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From:   "Shradha Todi" <shradha.t@samsung.com>
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In-Reply-To: <1609929900-19082-1-git-send-email-shradha.t@samsung.com>
Subject: RE: [PATCH v2] PCI: dwc: Change size to u64 for EP outbound iATU
Date:   Tue, 19 Jan 2021 15:42:03 +0530
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References: <CGME20210106104514epcas5p37d8e3a88aefdf109f7fb4157d4a1f07a@epcas5p3.samsung.com>
        <1609929900-19082-1-git-send-email-shradha.t@samsung.com>
Precedence: bulk

Gentle Ping.
Thanks.

> -----Original Message-----
> From: Shradha Todi <shradha.t@samsung.com>
> Subject: [PATCH v2] PCI: dwc: Change size to u64 for EP outbound iATU
> 
> Since outbound iATU permits size to be greater than 4GB for which the
> support is also available, allow EP function to send u64 size instead of
> truncating to u32.
> 
> Signed-off-by: Shradha Todi <shradha.t@samsung.com>
> ---
> v1: https://lkml.org/lkml/2020/12/18/690
> v2:
>    Addressed Bjorn's review on to keep commit message length limit to 75
> 
>  drivers/pci/controller/dwc/pcie-designware.c | 2 +-
>  drivers/pci/controller/dwc/pcie-designware.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-designware.c
> b/drivers/pci/controller/dwc/pcie-designware.c
> index 1d62ca9..db407ed 100644
> --- a/drivers/pci/controller/dwc/pcie-designware.c
> +++ b/drivers/pci/controller/dwc/pcie-designware.c
> @@ -326,7 +326,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci,
> int index, int type,
> 
>  void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int
> index,
>  				  int type, u64 cpu_addr, u64 pci_addr,
> -				  u32 size)
> +				  u64 size)
>  {
>  	__dw_pcie_prog_outbound_atu(pci, func_no, index, type,
>  				    cpu_addr, pci_addr, size);
> diff --git a/drivers/pci/controller/dwc/pcie-designware.h
> b/drivers/pci/controller/dwc/pcie-designware.h
> index 7da79eb..359151f 100644
> --- a/drivers/pci/controller/dwc/pcie-designware.h
> +++ b/drivers/pci/controller/dwc/pcie-designware.h
> @@ -302,7 +302,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci,
> int index,
>  			       u64 size);
>  void dw_pcie_prog_ep_outbound_atu(struct dw_pcie *pci, u8 func_no, int
> index,
>  				  int type, u64 cpu_addr, u64 pci_addr,
> -				  u32 size);
> +				  u64 size);
>  int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, u8 func_no, int index,
>  			     int bar, u64 cpu_addr,
>  			     enum dw_pcie_as_type as_type);
> --
> 2.7.4