>> > Â Â Â Â ÂThis value can be overridden by host.
>> Ah.. Okay~ I clearly understand about two queston.
>> Totally, Looks good to me.
>> Thanks for your reply.
>> And I heard that packed cmd is not good while reading small chunk,
>> If so, I want to use packed write cmd not read cmd.
>> Can I use packed only packed write cmd by seperating
>> MMC_CAP2_PACKED_READ_CMD and MMC_CAP2_PACKED_WRITE_CMD ?
> Do you think this separate use is common?
> Let me consider this more.
It is just my idea on user side. if we can select packed read/write
set, I believe that we can optmize performance accoding to own's
environment.
Thanks.
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