From 29f6b3d823885093890b1604d8450e7b57a31281 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 29 Apr 2012 02:18:50 +0200 Subject: bcma: add bcma_core_pci_extend_L1timer 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 Tested-by: Arend van Spriel Signed-off-by: John W. Linville --- drivers/bcma/driver_pci.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'drivers/bcma') diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index 4d38ae179b48..949206674dc8 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -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); -- cgit v1.2.2