diff mbox series

[v7,13/16] PCI: imx6: Clean up get addr_space code

Message ID 20231227182727.1747435-14-Frank.Li@nxp.com
State New
Headers
Series PCI: imx6: Clean up and add imx95 pci support |

Commit Message

Frank Li Dec. 27, 2023, 6:27 p.m. UTC 
  The common dw_pcie_ep_init() already do the same thing. Needn't platform
driver do it again.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---

Notes:
    Change from v1 to v3
    - new patches

 drivers/pci/controller/dwc/pci-imx6.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

Comments

Manivannan Sadhasivam Jan. 7, 2024, 5:55 a.m. UTC | #1 
On Wed, Dec 27, 2023 at 01:27:24PM -0500, Frank Li wrote:

Subject: PCI: imx6: Rely on DWC core to fetch 'addr_space' region 

> The common dw_pcie_ep_init() already do the same thing. Needn't platform
> driver do it again.
> 

'Since the dw_pcie_ep_init() function is already fetching the 'addr_space'
region, no need to do the same in this driver.'

> Signed-off-by: Frank Li <Frank.Li@nxp.com>

With above changes,

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> ---
> 
> Notes:
>     Change from v1 to v3
>     - new patches
> 
>  drivers/pci/controller/dwc/pci-imx6.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
> index 9e60ab6f1885a..4b2b9aafad1b4 100644
> --- a/drivers/pci/controller/dwc/pci-imx6.c
> +++ b/drivers/pci/controller/dwc/pci-imx6.c
> @@ -1080,7 +1080,6 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
>  	int ret;
>  	unsigned int pcie_dbi2_offset;
>  	struct dw_pcie_ep *ep;
> -	struct resource *res;
>  	struct dw_pcie *pci = imx6_pcie->pci;
>  	struct dw_pcie_rp *pp = &pci->pp;
>  	struct device *dev = pci->dev;
> @@ -1099,14 +1098,8 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
>  		pcie_dbi2_offset = SZ_4K;
>  		break;
>  	}
> -	pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset;
> -	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
> -	if (!res)
> -		return -EINVAL;
>  
> -	ep->phys_base = res->start;
> -	ep->addr_size = resource_size(res);
> -	ep->page_size = SZ_64K;
> +	pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset;
>  
>  	ret = dw_pcie_ep_init(ep);
>  	if (ret) {
> -- 
> 2.34.1
>
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 9e60ab6f1885a..4b2b9aafad1b4 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1080,7 +1080,6 @@  static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
 	int ret;
 	unsigned int pcie_dbi2_offset;
 	struct dw_pcie_ep *ep;
-	struct resource *res;
 	struct dw_pcie *pci = imx6_pcie->pci;
 	struct dw_pcie_rp *pp = &pci->pp;
 	struct device *dev = pci->dev;
@@ -1099,14 +1098,8 @@  static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
 		pcie_dbi2_offset = SZ_4K;
 		break;
 	}
-	pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset;
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
-	if (!res)
-		return -EINVAL;
 
-	ep->phys_base = res->start;
-	ep->addr_size = resource_size(res);
-	ep->page_size = SZ_64K;
+	pci->dbi_base2 = pci->dbi_base + pcie_dbi2_offset;
 
 	ret = dw_pcie_ep_init(ep);
 	if (ret) {