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gpio: davinci: Add support for multiple GPIO controllers

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Update GPIO driver to support Multiple GPIO controllers by updating
the base of subsequent GPIO chips with total of previous chips
gpio count so that gpio_add_chip gets unique numbers.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Keerthy 2017-01-17 21:49:14 +05:30 • committed by Linus Walleij
parent b5cf3fd827
commit 8e11047b8f
2 changed files with 4 additions and 1 deletions
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1
include/linux/platform_data/gpio-davinci.h
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@ -42,6 +42,7 @@ struct davinci_gpio_controller {
void __iomem *regs[MAX_REGS_BANKS];
int gpio_unbanked;
unsigned int base_irq;
unsigned int base;
};
/*