Re: [RFC 4/7] mfd: ocelot-spi: Change the regmap stride to reflect the real one
From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2023-03-30 09:47:49
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From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2023-03-30 09:47:49
Also in:
lkml
Hello Andrew, On Mon, 27 Mar 2023 02:02:55 +0200 Andrew Lunn [off-list ref] wrote:
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static const struct regmap_config ocelot_spi_regmap_config = { .reg_bits = 24, - .reg_stride = 4, + .reg_stride = 1, .reg_shift = REGMAP_DOWNSHIFT(2), .val_bits = 32,This does not look like a bisectable change? Or did it never work before?Actually this works in all cases because of "regmap: check for alignment on translated register addresses" in this series. Before this series, I think using a stride of 1 would have worked too, as any 4-byte-aligned accesses are also 1-byte aligned.This is the sort of think which is good to explain in the commit message. That is the place to answer questions reviewers are likely to ask for things which are not obvious from just the patch.
That's right, I will include this explanation in the next iteration. Thanks for the review, Maxime
Andrew