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Vignesh R authored
commit a246b819 upstream. NBANK() macro assumes that ngpios is a multiple of 8(BANK_SZ) and hence results in 0 banks for PCA9536 which has just 4 gpios. This is wrong as PCA9356 has 1 bank with 4 gpios. This results in uninitialized PCA953X_INVERT register. Fix this by using DIV_ROUND_UP macro in NBANK(). Signed-off-by: Vignesh R <vigneshr@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
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