Re: [PATCH RFC 2/5] mmc: sdhci: Split sdhci_add_host()

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On 05/07/16 12:02, Jon Hunter wrote:
> 
> On 28/06/16 14:23, Adrian Hunter wrote:
>> Split sdhci-add_host() in order to further our objective to make
>> sdhci into a library.
> 
> s/sdhci-add_host/sdhci_add_host

Thanks I'll make that change

> 
>> The split divides code that sets up mmc and sdhci parameters, from
>> code that actually activates things - such as tasklet initialization,
>> requesting the irq, and adding (and starting) the host.
>>
>> This gives drivers an opportunity to change various settings before
>> committing to start the host.
>>
>> Drivers can continue to call sdhci_add_host() but drivers that want
>> to take advantage of the split instead call sdhci_setup_host() followed
>> by __sdhci_add_host().
> 
> If sdhci_setup_host() is successful, but then the subsequent call to
> __sdhci_add_host() fails, then what should be called to clean-up? Does
> not look like we can still call sdhci_remove_host() in this case.

Nothing needs to be called because __sdhci_add_host() cleans up for
sdhci_setup_host() and itself.

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