From: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
To: Rob Herring <robh@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Murali Karicheri <m-karicheri2@ti.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 2/3] PCI: dwc: Add common iATU register support
Date: Fri, 25 Sep 2020 18:10:21 +0900 [thread overview]
Message-ID: <aef56eed-3966-cb1b-75f3-4b5dffc710c8@socionext.com> (raw)
In-Reply-To: <20200923155700.GA820801@bogus>
Hi Rob,
On 2020/09/24 0:57, Rob Herring wrote:
> On Fri, Sep 11, 2020 at 05:50:02PM +0900, Kunihiko Hayashi wrote:
>> This gets iATU register area from reg property that has reg-names "atu".
>> In Synopsys DWC version 4.80 or later, since iATU register area is
>> separated from core register area, this area is necessary to get from
>> DT independently.
>>
>> Cc: Murali Karicheri <m-karicheri2@ti.com>
>> Cc: Jingoo Han <jingoohan1@gmail.com>
>> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
>> Suggested-by: Rob Herring <robh@kernel.org>
>> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
>> ---
>> drivers/pci/controller/dwc/pcie-designware.c | 8 +++++++-
>> 1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
>> index 4d105ef..4a360bc 100644
>> --- a/drivers/pci/controller/dwc/pcie-designware.c
>> +++ b/drivers/pci/controller/dwc/pcie-designware.c
>> @@ -10,6 +10,7 @@
>>
>> #include <linux/delay.h>
>> #include <linux/of.h>
>> +#include <linux/of_platform.h>
>> #include <linux/types.h>
>>
>> #include "../../pci.h"
>> @@ -526,11 +527,16 @@ void dw_pcie_setup(struct dw_pcie *pci)
>> u32 val;
>> struct device *dev = pci->dev;
>> struct device_node *np = dev->of_node;
>> + struct platform_device *pdev;
>>
>> if (pci->version >= 0x480A || (!pci->version &&
>> dw_pcie_iatu_unroll_enabled(pci))) {
>> pci->iatu_unroll_enabled = true;
>> - if (!pci->atu_base)
>> + pdev = of_find_device_by_node(np);
>
> Use to_platform_device(dev) instead. Put that at the beginning as I'm
> going to move 'dbi' in here too.
Okay, I'll rewrite it with to_platform_device(dev).
Should I refer somewhere to rebase to your change?
Thank you,
---
Best Regards
Kunihiko Hayashi
next prev parent reply other threads:[~2020-09-25 9:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-11 8:50 [PATCH 0/3] PCI: dwc: Move iATU register mapping to common framework Kunihiko Hayashi
2020-09-11 8:50 ` [PATCH 1/3] dt-bindings: PCI: uniphier: Add iATU register description Kunihiko Hayashi
2020-09-11 8:50 ` [PATCH 2/3] PCI: dwc: Add common iATU register support Kunihiko Hayashi
2020-09-23 15:57 ` Rob Herring
2020-09-25 9:10 ` Kunihiko Hayashi [this message]
2020-09-28 0:55 ` Kunihiko Hayashi
2020-09-11 8:50 ` [PATCH 3/3] PCI: keystone: Remove iATU register mapping Kunihiko Hayashi
2020-09-23 15:57 ` Rob Herring
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