platform/x86: apple-gmux: use resource_size() with res

Wang Qing · jwrdegoede · commit eb66fb03a727 · 2021-12-21T19:35:33.000+01:00
This should be (res->end - res->start + 1) here actually, use resource_size() derectly. Signed-off-by: Wang Qing <wangqing@vivo.com> Link: https://lore.kernel.org/r/1639484316-75873-1-git-send-email-wangqing@vivo.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c
@@ -625,7 +625,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
 	}
 
 	gmux_data->iostart = res->start;
-	gmux_data->iolen = res->end - res->start;
+	gmux_data->iolen = resource_size(res);
 
 	if (gmux_data->iolen < GMUX_MIN_IO_LEN) {
 		pr_err("gmux I/O region too small (%lu < %u)\n",

Original file line number	Diff line number	Diff line change
`@@ -625,7 +625,7 @@ static int gmux_probe(struct pnp_dev pnp, const struct pnp_device_id id)`
`625`	`625`	`}`
`626`	`626`
`627`	`627`	`gmux_data->iostart = res->start;`
`628`		`- gmux_data->iolen = res->end - res->start;`
	`628`	`+ gmux_data->iolen = resource_size(res);`
`629`	`629`
`630`	`630`	`if (gmux_data->iolen < GMUX_MIN_IO_LEN) {`
`631`	`631`	`pr_err("gmux I/O region too small (%lu < %u)\n",`