On 11/06/2021 08:09, Chuanjia Liu wrote:
> For the new dts format, add a new method to get
> shared pcie-cfg base address and parse node.
>
> Signed-off-by: Chuanjia Liu <chuanjia.liu@xxxxxxxxxxxx>
> Acked-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
You missed the
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
given in v8. Or were there any substantial changes in this patch?
> ---
> drivers/pci/controller/pcie-mediatek.c | 52 +++++++++++++++++++-------
> 1 file changed, 39 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
> index 62a042e75d9a..950f577a2f44 100644
> --- a/drivers/pci/controller/pcie-mediatek.c
> +++ b/drivers/pci/controller/pcie-mediatek.c
> @@ -14,6 +14,7 @@
> #include <linux/irqchip/chained_irq.h>
> #include <linux/irqdomain.h>
> #include <linux/kernel.h>
> +#include <linux/mfd/syscon.h>
> #include <linux/msi.h>
> #include <linux/module.h>
> #include <linux/of_address.h>
> @@ -23,6 +24,7 @@
> #include <linux/phy/phy.h>
> #include <linux/platform_device.h>
> #include <linux/pm_runtime.h>
> +#include <linux/regmap.h>
> #include <linux/reset.h>
>
> #include "../pci.h"
> @@ -207,6 +209,7 @@ struct mtk_pcie_port {
> * struct mtk_pcie - PCIe host information
> * @dev: pointer to PCIe device
> * @base: IO mapped register base
> + * @cfg: IO mapped register map for PCIe config
> * @free_ck: free-run reference clock
> * @mem: non-prefetchable memory resource
> * @ports: pointer to PCIe port information
> @@ -215,6 +218,7 @@ struct mtk_pcie_port {
> struct mtk_pcie {
> struct device *dev;
> void __iomem *base;
> + struct regmap *cfg;
> struct clk *free_ck;
>
> struct list_head ports;
> @@ -650,7 +654,11 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
> return err;
> }
>
> - port->irq = platform_get_irq(pdev, port->slot);
> + if (of_find_property(dev->of_node, "interrupt-names", NULL))
> + port->irq = platform_get_irq_byname(pdev, "pcie_irq");
> + else
> + port->irq = platform_get_irq(pdev, port->slot);
> +
Do I understand that this is used for backwards compatibility with older DTS? I
just wonder why we don't need to mandate
interrupt-names = "pcie_irq"
in the binding description.
Regards,
Matthias
