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The current implementation, besides having no active users, is broken by design of regmap. For 64-bit IO we need to supply 64-bit value, otherwise there is no way to handle upper 32 bits in 64-bit register. Hence, remove the broken IO accessors for good and wait for real user that can fix entire regmap API for that. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: William Breathitt Gray <william.gray@linaro.org> Link: https://lore.kernel.org/r/20220808203401.35153-3-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>