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Date: Tue, 6 Oct 2015 09:14:47 +0200 From: Linus Walleij <linus.walleij@...aro.org> To: William Breathitt Gray <vilhelm.gray@...il.com> Cc: Bjorn Helgaas <bhelgaas@...gle.com>, Alexandre Courbot <gnurou@...il.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org> Subject: Re: [PATCH] GPIO: Add GPIO support for the ACCES 104-IDIO-16 On Tue, Oct 6, 2015 at 1:11 AM, William Breathitt Gray <vilhelm.gray@...il.com> wrote: > On 10/05/2015 06:47 PM, Bjorn Helgaas wrote: >> I'm really not familiar with PC/104, but wikipedia claims it only uses >> ISA. Apparently PCI/104-Plus, PCI-104, PCI/104-Express, and PCIe/104 >> *do* have PCI and/or PCIe, but it looks like the base PC/104 does not. > > This is correct: PC/104 is only ISA. OK then let's drop that confusing "PCI GPIO expanders" menu. Maybe "ISA GPIO cards" or similar is more apropriate. > The ACCES 104-IDIO-16 board is a > PC/104 stackable GPIO board, whose port address is configured via > physical jumper switches on the board; it is not "hotpluggable." For > this reason, the CONFIG_104_IDIO_16_BASE option should be set to the > same port address physically configured on the board. I think the pattern in the kernel is to support such configuration for ISA is with module parameters, not with compile-time constants. So switch that base to use a module parameter. Yours, Linus Walleij -- 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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