Re: [PATCH V5 10/11] [SCSI] aacraid: Replace pci_enable_msix() with pci_enable_msix_range()

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On 22.7.2015 18:49, rajinikanth.pandurangan@xxxxxxxx wrote:
> From: Rajinikanth Pandurangan <rajinikanth.pandurangan@xxxxxxxx>
> 
> Description:
>         As pci_enable_msix() deprecated, replaced with pci_enable_msix_range()
> 
> V4 Reviewed/commented by:
> 	Tomas Henzl <thenzl@xxxxxxxxxx>
> 
> Changes from V4:
> 	Changed to 1 as minimum msix range in pci_enable_msix_range()
> to match with original code.
I don't this is correct, your original code hasn't allowed
a single msi-x line too, it allowed it in an exact same range <2,8>
like it is now with 10+11/11 patch applied.
It looks like you have decided to not change the minimal supported
value in the end, that means that not two but a single patch
is preferred. If you for any reason repost your series, please merge
10+11 into a single patch.
I can accept it in the current form too so -

Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>

Tomas

> 
> Signed-off-by: Rajinikanth Pandurangan <rajinikanth.pandurangan@xxxxxxxx>
> ---
>  drivers/scsi/aacraid/comminit.c | 20 ++++++--------------
>  1 file changed, 6 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
> index b4b6088..a02cfb3 100644
> --- a/drivers/scsi/aacraid/comminit.c
> +++ b/drivers/scsi/aacraid/comminit.c
> @@ -338,7 +338,7 @@ static int aac_comm_init(struct aac_dev * dev)
>  
>  void aac_define_int_mode(struct aac_dev *dev)
>  {
> -	int i, msi_count;
> +	int i, msi_count, min_msix;
>  
>  	msi_count = i = 0;
>  	/* max. vectors from GET_COMM_PREFERRED_SETTINGS */
> @@ -366,22 +366,14 @@ void aac_define_int_mode(struct aac_dev *dev)
>  
>  	if (msi_count > 1 &&
>  	    pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
> -		i = pci_enable_msix(dev->pdev,
> +		min_msix = 1;
> +		i = pci_enable_msix_range(dev->pdev,
>  				    dev->msixentry,
> +				    min_msix,
>  				    msi_count);
> -		 /* Check how many MSIX vectors are allocated */
> -		if (i >= 0) {
> +		if (i > 0) {
>  			dev->msi_enabled = 1;
> -			if (i) {
> -				msi_count = i;
> -				if (pci_enable_msix(dev->pdev,
> -				    dev->msixentry,
> -				    msi_count)) {
> -					dev->msi_enabled = 0;
> -					printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
> -							dev->name, dev->id, i);
> -				}
> -			}
> +			msi_count = i;
>  		} else {
>  			dev->msi_enabled = 0;
>  			printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
> 

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