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Commit f159edae authored by Kumar Gala's avatar Kumar Gala Committed by Benjamin Herrenschmidt
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powerpc/pci: Clean up direct access to sysdata by 4xx platforms 



We shouldn't directly access sysdata to get the pci_controller.  Instead
use pci_bus_to_host() for this purpose.  In the future we might have
sysdata be a device_node to match ppc64 and unify the code between ppc32
& ppc64.

Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 5b21fb8e

arch/powerpc/sysdev/ppc4xx_pci.c

+2 −2
Original line number Diff line number Diff line
@@ -1295,7 +1295,7 @@ static void __iomem *ppc4xx_pciex_get_config_base(struct ppc4xx_pciex_port *port 
static int ppc4xx_pciex_read_config(struct pci_bus *bus, unsigned int devfn,

				    int offset, int len, u32 *val)

{

	struct pci_controller *hose = (struct pci_controller *) bus->sysdata;

	struct pci_controller *hose = pci_bus_to_host(bus);

	struct ppc4xx_pciex_port *port =

		&ppc4xx_pciex_ports[hose->indirect_type];

	void __iomem *addr;
@@ -1352,7 +1352,7 @@ static int ppc4xx_pciex_read_config(struct pci_bus *bus, unsigned int devfn, 
static int ppc4xx_pciex_write_config(struct pci_bus *bus, unsigned int devfn,

				     int offset, int len, u32 val)

{

	struct pci_controller *hose = (struct pci_controller *) bus->sysdata;

	struct pci_controller *hose = pci_bus_to_host(bus);

	struct ppc4xx_pciex_port *port =

		&ppc4xx_pciex_ports[hose->indirect_type];

	void __iomem *addr;