Commit f8be11ae authored by Bjorn Helgaas's avatar Bjorn Helgaas

PCI: altera: Reorder read/write functions

Move cra_writel(), cra_readl(), and altera_pcie_link_is_up() so a future
patch can use them in altera_pcie_retrain().  No functional change
intended.
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent af8c34ce
...@@ -81,6 +81,22 @@ struct tlp_rp_regpair_t { ...@@ -81,6 +81,22 @@ struct tlp_rp_regpair_t {
u32 reg1; u32 reg1;
}; };
static inline void cra_writel(struct altera_pcie *pcie, const u32 value,
const u32 reg)
{
writel_relaxed(value, pcie->cra_base + reg);
}
static inline u32 cra_readl(struct altera_pcie *pcie, const u32 reg)
{
return readl_relaxed(pcie->cra_base + reg);
}
static bool altera_pcie_link_is_up(struct altera_pcie *pcie)
{
return !!((cra_readl(pcie, RP_LTSSM) & RP_LTSSM_MASK) == LTSSM_L0);
}
static void altera_pcie_retrain(struct pci_dev *dev) static void altera_pcie_retrain(struct pci_dev *dev)
{ {
u16 linkcap, linkstat; u16 linkcap, linkstat;
...@@ -120,17 +136,6 @@ static bool altera_pcie_hide_rc_bar(struct pci_bus *bus, unsigned int devfn, ...@@ -120,17 +136,6 @@ static bool altera_pcie_hide_rc_bar(struct pci_bus *bus, unsigned int devfn,
return false; return false;
} }
static inline void cra_writel(struct altera_pcie *pcie, const u32 value,
const u32 reg)
{
writel_relaxed(value, pcie->cra_base + reg);
}
static inline u32 cra_readl(struct altera_pcie *pcie, const u32 reg)
{
return readl_relaxed(pcie->cra_base + reg);
}
static void tlp_write_tx(struct altera_pcie *pcie, static void tlp_write_tx(struct altera_pcie *pcie,
struct tlp_rp_regpair_t *tlp_rp_regdata) struct tlp_rp_regpair_t *tlp_rp_regdata)
{ {
...@@ -139,11 +144,6 @@ static void tlp_write_tx(struct altera_pcie *pcie, ...@@ -139,11 +144,6 @@ static void tlp_write_tx(struct altera_pcie *pcie,
cra_writel(pcie, tlp_rp_regdata->ctrl, RP_TX_CNTRL); cra_writel(pcie, tlp_rp_regdata->ctrl, RP_TX_CNTRL);
} }
static bool altera_pcie_link_is_up(struct altera_pcie *pcie)
{
return !!((cra_readl(pcie, RP_LTSSM) & RP_LTSSM_MASK) == LTSSM_L0);
}
static bool altera_pcie_valid_config(struct altera_pcie *pcie, static bool altera_pcie_valid_config(struct altera_pcie *pcie,
struct pci_bus *bus, int dev) struct pci_bus *bus, int dev)
{ {
......
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