Avoid use get slot id by compared with register physical address. If there
are more than 2 slots, compared logic will become complex.
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
Notes:
Change from v2 to v3
- none
Change from v1 to v2
- fix of_get_pci_domain_nr return value check logic
drivers/pci/controller/dwc/pci-imx6.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 509d459bdc5a1..548034151ee1a 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -33,6 +33,7 @@
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
+#include "../../pci.h"
#include "pcie-designware.h"
#define IMX8MQ_GPR_PCIE_REF_USE_PAD BIT(9)
@@ -1327,6 +1328,12 @@ static int imx6_pcie_probe(struct platform_device *pdev)
"Failed to get PCIEPHY reset control\n");
}
+ /* Using linux,pci-domain as PCI slot id */
+ imx6_pcie->controller_id = of_get_pci_domain_nr(node);
+ /* If there are not "linux,pci-domain" in dts file, means only 1 controller */
+ if (imx6_pcie->controller_id < 0)
+ imx6_pcie->controller_id = 0;
+
switch (imx6_pcie->drvdata->variant) {
case IMX7D:
if (dbi_base->start == IMX8MQ_PCIE2_BASE_ADDR)
--
2.34.1
