Messages in this thread | | | Date | Sun, 26 Feb 2023 17:10:32 +0100 | Subject | Re: [PATCH v3 3/6] scsi: ufs: core: Fix mcq nr_hw_queues | From | Bean Huo <> |
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On 23.02.23 4:27 PM, Po-Wen Kao wrote: > Since MAXQ is 0 based value, add one to obtain number of hardware queue.
MAXQ in Multi-Circular Queue Capability Register is 0 based, hence ..
> > Signed-off-by: Po-Wen Kao<powen.kao@mediatek.com> > --- > drivers/ufs/core/ufs-mcq.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c > index a39746b2a8be..f9af658b4ba2 100644 > --- a/drivers/ufs/core/ufs-mcq.c > +++ b/drivers/ufs/core/ufs-mcq.c > @@ -150,7 +150,8 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) > u32 hba_maxq, rem, tot_queues; > struct Scsi_Host *host = hba->host; > > - hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities); > + /* maxq is 0 based value */ > + hba_maxq = FIELD_GET(MAX_QUEUE_SUP, hba->mcq_capabilities) + 1 ;
Reviewed-by: Bean Huo <beanhuo@micron.com>
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