Messages in this thread | | | Date | Thu, 05 Jun 2008 15:16:57 -0400 | From | Jeff Garzik <> | Subject | Re: [PATCH 00/18] firmware: moving drivers to request_firmware() |
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David Woodhouse wrote: > Ignoring the set of 'make fw->data const' patches which have mostly > been already posted and are fairly trivial, this is the current content > of the firmware tree at git.infradead.org/users/dwmw2/firmware-2.6.git > > It starts by giving a way to build arbitrary firmware blobs into the > kernel while letting request_firmware() find them there, and then sets > about converting drivers to use request_firmware() instead of static > data blobs, now that we can do that without forcing the users to > actually satisfy the firmware requests from userspace. > > Rather than including binary blobs in the git tree, we carry them as > .ihex files -- which as an added bonus can have comments and licensing > information appended after the EOF record. > > For the USB drivers which actually _want_ Intel HEX files in their > original form as individual records, we have a binary representation > of such and a tool to convert the original .HEX files into .fw files > in that form. And associated helpers in the kernel for validating and > using them. > > We also add a 'make firmware_install' target, which is intended to > install the firmware blobs into /lib/firmware/ where the userspace > loader to find them.
Why do we need the .ihex format?
We should be loading firmwares exactly as they come from the vendor, without any wrappers.
Jeff
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