X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fi2c%2Fbusses%2Fi2c-at91.c;h=06e1ecb4919f6258c157358183604accb109482c;hb=6fa0fddd5f60064f22f8d389f5aeb7dd1646dfe1;hp=67d9dc5b351b57e96d41f97f1d53da5f9c7fc9a1;hpb=6b3bf2049180c4d4d6f4432f9148621410c179a9;p=karo-tx-linux.git

diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index 67d9dc5b351b..06e1ecb4919f 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -200,10 +200,10 @@ static int __devinit at91_i2c_probe(struct platform_device *pdev)
 	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;
@@ -252,7 +252,7 @@ fail2:
 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;
 }
@@ -268,7 +268,7 @@ static int __devexit at91_i2c_remove(struct platform_device *pdev)
 
 	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);