Commit f2a19c5b authored Nov 15, 2019 by Andy Shevchenko Committed by Lee Jones Jan 24, 2020

mfd: syscon: Re-use resource_size() to count max_register



Instead of open coded variant use resource_size() and replace
weird '- 3' to more understandable '- 4'.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

parent 18490cdb

drivers/mfd/syscon.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -245,7 +245,7 @@ static int syscon_probe(struct platform_device *pdev)
		if (!base)
		return -ENOMEM;

		syscon_config.max_register = res->end - res->start - 3;
		syscon_config.max_register = resource_size(res) - 4;
		if (pdata)
		syscon_config.name = pdata->label;
		syscon->regmap = devm_regmap_init_mmio(dev, base, &syscon_config);

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