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PCI: altera: Reorder read/write functions

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commit f8be11ae3d upstream.

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>
Cc: Claudius Heine <claudius.heine.ext@siemens.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bjorn Helgaas
2016-07-22 15:54:41 -05:00
committed by Greg Kroah-Hartman
parent ecd77ebfa6
commit 9efffbc819
1 changed files with 16 additions and 16 deletions
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32
drivers/pci/host/pcie-altera.c
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@@ -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)
{