regulator updates in 3.6
Linux 3.6, which was released earlier today, saw continuing improvements in the factoring out of common code in the API – lots of new features making drivers smaller and easier to write! Initial...
View ArticleASoC updates in 3.6
Linux v3.6 was another quiet release for ASoC with just a single notable framework feature being merged: Added the ability to add and remove DAPM paths dynamically, mostly for reparenting on clock...
View ArticleNew job
A few months ago I started a new job at Linaro as the technical lead for the Linaro Stable Kernel – I just posted a brief thing what I’m up to now over on the Linaro blog.
View ArticleHuman factors
An issue which I always find depressing but sadly unsurprising in discussions of process with software is the frequent disregard for human elements; indeed often the goal people have in creating...
View ArticleKernel build times for automated builders
Over the past year or so various people have been automating kernel builds with the aim of both setting the standard that things should build reliably and using the resulting builds for automated...
View ArticleMaximising the efficiency of chained regulators
Linux v4.4 will include a cool new feature contributed by Sascha Hauer of Pengutronix which propagates voltages set on a regulator to the regulators that supply it (taking into account the minimum...
View ArticleMaintaining your email
One of the difficulties of being a kernel maintainer for a busy subsystem is that you will often end up getting a lot of mail that requires reading and handling which in turn requires sending a lot of...
View ArticlePerformance problems
Just over a year ago I implemented an optimization to the SPI core code in Linux that avoids some needless context switches to a worker thread in the main data path that most clients use. This was...
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OpenTAC sprint
This weekend Toby Churchill kindly hosted a hacking weekend for OpenTAC – myself, Michael Grzeschik, Steve McIntyre and Andy Simpkins got together to bring up the remaining bits of the hardware on the...
View ArticleWe show up
It’s really common for pitches to managements within companies about Linux kernel upstreaming to focus on cost savings to vendors from getting their code into the kernel, especially in the embedded...
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