From: Arnd Bergmann <arnd@arndb.de>
To: Jingoo Han <jg1.han@samsung.com>
Cc: linux-arm-kernel@lists.infradead.org,
"'Thomas Petazzoni'" <thomas.petazzoni@free-electrons.com>,
"'Jason Gunthorpe'" <jgunthorpe@obsidianresearch.com>,
linux-samsung-soc@vger.kernel.org,
"'Siva Reddy Kallam'" <siva.kallam@samsung.com>,
"'Surendranath Gurivireddy Balla'" <suren.reddy@samsung.com>,
linux-pci@vger.kernel.org, devicetree-discuss@lists.ozlabs.org,
"'Thierry Reding'" <thierry.reding@avionic-design.de>,
linux-kernel@vger.kernel.org,
"'Grant Likely'" <grant.likely@secretlab.ca>,
"'Kukjin Kim'" <kgene.kim@samsung.com>,
"'Thomas Abraham'" <thomas.abraham@linaro.org>,
"'Bjorn Helgaas'" <bhelgaas@google.com>,
"'Andrew Murray'" <andrew.murray@arm.com>
Subject: Re: [PATCH V5 1/3] pci: Add PCIe driver for Samsung Exynos
Date: Wed, 19 Jun 2013 14:43:09 +0200 [thread overview]
Message-ID: <201306191443.09598.arnd@arndb.de> (raw)
In-Reply-To: <002401ce6c8a$2dd1e4a0$8975ade0$@samsung.com>
On Wednesday 19 June 2013, Jingoo Han wrote:
> Then, do you mean the following?
>
> static int __exit exynos_pcie_remove(struct platform_device *pdev)
> {
> struct pcie_port *pp = platform_get_drvdata(pdev);
>
> clk_disable_unprepare(pp->bus_clk);
> clk_disable_unprepare(pp->clk);
>
> return 0;
> }
>
> static struct platform_driver exynos_pcie_driver = {
> .remove = __exit_p(exynos_pcie_remove),
>
> [.....]
>
> /* Exynos PCIe driver does not allow module unload */
>
> static int __init pcie_init(void)
> {
> hook_fault_code(16 + 6, exynos_pcie_abort, SIGBUS, 0,
> "imprecise external abort");
>
> platform_driver_probe(&exynos_pcie_driver, exynos_pcie_probe);
>
> return 0;
> }
> subsys_initcall(pcie_init);
>
> MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
> MODULE_DESCRIPTION("Samsung PCIe host controller driver");
> MODULE_LICENSE("GPLv2");
>
Yes, this looks good. I would probably use platform_driver_register
rather than platform_driver_probe, but that is your choice. using
platform_driver_probe() mean you cannot deal with deferred probing.
Arnd
next prev parent reply other threads:[~2013-06-19 12:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-13 13:22 [PATCH V5 1/3] pci: Add PCIe driver for Samsung Exynos Jingoo Han
2013-06-13 14:13 ` Arnd Bergmann
2013-06-14 8:18 ` Jingoo Han
2013-06-14 10:53 ` Thierry Reding
2013-06-14 12:38 ` Arnd Bergmann
2013-07-17 5:07 ` Thierry Reding
2013-06-14 12:53 ` Arnd Bergmann
2013-06-17 9:45 ` Jingoo Han
2013-06-17 12:44 ` Arnd Bergmann
2013-06-18 3:52 ` Jingoo Han
2013-06-18 13:56 ` Arnd Bergmann
2013-06-19 1:13 ` Jingoo Han
2013-06-19 12:43 ` Arnd Bergmann [this message]
2013-06-20 6:41 ` Jingoo Han
2013-06-18 5:35 ` Jingoo Han
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