linux-kernel - Re: [PATCH v2 2/2] PCI: endpoint: pci-epf-test: Use 'msix_capable' flag directly in pci_epf_test_alloc

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Message-ID: <ZiEkzrwelbYCFO5P@lizhi-Precision-Tower-5810>
Date: Thu, 18 Apr 2024 09:49:02 -0400
From: Frank Li <Frank.li@....com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Krzysztof Wilczyński <kw@...ux.com>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	Niklas Cassel <cassel@...nel.org>
Subject: Re: [PATCH v2 2/2] PCI: endpoint: pci-epf-test: Use 'msix_capable'
 flag directly in pci_epf_test_alloc_space()

On Thu, Apr 18, 2024 at 01:29:59PM +0530, Manivannan Sadhasivam wrote:
> Instead of using a local variable to cache the 'msix_capable' flag, use it
> directly to simplify the code.

Reviewed-by: Frank Li <Frank.Li@....com>

> 
> Suggested-by: Niklas Cassel <cassel@...nel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  drivers/pci/endpoint/functions/pci-epf-test.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
> index 546d2a27955c..3de18a601e7b 100644
> --- a/drivers/pci/endpoint/functions/pci-epf-test.c
> +++ b/drivers/pci/endpoint/functions/pci-epf-test.c
> @@ -802,19 +802,15 @@ static int pci_epf_test_alloc_space(struct pci_epf *epf)
>  	size_t msix_table_size = 0;
>  	size_t test_reg_bar_size;
>  	size_t pba_size = 0;
> -	bool msix_capable;
>  	void *base;
>  	enum pci_barno test_reg_bar = epf_test->test_reg_bar;
>  	enum pci_barno bar;
> -	const struct pci_epc_features *epc_features;
> +	const struct pci_epc_features *epc_features = epf_test->epc_features;
>  	size_t test_reg_size;
>  
> -	epc_features = epf_test->epc_features;
> -
>  	test_reg_bar_size = ALIGN(sizeof(struct pci_epf_test_reg), 128);
>  
> -	msix_capable = epc_features->msix_capable;
> -	if (msix_capable) {
> +	if (epc_features->msix_capable) {
>  		msix_table_size = PCI_MSIX_ENTRY_SIZE * epf->msix_interrupts;
>  		epf_test->msix_table_offset = test_reg_bar_size;
>  		/* Align to QWORD or 8 Bytes */
> 
> -- 
> 2.25.1
>