Messages in this thread | | | Date | Fri, 22 Nov 2013 12:08:51 +0200 | Subject | Re: [PATCH v6 1/6] gpio: davinci: use readl/writel instead of __raw_* | From | Taras Kondratiuk <> |
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On 21 November 2013 20:15, Prabhakar Lad <prabhakar.csengg@gmail.com> wrote: > From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> > > This patch replaces the __raw_readl/writel with > readl and writel, Altough the code runs on ARMv5 > based SOCs, changing this will help copying the code > for other uses.
This replacement has a functional impact: it adds memory barriers. Please note this in the description. Also please add a bit of explanation on why do you need to add barriers.
-- Regards, Taras Kondratiuk
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