[PATCH v6 25/30] PNP: Don't reserve BARs for PCI when enabled movable BARs

[Sergey Miroshnichenko]

When the Movable BARs feature is supported, the PCI subsystem is able to
distribute existing BARs and allocate the new ones itself, without need to
reserve gaps by BIOS.

CC: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
Signed-off-by: Sergey Miroshnichenko <s.miroshnichenko at yadro.com>
---
 drivers/pnp/system.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c
index 6950503741eb..5977bd11f4d4 100644
--- a/drivers/pnp/system.c
+++ b/drivers/pnp/system.c
@@ -12,6 +12,7 @@
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/ioport.h>
 
@@ -58,6 +59,9 @@ static void reserve_resources_of_dev(struct pnp_dev *dev)
 	struct resource *res;
 	int i;
 
+	if (pci_can_move_bars)
+		return;
+
 	for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
 		if (res->flags & IORESOURCE_DISABLED)
 			continue;
-- 
2.23.0