Re: [PATCH v1 02/20] [SCSI] mpt3sas: Get IOC_FACTS information using handshake protocol only after HBA card gets into READY or Operational state.

[Tomas Henzl]

On 06/17/2015 11:10 AM, Sreekanth Reddy wrote:
> Driver initialization fails if driver tries to send IOC facts request message when the IOC is in reset or in a fault state.
> 
> This patch will make sure that
>  1.Driver to send IOC facts request message only if HBA is in operational or ready state.
>  2.If IOC is in fault state, a diagnostic reset would be issued.
>  3.If IOC is in reset state then driver will wait for 10 seconds to exit out of reset state.
>    If the HBA continues to be in reset state, then the HBA wouldn't be claimed by the driver.
> 
> Changes in v1:
>    If PCI Recovery is on then return with -EFAULT in the function _base_wait_for_iocstate().
> 
> Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@xxxxxxxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>

Tomas

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