On Wed, Jul 29, 2015 at 12:45 AM, Dinh Nguyen <dinh.linux@xxxxxxxxx> wrote:
> On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan <lftan@xxxxxxxxxx> wrote:
>> This patch adds the Altera PCIe host controller driver.
>>
>> Signed-off-by: Ley Foon Tan <lftan@xxxxxxxxxx>
>> ---
>> 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.c
>>
>> diff --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 OF
>
> I don't think you need this, "depends on ARCH_SOCFPGA" should already
> have taken care of this.
Okay, will remove this.
>
>> + 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>
>
>> +
>> +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.
>> + }
>> +
>> + return -ENOENT;
>> +}
>> +
>
> <snip>
>
>> +
>> +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
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