[PATCH] phy: add axis artpec8 pcie phy driver

이왕석 wangseok.lee at samsung.com
Mon Mar 28 23:14:27 PDT 2022


> --------- Original Message ---------
> Sender : Krzysztof Kozlowski 
> Date : 2022-01-28 20:17 (GMT+09:00)
> Title : Re: [PATCH] phy: add axis artpec8 pcie phy driver
> To : 이왕석<wangseok.lee at samsung.com>
> Cc : kishon at ti.com<kishon at ti.com>, vkoul at kernel.org<vkoul at kernel.org>, linux-phy at lists.infradead.org<linux-phy at lists.infradead.org>
> 
> On Fri, Jan 28, 2022 at 03:01:42PM +0900, 이왕석 wrote:
>> add axis artpec8 pcie phy driver
>> 
>> Signed-off-by: wangseok.lee 
>> ---
>>  drivers/phy/artpec/Kconfig            |   7 +
>>  drivers/phy/artpec/Makefile           |   2 +
>>  drivers/phy/artpec/phy-artpec8-pcie.c | 880 ++++++++++++++++++++++++++++++++++
>>  3 files changed, 889 insertions(+)
>>  create mode 100644 drivers/phy/artpec/Kconfig
>>  create mode 100644 drivers/phy/artpec/Makefile
>>  create mode 100644 drivers/phy/artpec/phy-artpec8-pcie.c
>> 
>> diff --git a/drivers/phy/artpec/Kconfig b/drivers/phy/artpec/Kconfig
>> new file mode 100644
>> index 0000000..68c5ecb
>> --- /dev/null
>> +++ b/drivers/phy/artpec/Kconfig
>> @@ -0,0 +1,7 @@
>> +config PHY_ARTPEC8_PCIE
>> +	bool "ARTPEC-8 PCIe PHY driver"
>> +	depends on OF && (ARCH_ARTPEC8 || COMPILE_TEST)
> 
> What is ARCH_ARTPEC8?
> 
>> +	select GENERIC_PHY
>> +	help
>> +	  Enable PCIe PHY support for ARTPEC-8.
>> +	  This driver provides PHY interface for ARTPEC-8 PCIe controller.
>> diff --git a/drivers/phy/artpec/Makefile b/drivers/phy/artpec/Makefile
>> new file mode 100644
>> index 0000000..45d853c
>> --- /dev/null
>> +++ b/drivers/phy/artpec/Makefile
>> @@ -0,0 +1,2 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +obj-$(CONFIG_PHY_ARTPEC8_PCIE)		+= phy-artpec8-pcie.o
>> diff --git a/drivers/phy/artpec/phy-artpec8-pcie.c b/drivers/phy/artpec/phy-artpec8-pcie.c
>> new file mode 100644
>> index 0000000..1d1f37f
>> --- /dev/null
>> +++ b/drivers/phy/artpec/phy-artpec8-pcie.c
>> @@ -0,0 +1,880 @@
>> +// SPDX-License-Identifier: GPL-2.0-only
>> +/*
>> + * PHY provider for ARTPEC-8 PCIe controller
>> + *
>> + * Copyright (C) 2019 Samsung Electronics Co., Ltd.
>> + *		http://www.samsung.com
>> + *
>> + * Author: Jaeho Cho 
>> + */
>> +
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
>> +#include 
> 
> This does not exist. I don't think you compiled it. If that's the case,
> such code should not be posted to the mailing list...
> 
> One more comment later but in general there is no point in reviewing
> unbuildable code.
> 
>> +#include 
>> +
>> +/* ARTPEC-8 PCIe PHY registers */
>> +/* CMN registers */
> 
> (...)
> 
>> +
>> +static const struct phy_ops artpec8_phy_ops = {
>> +	.init		= artpec8_pcie_phy_init,
>> +	.exit		= artpec8_pcie_phy_exit,
>> +	.reset		= artpec8_pcie_phy_reset,
>> +	.power_on	= artpec8_pcie_phy_power_on,
>> +	.power_off	= artpec8_pcie_phy_power_off,
>> +	.owner		= THIS_MODULE,
>> +};
>> +
>> +static const struct artpec8_pcie_phy_data artpec8_pcie_phy_data = {
>> +	.ops		= &artpec8_phy_ops,
>> +};
>> +
>> +static const struct of_device_id artpec8_pcie_phy_match[] = {
>> +	{
>> +		.compatible = "samsung,artpec8-pcie-phy",
> 
> Where is it documented? Did you run checkpatch?
> 
> 
> Best regards,
> Krzysztof

Hello, Krzysztof

I have sent a new patch set by combining the items 
that should be merged with this patch.
Please ignore this patch and refer to the new patch set.

https://lore.kernel.org/lkml/20220328014430epcms2p7063834feb0abdf2f38a62723c96c9ff1@epcms2p7/T/

Thnaks.

>> +
>> +	if (artpec8_phy->soc_pll_clk)
>> +		clk_disable_unprepare(artpec8_phy->soc_pll_clk);
>> +
>> +	return 0;
>> +}
>> +
>> +static struct platform_driver artpec8_pcie_phy_driver = {
>> +	.probe	= artpec8_pcie_phy_probe,
>> +	.remove	= __exit_p(artpec8_pcie_phy_remove),
>> +	.driver = {
>> +		.of_match_table	= artpec8_pcie_phy_match,
>> +		.name		= "artpec8_pcie_phy",
>> +	}
>> +};
>> +
>> +module_platform_driver(artpec8_pcie_phy_driver);
>> +
>> +MODULE_LICENSE("GPL v2");
>> +MODULE_AUTHOR("Jaeho Cho ");
>> -- 
>> 2.9.5
>> 
>> -- 
>> linux-phy mailing list
>> linux-phy at lists.infradead.org
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