[PATCH] usb: OHCI/EHCI-XLS: Use resource_size v2

[Thomas Meyer]

Use resource_size function on resource object
instead of explicit computation.

The semantic patch that makes this change is available
in scripts/coccinelle/api/resource_size.cocci.

Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---

diff -u -p a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c
--- a/drivers/usb/host/ohci-xls.c 2011-11-07 19:38:15.467036480 +0100
+++ b/drivers/usb/host/ohci-xls.c 2011-11-08 12:13:16.922398086 +0100
@@ -40,7 +40,7 @@ static int ohci_xls_probe_internal(const
 		goto err1;
 	}
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
 			driver->description)) {
diff -u -p a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c
--- a/drivers/usb/host/ehci-xls.c 2011-11-07 19:38:15.387035265 +0100
+++ b/drivers/usb/host/ehci-xls.c 2011-11-08 12:13:30.675915786 +0100
@@ -69,7 +69,7 @@ int ehci_xls_probe_internal(const struct
 	}
 
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
 				driver->description)) {
diff -u -p a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c
--- a/drivers/usb/host/ehci-xls.c 2011-11-07 19:38:15.387035265 +0100
+++ b/drivers/usb/host/ehci-xls.c 2011-11-08 12:13:40.392712706 +0100
@@ -69,7 +69,7 @@ int ehci_xls_probe_internal(const struct
 	}
 
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
 				driver->description)) {
diff -u -p a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c
--- a/drivers/usb/host/ohci-xls.c 2011-11-07 19:38:15.467036480 +0100
+++ b/drivers/usb/host/ohci-xls.c 2011-11-08 12:13:45.479447560 +0100
@@ -40,7 +40,7 @@ static int ohci_xls_probe_internal(const
 		goto err1;
 	}
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
 			driver->description)) {
diff -u -p a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c
--- a/arch/hexagon/kernel/time.c 2011-11-07 19:37:21.719553477 +0100
+++ b/arch/hexagon/kernel/time.c 2011-11-08 12:21:17.722176538 +0100
@@ -200,12 +200,10 @@ void __init time_init_deferred(void)
 		resource = rtos_timer_device.resource;
 
 	/*  ioremap here means this has to run later, after paging init  */
-	rtos_timer = ioremap(resource->start, resource->end
-		- resource->start + 1);
+	rtos_timer = ioremap(resource->start, resource_size(resource));
 
 	if (!rtos_timer) {
-		release_mem_region(resource->start, resource->end
-			- resource->start + 1);
+		release_mem_region(resource->start, resource_size(resource));
 	}
 	clocksource_register_khz(&hexagon_clocksource, pcycle_freq_mhz * 1000);
 


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