s390/pci: improve handling of bus resources
Cleanup the functions for allocation and setup of bus resources. Do
not allocate the same name for each resource but use a per-bus name.
Also provide means to cleanup all resources allocated by a bus.
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 1cc185d..b9315c4 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -63,9 +63,10 @@
};
struct zpci_bar_struct {
+ struct resource *res; /* bus resource */
u32 val; /* bar start & 3 flag bits */
- u8 size; /* order 2 exponent */
u16 map_idx; /* index into bar mapping array */
+ u8 size; /* order 2 exponent */
};
/* Private data per function */
@@ -97,6 +98,7 @@
unsigned long iommu_pages;
unsigned int next_bit;
+ char res_name[16];
struct zpci_bar_struct bars[PCI_BAR_COUNT];
u64 start_dma; /* Start of available DMA addresses */