[RFC 4/7] mfd: ocelot-spi: Change the regmap stride to reflect the real one
From: Maxime Chevallier <maxime.chevallier@bootlin.com>
Date: 2023-03-24 09:37:42
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Subsystem:
multifunction devices (mfd), ocelot external switch control, the rest · Maintainers:
Lee Jones, Colin Foster, Linus Torvalds
When used over SPI, the register addresses needs to be translated, compared to when used over MMIO. The translation consists in applying an offset with reg_base, then downshifting the registers by 2. This actually changes the register stride from 4 to 1. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> --- drivers/mfd/ocelot-spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ocelot-spi.c b/drivers/mfd/ocelot-spi.c
index 2d1349a10ca9..107cda0544aa 100644
--- a/drivers/mfd/ocelot-spi.c
+++ b/drivers/mfd/ocelot-spi.c@@ -124,7 +124,7 @@ static int ocelot_spi_initialize(struct device *dev) 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,
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2.39.2