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

From: Joao Pinto
Date: Tue Mar 07 2017 - 09:23:20 EST


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.

Bjorn: Could you please confirm?

Thanks.