Re: [PATCH v5 0/3] nvmem: migrate to const void * in reg_write
Andy Shevchenko <[email protected]>
| Newsgroups | dev.linux.lists.imx,dev.linux.lists.asahi,org.infradead.lists.linux-amlogic,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-kernel,org.kernel.vger.rust-for-linux |
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On Tue, Aug 04, 2026 at 03:59:34PM +0200, Link Mauve wrote: > This callback used to take a mutable void * for no reason, which causes > the compiler to be unaware that the val buffer should never be modified > by the callback. > > This was found while drafting the nvmem-provider Rust abstraction. > > Thanks to the guidance of Andy Shevchenko, this now introduces a new > callback and deprecates the existing one, with the goal of renaming the > new one into the old one once no user remains in the kernel. FWIW, if the approach taken is okay by maintainers, Reviewed-by: Andy Shevchenko <[email protected]> I think this is right direction to go. We should use all possible ways to protect the data from corruption. -- With Best Regards, Andy Shevchenko