linux-kernel - [PATCH] mmc: drop unnecessary bit checking

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Message-Id: <1460718972-17306-1-git-send-email-yamada.masahiro@socionext.com>
Date:	Fri, 15 Apr 2016 20:16:12 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	linux-mmc@...r.kernel.org
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
	linux-kernel@...r.kernel.org,
	Chaotian Jing <chaotian.jing@...iatek.com>,
	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH] mmc: drop unnecessary bit checking

This if-block is going to call mmc_card_set_blockaddr(), so
mmc_card_blockaddr() right before it is redundant.

I am fixing the block comment style while I am here.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/mmc/core/mmc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 4dbe3df..c96bc81 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1483,12 +1483,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 		if (err)
 			goto free_card;
 
-		/* If doing byte addressing, check if required to do sector
+		/*
+		 * If doing byte addressing, check if required to do sector
 		 * addressing.  Handle the case of <2GB cards needing sector
 		 * addressing.  See section 8.1 JEDEC Standard JED84-A441;
 		 * ocr register has bit 30 set for sector addressing.
 		 */
-		if (!(mmc_card_blockaddr(card)) && (rocr & (1<<30)))
+		if (rocr & BIT(30))
 			mmc_card_set_blockaddr(card);
 
 		/* Erase size depends on CSD and Extended CSD */
-- 
1.9.1