Re: [PATCH v2 5/7] PCI: dwc: all: Modify dbi accessors to access data of 4/2/1 bytes

From: Kishon Vijay Abraham I
Date: Tue Mar 07 2017 - 06:29:11 EST




On Tuesday 07 March 2017 04:48 PM, Joao Pinto wrote:
> Às 9:52 AM de 3/7/2017, Kishon Vijay Abraham I escreveu:
>> Previously dbi accessors can be used to access data of size 4
>> bytes. But there might be situations (like accessing
>> MSI_MESSAGE_CONTROL in order to set/get the number of required
>> MSI interrupts in EP mode) where dbi accessors must
>> be used to access data of size 2. This is in preparation for
>> adding endpoint mode support to designware driver.
>>
>> Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
>> Cc: Richard Zhu <hongxing.zhu@xxxxxxx>
>> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
>> Cc: Murali Karicheri <m-karicheri2@xxxxxx>
>> Cc: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
>> Cc: Niklas Cassel <niklas.cassel@xxxxxxxx>
>> Cc: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
>> Cc: Joao Pinto <Joao.Pinto@xxxxxxxxxxxx>
>> Cc: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
>> Cc: Gabriele Paoloni <gabriele.paoloni@xxxxxxxxxx>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
>> ---
>> drivers/pci/dwc/Kconfig | 18 ++++----
>> drivers/pci/dwc/pci-dra7xx.c | 8 ++--
>> drivers/pci/dwc/pci-exynos.c | 16 +++----
>> drivers/pci/dwc/pci-imx6.c | 54 +++++++++++-----------
>> drivers/pci/dwc/pci-keystone-dw.c | 13 +++---
>> drivers/pci/dwc/pcie-armada8k.c | 38 ++++++++--------
>> drivers/pci/dwc/pcie-artpec6.c | 6 +--
>> drivers/pci/dwc/pcie-designware-host.c | 18 ++++----
>> drivers/pci/dwc/pcie-designware.c | 77 +++++++++++++++++++-------------
>> drivers/pci/dwc/pcie-designware.h | 14 +++---
>> drivers/pci/dwc/pcie-hisi.c | 14 +++---
>> 11 files changed, 147 insertions(+), 129 deletions(-)
>>
>> diff --git a/drivers/pci/dwc/Kconfig b/drivers/pci/dwc/Kconfig
>> index dfb8a69..cb3d5d0 100644
>> --- a/drivers/pci/dwc/Kconfig
>> +++ b/drivers/pci/dwc/Kconfig
>> @@ -36,7 +36,7 @@ config PCIE_DW_PLAT
>> config PCI_EXYNOS
>> bool "Samsung Exynos PCIe controller"
>> depends on PCI
>> - depends on SOC_EXYNOS5440
>> + depends on SOC_EXYNOS5440 || COMPILE_TEST
>
> Kishon, I have the idea that Bjorn suggested some time ago not to use
> COMPILE_TEST, because there were some problems in some drivers that needed
> specific arch stuff.

sigh.. this spilled through from my testing. This Kconfig changes was
un-intentional.

Thanks
Kishon