if (!res)
return -ENXIO;
- if (!request_mem_region(res->start, res->end - res->start + 1, "at91_i2c"))
+ if (!request_mem_region(res->start, resource_size(res), "at91_i2c"))
return -EBUSY;
- twi_base = ioremap(res->start, res->end - res->start + 1);
+ twi_base = ioremap(res->start, resource_size(res));
if (!twi_base) {
rc = -ENOMEM;
goto fail0;
rc = -ENOMEM;
goto fail2;
}
- sprintf(adapter->name, "AT91");
+ snprintf(adapter->name, sizeof(adapter->name), "AT91");
adapter->algo = &at91_algorithm;
adapter->class = I2C_CLASS_HWMON;
adapter->dev.parent = &pdev->dev;
fail1:
iounmap(twi_base);
fail0:
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
return rc;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
iounmap(twi_base);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
clk_disable(twi_clk); /* disable peripheral clock */
clk_put(twi_clk);