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[ Upstream commit28e7f8ff90] The GENMASK(h, l) macro creates a contiguous bitmask starting at bit position @l and ending at position @h, inclusive. This did not trigger any error checks, as the individual register fields cover at most 3 of the 4 available bits. Fixes:08df16e07a("pinctrl: sh-pfc: checker: Add drive strength register checks") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/8f82d6147fbe3367d4c83962480e97f58d9c96a2.1633615652.git.geert+renesas@glider.be Signed-off-by: Sasha Levin <sashal@kernel.org>