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gpio: dwapb: Add max GPIOs macro

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Add a new macro DWAPB_MAX_GPIOS which defines the maximum possible number
of GPIO lines corresponding to the maximum DW APB GPIO controller port
width. Use the new macro instead of number literal 32 where it's
applicable.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200730152808.2955-5-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Serge Semin
2020-07-30 18:28:01 +03:00
committed by Linus Walleij
parent 75c1236a4d
commit f9f890ba2b
2 changed files with 7 additions and 5 deletions
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4
include/linux/platform_data/gpio-dwapb.h
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@@ -6,12 +6,14 @@
#ifndef GPIO_DW_APB_H
#define GPIO_DW_APB_H
#define DWAPB_MAX_GPIOS 32
struct dwapb_port_property {
struct fwnode_handle *fwnode;
unsigned int idx;
unsigned int ngpio;
unsigned int gpio_base;
int irq[32];
int irq[DWAPB_MAX_GPIOS];
bool irq_shared;
};