[PATCH v2 4/4] PCI: keystone: Remove iATU register mapping

From: Kunihiko Hayashi
Date: Sun Sep 27 2020 - 21:06:00 EST


After applying "PCI: dwc: Add common iATU register support",
there is no need to set own iATU in the Keystone driver itself.

Cc: Murali Karicheri <m-karicheri2@xxxxxx>
Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
Cc: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx>
Suggested-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
drivers/pci/controller/dwc/pci-keystone.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index b554812..a222728 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -1154,7 +1154,6 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
struct keystone_pcie *ks_pcie;
struct device_link **link;
struct gpio_desc *gpiod;
- void __iomem *atu_base;
struct resource *res;
unsigned int version;
void __iomem *base;
@@ -1275,23 +1274,12 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
goto err_get_sync;
}

- if (pci->version >= 0x480A) {
- atu_base = devm_platform_ioremap_resource_byname(pdev, "atu");
- if (IS_ERR(atu_base)) {
- ret = PTR_ERR(atu_base);
- goto err_get_sync;
- }
-
- pci->atu_base = atu_base;
-
+ if (pci->version >= 0x480A)
ret = ks_pcie_am654_set_mode(dev, mode);
- if (ret < 0)
- goto err_get_sync;
- } else {
+ else
ret = ks_pcie_set_mode(dev);
- if (ret < 0)
- goto err_get_sync;
- }
+ if (ret < 0)
+ goto err_get_sync;

switch (mode) {
case DW_PCIE_RC_TYPE:
--
2.7.4