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Message-ID: <015280f6-cf13-9a36-6ae7-77476d089af4@nvidia.com>
Date:   Wed, 28 Aug 2019 21:46:26 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     Andrew Murray <andrew.murray@....com>
CC:     <lorenzo.pieralisi@....com>, <bhelgaas@...gle.com>,
        <robh+dt@...nel.org>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <kishon@...com>,
        <gustavo.pimentel@...opsys.com>, <digetx@...il.com>,
        <mperttunen@...dia.com>, <linux-pci@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <kthota@...dia.com>,
        <mmaddireddy@...dia.com>, <sagar.tv@...il.com>
Subject: Re: [PATCH V2 3/6] PCI: tegra: Add support to configure sideband pins

On 8/28/2019 8:37 PM, Andrew Murray wrote:
> On Wed, Aug 28, 2019 at 06:45:02PM +0530, Vidya Sagar wrote:
>> Add support to configure sideband signal pins when information is present
>> in respective controller's device-tree node.
>>
>> Signed-off-by: Vidya Sagar <vidyas@...dia.com>
>> ---
>> V2:
>> * Addressed review comment from Andrew Murray
>> * Handled failure case of pinctrl_pm_select_default_state() cleanly
>>
>>   drivers/pci/controller/dwc/pcie-tegra194.c | 11 +++++++++--
>>   1 file changed, 9 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
>> index fc0dbeb31d78..057ba4f9fbcd 100644
>> --- a/drivers/pci/controller/dwc/pcie-tegra194.c
>> +++ b/drivers/pci/controller/dwc/pcie-tegra194.c
>> @@ -1304,8 +1304,13 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie)
>>   	if (ret < 0) {
>>   		dev_err(dev, "Failed to get runtime sync for PCIe dev: %d\n",
>>   			ret);
>> -		pm_runtime_disable(dev);
>> -		return ret;
>> +		goto fail_pm_get_sync;
>> +	}
>> +
>> +	ret = pinctrl_pm_select_default_state(pcie->dev);
> 
> This patch looks OK, though you're still using pcie->dev here instead of dev.
I'll take care of this.
Thanks for the thorough review.

- Vidya Sagar

> 
> Thanks,
> 
> Andrew Murray
> 
>> +	if (ret < 0) {
>> +		dev_err(dev, "Failed to configure sideband pins: %d\n", ret);
>> +		goto fail_pinctrl;
>>   	}
>>   
>>   	tegra_pcie_init_controller(pcie);
>> @@ -1332,7 +1337,9 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie)
>>   
>>   fail_host_init:
>>   	tegra_pcie_deinit_controller(pcie);
>> +fail_pinctrl:
>>   	pm_runtime_put_sync(dev);
>> +fail_pm_get_sync:
>>   	pm_runtime_disable(dev);
>>   	return ret;
>>   }
>> -- 
>> 2.17.1
>>

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