On Thursday 27 March 2014 09:13 AM, Jingoo Han wrote:
> On Wednesday, March 26, 2014 10:58 PM, Kishon Vijay Abraham I wrote:
>>
>> Added support for pcie controller in dra7xx. This driver re-uses
>> the designware core code that is already present in kernel.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>
> Hi Kishon,
> Long time no see! I added trivial comments.
yeah, these were in my TODO for a long time. Sorry for it though.
>
>> ---
>> Documentation/devicetree/bindings/pci/ti-pci.txt | 35 ++
>> drivers/pci/host/Kconfig | 10 +
>> drivers/pci/host/Makefile | 1 +
>> drivers/pci/host/pcie-dra7xx.c | 411 ++++++++++++++++++++++
>
> How about using 'pci-' prefix?
> As it was discussed earlier, 'pci-' prefix is more proper.
>
>> 4 files changed, 457 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/pci/ti-pci.txt
>> create mode 100644 drivers/pci/host/pcie-dra7xx.c
>
> [.....]
>
>> --- /dev/null
>> +++ b/drivers/pci/host/pcie-dra7xx.c
>
> [.....]
>
>> +#define PCIECTRL_TI_CONF_IRQSTATUS_MAIN 0x0024
>> +#define PCIECTRL_TI_CONF_IRQENABLE_SET_MAIN 0x0028
>
> I don't think that it's good to add vendor names such as TI
> to SFR names.
>
> How about adding 'DRA7XX' or just removing 'TI'?
>
> 1. PCIECTRL_DRA7XX_CONF_IRQSTATUS_MAIN
ok.
>
> 2. PCIECTRL_CONF_IRQSTATUS_MAIN
>
> [.....]
>
>> +enum dra7xx_pcie_device_type {
>> + DRA7XX_PCIE_UNKNOWN_TYPE,
>> + DRA7XX_PCIE_EP_TYPE,
>> + DRA7XX_PCIE_LEG_EP_TYPE,
>> + DRA7XX_PCIE_RC_TYPE,
>> +};
>
> This driver can support only RC mode, so, these enum can be removed.
>
> [.....]
>
>> + of_property_read_u32(node, "ti,device-type", &device_type);
>> + switch (device_type) {
>> + case DRA7XX_PCIE_RC_TYPE:
>> + dra7xx_pcie_writel(dra7xx->base,
>> + PCIECTRL_TI_CONF_DEVICE_TYPE, DEVICE_TYPE_RC);
>> + break;
>> + case DRA7XX_PCIE_EP_TYPE:
>> + dra7xx_pcie_writel(dra7xx->base,
>> + PCIECTRL_TI_CONF_DEVICE_TYPE, DEVICE_TYPE_EP);
>> + break;
>> + case DRA7XX_PCIE_LEG_EP_TYPE:
>> + dra7xx_pcie_writel(dra7xx->base,
>> + PCIECTRL_TI_CONF_DEVICE_TYPE, DEVICE_TYPE_LEG_EP);
>> + break;
>> + default:
>> + dev_dbg(dev, "UNKNOWN device type %d\n", device_type);
>> + }
>
> Thus, this switch can be removed.
sure.
Thanks
Kishon
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