linux-kernel - [PATCH 1/3] mcb: Use DEFINE_RES

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Message-Id: <1eefa01948355a890b18a68c1eb6a90dc9dc6a87.1623768541.git.johannes.thumshirn@wdc.com>
Date:   Tue, 15 Jun 2021 23:55:28 +0900
From:   Johannes Thumshirn <johannes.thumshirn@....com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Johannes Thumshirn <johannes.thumshirn@....com>,
        Zhen Lei <thunder.leizhen@...wei.com>,
        Johannes Thumshirn <jth@...nel.org>
Subject: [PATCH 1/3] mcb: Use DEFINE_RES_MEM() to simplify code

From: Zhen Lei <thunder.leizhen@...wei.com>

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>
Signed-off-by: Johannes Thumshirn <jth@...nel.org>
---
 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 506676754538..53decd89876e 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		= {
-- 
2.31.1