linux-kernel - [PATCH 1/1] mcb: Use DEFINE_RES

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Message-ID: <20210601064038.9936-1-thunder.leizhen@huawei.com>
Date:   Tue, 1 Jun 2021 14:40:38 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Johannes Thumshirn <morbidrsa@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] mcb: Use DEFINE_RES_MEM() to simplify code

The value of '.end' should be "start + size - 1". So the previous writing
should have omitted subtracted 1.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/mcb/mcb-lpc.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/mcb/mcb-lpc.c b/drivers/mcb/mcb-lpc.c
index 506676754538b9e..53decd89876ee1b 100644
--- a/drivers/mcb/mcb-lpc.c
+++ b/drivers/mcb/mcb-lpc.c
@@ -105,17 +105,8 @@ static int mcb_lpc_create_platform_device(const struct dmi_system_id *id)
 	return ret;
 }
 
-static struct resource sc24_fpga_resource = {
-	.start = 0xe000e000,
-	.end = 0xe000e000 + CHAM_HEADER_SIZE,
-	.flags = IORESOURCE_MEM,
-};
-
-static struct resource sc31_fpga_resource = {
-	.start = 0xf000e000,
-	.end = 0xf000e000 + CHAM_HEADER_SIZE,
-	.flags = IORESOURCE_MEM,
-};
+static struct resource sc24_fpga_resource = DEFINE_RES_MEM(0xe000e000, CHAM_HEADER_SIZE);
+static struct resource sc31_fpga_resource = DEFINE_RES_MEM(0xf000e000, CHAM_HEADER_SIZE);
 
 static struct platform_driver mcb_lpc_driver = {
 	.driver		= {
-- 
2.26.0.106.g9fadedd