Às 10:26 AM de 1/12/2017, Kishon Vijay Abraham I escreveu:
> Split pcie-designware.c into pcie-designware-host.c that contains
> the host specific parts of the driver and pcie-designware.c that
> contains the parts used by both host driver and endpoint driver.
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> drivers/pci/dwc/Makefile | 2 +-
> drivers/pci/dwc/pcie-designware-host.c | 619 ++++++++++++++++++++++++++++++++
> drivers/pci/dwc/pcie-designware.c | 613 +------------------------------
> drivers/pci/dwc/pcie-designware.h | 8 +
> 4 files changed, 634 insertions(+), 608 deletions(-)
> create mode 100644 drivers/pci/dwc/pcie-designware-host.c
>
> diff --git a/drivers/pci/dwc/Makefile b/drivers/pci/dwc/Makefile
> index 7d27c14..3b57e55 100644
> --- a/drivers/pci/dwc/Makefile
> +++ b/drivers/pci/dwc/Makefile
> @@ -1,4 +1,4 @@
(snip...)
> -static void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
> - int type, u64 cpu_addr, u64 pci_addr,
> - u32 size)
> +void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type,
> + u64 cpu_addr, u64 pci_addr, u32 size)
> {
> u32 retries, val;
>
> @@ -186,220 +151,6 @@ static void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
> dev_err(pci->dev, "iATU is not being enabled\n");
> }
Kishon, iATU only makes sense in The Root Complex (host), so it should be inside
the pcie-designware-host.
>
> -static struct irq_chip dw_msi_irq_chip = {
> - .name = "PCI-MSI",
> - .irq_enable = pci_msi_unmask_irq,
> - .irq_disable = pci_msi_mask_irq,
> - .irq_mask = pci_msi_mask_irq,
> - .irq_unmask = pci_msi_unmask_irq,
> -};
> -
(snip...)
> -
> -static const struct irq_domain_ops msi_domain_ops = {
> - .map = dw_pcie_msi_map,
> -};
> -
> static u8 dw_pcie_iatu_unroll_enabled(struct dw_pcie *pci)
> {
> u32 val;
> @@ -454,303 +192,11 @@ static u8 dw_pcie_iatu_unroll_enabled(struct dw_pcie *pci)
> return 0;
> }
Kishon, iATU only makes sense in The Root Complex (host), so it should be inside
the pcie-designware-host.
(snip...)
> diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h
> index 491fbe3..808d17b 100644
> --- a/drivers/pci/dwc/pcie-designware.h
> +++ b/drivers/pci/dwc/pcie-designware.h
> @@ -14,6 +14,10 @@
> #ifndef _PCIE_DESIGNWARE_H
> #define _PCIE_DESIGNWARE_H
>
> +#include <linux/irq.h>
> +#include <linux/msi.h>
> +#include <linux/pci.h>
> +
> /* Parameters for the waiting for link up routine */
> #define LINK_WAIT_MAX_RETRIES 10
> #define LINK_WAIT_USLEEP_MIN 90000
> @@ -167,4 +171,8 @@ struct dw_pcie {
> void dw_pcie_writel_dbi(struct dw_pcie *pci, u32 reg, u32 val);
> int dw_pcie_link_up(struct dw_pcie *pci);
> int dw_pcie_wait_for_link(struct dw_pcie *pci);
> +void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
> + int type, u64 cpu_addr, u64 pci_addr,
> + u32 size);
> +void dw_pcie_setup(struct dw_pcie *pci);
Kishon, iATU only makes sense in The Root Complex (host), so it should be inside
the pcie-designware-host as static.
> #endif /* _PCIE_DESIGNWARE_H */
>
Thanks,
Joao
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