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Message-Id: <201404221611.40087.arnd@arndb.de> Date: Tue, 22 Apr 2014 16:11:39 +0200 From: Arnd Bergmann <arnd@...db.de> To: Jingoo Han <jg1.han@...sung.com> Cc: "'linux-pci'" <linux-pci@...r.kernel.org>, "'Bjorn Helgaas'" <bhelgaas@...gle.com>, linux-arm-kernel@...ts.infradead.org, linaro-kernel@...ts.linaro.org, linux-kernel@...r.kernel.org, "'Liviu Dudau'" <Liviu.Dudau@....com>, "'Kukjin Kim'" <kgene.kim@...sung.com> Subject: Re: [RFC PATCH 2/2] PCI: exynos: Add PCIe support for Samsung GH7 SoC On Wednesday 16 April 2014, Jingoo Han wrote: > Samsung GH7 has four PCIe controllers which can be used as root > complex for PCIe interface. > > Signed-off-by: Jingoo Han <jg1.han@...sung.com> > --- > drivers/pci/host/Kconfig | 2 +- > drivers/pci/host/pci-exynos.c | 135 ++++++++++++++++++++++++++++++++++++++--- > 2 files changed, 126 insertions(+), 11 deletions(-) Can you explain how much the GH7 and Exynos front-ends actually have in common? Would it make sense to have a separate driver for gh7? Also, if gh7 is expected to run a full firmware, I think you should do all the setup in the firmware before booting Linux, and just do the required run-time operations in the driver itself. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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