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bcma: add bcma_core_pci_extend_L1timer

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This code is based on code from pcie_extendL1timer() in brcmsmac. This
patch is part of the move of pci specific code from brcmsmac to bcma.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hauke Mehrtens
2012-04-29 02:18:50 +02:00
committed by John W. Linville
parent 0b2948eeb1
commit 29f6b3d823
2 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/bcma/driver_pci.c
+14 -2
View File
@@ -24,14 +24,12 @@ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address)
return pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_DATA);
}
#if 0
static void bcma_pcie_write(struct bcma_drv_pci *pc, u32 address, u32 data)
{
pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address);
pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR);
pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data);
}
#endif
static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy)
{
@@ -224,3 +222,17 @@ out:
return err;
}
EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl);
void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
{
u32 w;
w = bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
if (extend)
w |= BCMA_CORE_PCI_ASPMTIMER_EXTEND;
else
w &= ~BCMA_CORE_PCI_ASPMTIMER_EXTEND;
bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w);
bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
}
EXPORT_SYMBOL_GPL(bcma_core_pci_extend_L1timer);