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Re: [PATCH 1/3] ath10k: Get rid of superfluous call to pci_disable_msi()

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Alexander Gordeev <agordeev@xxxxxxxxxx> writes:

> Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
> ---
>  drivers/net/wireless/ath/ath10k/pci.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
> index 29fd197..6525e1f 100644
> --- a/drivers/net/wireless/ath/ath10k/pci.c
> +++ b/drivers/net/wireless/ath/ath10k/pci.c
> @@ -2414,8 +2414,6 @@ static int ath10k_pci_init_irq(struct ath10k *ar)
>  		ret = pci_enable_msi_block(ar_pci->pdev, ar_pci->num_msi_intrs);
>  		if (ret == 0)
>  			return 0;
> -		if (ret > 0)
> -			pci_disable_msi(ar_pci->pdev);

I don't understand how this is superfluous. When I read the
documentation for pci_enable_msi_block() it states that if it can't
allocate all requests, it will return the number requests it could
allocate. And in that case we want to fall back other modes.

Am I missing something?

-- 
Kalle Valo
--
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