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author | Bjorn Helgaas <bhelgaas@google.com> | 2016-07-22 15:54:41 -0500 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-07-22 15:54:41 -0500 |
commit | f8be11ae3d2c9a1338da37ff91ff4c65922d21be (patch) | |
tree | f955237ae3bdaed41dda20c471962001d9b7f23e /drivers/pci/host/pcie-altera.c | |
parent | af8c34ce6ae32addda3788d54a7e340cad22516b (diff) | |
download | linux-f8be11ae3d2c9a1338da37ff91ff4c65922d21be.tar.gz linux-f8be11ae3d2c9a1338da37ff91ff4c65922d21be.tar.bz2 linux-f8be11ae3d2c9a1338da37ff91ff4c65922d21be.zip |
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: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/pcie-altera.c')
-rw-r--r-- | drivers/pci/host/pcie-altera.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index dbac6fb3f0bd..a1e782263dec 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -81,6 +81,22 @@ struct tlp_rp_regpair_t { 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) { u16 linkcap, linkstat; @@ -120,17 +136,6 @@ static bool altera_pcie_hide_rc_bar(struct pci_bus *bus, unsigned int devfn, 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, struct tlp_rp_regpair_t *tlp_rp_regdata) { @@ -139,11 +144,6 @@ static void tlp_write_tx(struct altera_pcie *pcie, 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, struct pci_bus *bus, int dev) { |