On Thu, Sep 01, 2016 at 09:57:58AM -0700, Brian Norris wrote:
> On Thu, Sep 01, 2016 at 11:34:55AM -0500, Bjorn Helgaas wrote:
> > I can't conveniently build it, so I'm sure I've broken things. I
>
> Indeed, you have :)
>
> > pushed the current work-in-progress branch to pci/host-rockchip-wip.
> > After we fix build errors and other thinkos, I'll rename it and put it
> > in -next.
>
> I'll append a patch that gets things building and working for me. With
> that:
>
> Tested-by: Brian Norris <briannorris@xxxxxxxxxxxx>
>
> I haven't examined all the changes in detail, but they mostly seem
> reasonable.
>
> > I'll also post the broken-out patches for the changes I made on top of
> > the previous v10 (2098142ae87d). I'll eventually squash them all into
> > the original commit so we don't have the clutter in the logs.
>
> diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c
> index 6623598679f2..ac846bab7396 100644
> --- a/drivers/pci/host/pcie-rockchip.c
> +++ b/drivers/pci/host/pcie-rockchip.c
> @@ -128,9 +128,9 @@
> #define PCIE_CLIENT_CONF_ENABLE (0x00010000 | 0x0001)
> #define PCIE_CLIENT_LINK_TRAIN_ENABLE (0x00020000 | 0x0002)
> #define PCIE_CLIENT_ARI_ENABLE (0x00080000 | 0x0008)
> -#define PCIE_CLIENT_CONF_LANE_NUM(x) (0x00300000 | (((x >> 1) & 3) << 4)
> +#define PCIE_CLIENT_CONF_LANE_NUM(x) (0x00300000 | (((x >> 1) & 3) << 4))
I would suggest to use (x) for those.
> #define PCIE_CLIENT_MODE_RC (0x00400000 | 0x0040)
> -#define PCIE_CLIENT_GEN_SEL(x) (0x00800000 | ((x & 1) << 7)
> +#define PCIE_CLIENT_GEN_SEL(x) (0x00800000 | ((x & 1) << 7))
> #define PCIE_CLIENT_GEN_SEL_0 0
> #define PCIE_CLIENT_GEN_SEL_2 1
>
> @@ -643,14 +643,13 @@ static irqreturn_t rockchip_pcie_client_irq_handler(int irq, void *arg)
> static void rockchip_pcie_legacy_int_handler(struct irq_desc *desc)
> {
> struct irq_chip *chip = irq_desc_get_chip(desc);
> - struct rockchip_pcie *rockchip;
> + struct rockchip_pcie *rockchip = irq_desc_get_handler_data(desc);
> struct device *dev = rockchip->dev;
> u32 reg;
> u32 hwirq;
> u32 virq;
>
> chained_irq_enter(chip, desc);
> - rockchip = irq_desc_get_handler_data(desc);
>
> reg = rockchip_pcie_read(rockchip, PCIE_CLIENT_INT_STATUS);
> reg = (reg & ROCKCHIP_PCIE_RPIFR1_INTR_MASK) >>
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