Re: [PATCH 3/6] pci:host: Add Altera PCIe host controller driver
From: Ley Foon Tan <hidden>
Date: 2015-07-29 03:05:11
Also in:
linux-arm-kernel, linux-pci, lkml
On Wed, Jul 29, 2015 at 12:45 AM, Dinh Nguyen [off-list ref] wrote:
On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan [off-list ref] wrote:quoted
This patch adds the Altera PCIe host controller driver. Signed-off-by: Ley Foon Tan <redacted> --- drivers/pci/host/Kconfig | 9 + drivers/pci/host/Makefile | 1 + drivers/pci/host/pcie-altera.c | 576 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 586 insertions(+) create mode 100644 drivers/pci/host/pcie-altera.cdiff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig index 675c2d1..af19039 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig@@ -145,4 +145,13 @@ config PCIE_IPROC_BCMA Say Y here if you want to use the Broadcom iProc PCIe controller through the BCMA bus interface +config PCIE_ALTERA + bool "Altera PCIe controller" + depends on ARCH_SOCFPGA + depends on OFI don't think you need this, "depends on ARCH_SOCFPGA" should already have taken care of this.
Okay, will remove this.
quoted
+ select PCI_MSI_IRQ_DOMAIN if PCI_MSI + help + Say Y here if you want to enable PCIe controller support for Altera + SoCFPGA family of SoCs. + endmenu<snip>quoted
+ +static int tlp_read_packet(struct altera_pcie *pcie, u32 *value) +{ + u8 loop; + struct tlp_rp_regpair_t tlp_rp_regdata; + + for (loop = TLP_LOOP; loop > 0; loop--) { + + tlp_read_rx(pcie, &tlp_rp_regdata); + + if (tlp_rp_regdata.ctrl & RP_RXCPL_EOP) { + + if (value) + *value = tlp_rp_regdata.reg0; + + return PCIBIOS_SUCCESSFUL; + }Remove all the unnecessary newlines in this function.
Noted.
quoted
+ } + + return -ENOENT; +} +<snip>quoted
+ +static struct platform_driver altera_pcie_driver = { + .probe = altera_pcie_probe, + .remove = altera_pcie_remove, + .driver = { + .name = "altera-pcie", + .owner = THIS_MODULE,Don't need to set owner anymore as this will get populated by the driver core.
Will remove it. Thanks for reviewing. Regards Ley Foon