linux-kernel - Re: [PATCH] PCI: pcie-candence-ep: remove redundant variable mmc

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Message-ID: <20180713141511.GA18555@red-moon>
Date:   Fri, 13 Jul 2018 15:15:11 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Colin King <colin.king@...onical.com>
Cc:     Alan Douglas <adouglas@...ence.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: pcie-candence-ep: remove redundant variable mmc

On Wed, Jul 11, 2018 at 09:01:03AM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Variable mmc is being assigned but is never used hence it is redundant
> and can be removed.
> 
> Cleans up clang warning:
> warning: variable 'mmc' set but not used [-Wunused-but-set-variable]
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/pci/controller/pcie-cadence-ep.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Applied to pci/cadence for v4.19, thanks.

Lorenzo

> diff --git a/drivers/pci/controller/pcie-cadence-ep.c b/drivers/pci/controller/pcie-cadence-ep.c
> index e3fe4124e3af..63549e03eae8 100644
> --- a/drivers/pci/controller/pcie-cadence-ep.c
> +++ b/drivers/pci/controller/pcie-cadence-ep.c
> @@ -238,7 +238,7 @@ static int cdns_pcie_ep_get_msi(struct pci_epc *epc, u8 fn)
>  	struct cdns_pcie_ep *ep = epc_get_drvdata(epc);
>  	struct cdns_pcie *pcie = &ep->pcie;
>  	u32 cap = CDNS_PCIE_EP_FUNC_MSI_CAP_OFFSET;
> -	u16 flags, mmc, mme;
> +	u16 flags, mme;
>  
>  	/* Validate that the MSI feature is actually enabled. */
>  	flags = cdns_pcie_ep_fn_readw(pcie, fn, cap + PCI_MSI_FLAGS);
> @@ -249,7 +249,6 @@ static int cdns_pcie_ep_get_msi(struct pci_epc *epc, u8 fn)
>  	 * Get the Multiple Message Enable bitfield from the Message Control
>  	 * register.
>  	 */
> -	mmc = (flags & PCI_MSI_FLAGS_QMASK) >> 1;
>  	mme = (flags & PCI_MSI_FLAGS_QSIZE) >> 4;
>  
>  	return mme;
> -- 
> 2.17.1
>