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authorOlof Johansson <olof@lixom.net>2013-06-12 16:26:33 -0700
committerOlof Johansson <olof@lixom.net>2013-06-12 16:27:21 -0700
commit1e76c7cb3c1d281be2e452e780e53859abc7c145 (patch)
tree5199604868c08ab76ea17c860f1f2ab553670360 /arch/powerpc/kernel/pci-common.c
parent18c0e596791a1014781202a3af649f42a6d8495d (diff)
parenta38089057fa450944f2e2d07885d76fd727c8d16 (diff)
Merge tag 'exynos-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim: Update exynos DT for - usb3phy and dwc3 for exynos5250 - keypad for exynos4412 - TMU clock for exynos4210 - MFC clock for exynos4 - DP controller for exynos5250 - G2D clock for exynos4 - some exynos boards * tag 'exynos-dt-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (456 commits) ARM: dts: add ohci and ehci controller nodes for EXYNOS5440 ARM: dts: Update G2D documentation for clock entries ARM: dts: Add clock entries to G2D node for exynos4x12 ARM: dts: Add clock entries to G2D node for exynos4210 ARM: dts: Remove duplicate and add missing G2D nodes clk: exynos4: Add additional G2D clocks ARM: dts: Document DP clock in samsung,exynos5-dp binding ARM: dts: add pin state information for DP HPD support to Exynos5250 ARM: dts: add dts node for the ahci sata exynos5440 ARM: dts: add vmmc regulator support for ODROID-X ARM: dts: add max77686 node entry for ODROID-X ARM: dts: Enable RTC by default on EXYNOS5440 ARM: dts: Add display timing node to exynos5250-arndale.dts ARM: dts: Add clock provider information for DP controller in Exynos5250 SoC ARM: dts: Add DT node for DP controller for Arndale Board ARM: dts: Remove combiner IRQ node from exynos4x12.dtsi ARM: dts: add max8997 device node for exynos4210-origen board ARM: dts: Enable TMU on Origen4210 board ARM: dts: Add TMU clock entries to exynos4210.dtsi ARM: dts: Update MFC documentation for clock entries ... Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/powerpc/kernel/pci-common.c')
-rw-r--r--arch/powerpc/kernel/pci-common.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index e9acf50dd5b2..7f2273cc3c7d 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -657,15 +657,6 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar,
* ranges. However, some machines (thanks Apple !) tend to split their
* space into lots of small contiguous ranges. So we have to coalesce.
*
- * - We can only cope with all memory ranges having the same offset
- * between CPU addresses and PCI addresses. Unfortunately, some bridges
- * are setup for a large 1:1 mapping along with a small "window" which
- * maps PCI address 0 to some arbitrary high address of the CPU space in
- * order to give access to the ISA memory hole.
- * The way out of here that I've chosen for now is to always set the
- * offset based on the first resource found, then override it if we
- * have a different offset and the previous was set by an ISA hole.
- *
* - Some busses have IO space not starting at 0, which causes trouble with
* the way we do our IO resource renumbering. The code somewhat deals with
* it for 64 bits but I would expect problems on 32 bits.
@@ -680,10 +671,9 @@ void pci_process_bridge_OF_ranges(struct pci_controller *hose,
int rlen;
int pna = of_n_addr_cells(dev);
int np = pna + 5;
- int memno = 0, isa_hole = -1;
+ int memno = 0;
u32 pci_space;
unsigned long long pci_addr, cpu_addr, pci_next, cpu_next, size;
- unsigned long long isa_mb = 0;
struct resource *res;
printk(KERN_INFO "PCI host bridge %s %s ranges:\n",
@@ -777,8 +767,6 @@ void pci_process_bridge_OF_ranges(struct pci_controller *hose,
}
/* Handles ISA memory hole space here */
if (pci_addr == 0) {
- isa_mb = cpu_addr;
- isa_hole = memno;
if (primary || isa_mem_base == 0)
isa_mem_base = cpu_addr;
hose->isa_mem_phys = cpu_addr;