linux-kernel - [PATCH 6/7] mtd: denali: remove unnecessary parentheses

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Message-Id: <1410163813-31783-7-git-send-email-yamada.m@jp.panasonic.com>
Date:	Mon,  8 Sep 2014 17:10:12 +0900
From:	Masahiro Yamada <yamada.m@...panasonic.com>
To:	linux-mtd@...ts.infradead.org
Cc:	Masahiro Yamada <yamada.m@...panasonic.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	Huang Shijie <shijie8@...il.com>,
	Josh Triplett <josh@...htriplett.org>,
	"grmoore@...era.com" <grmoore@...era.com>,
	Rashika Kheria <rashika.kheria@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] mtd: denali: remove unnecessary parentheses

We should use parentheses only when they are necessary
or they really improve the readability.

Signed-off-by: Masahiro Yamada <yamada.m@...panasonic.com>
---

 drivers/mtd/nand/denali.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index d37c2e1..ed37b76 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -267,10 +267,10 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
 
 	acc_clks = CEIL_DIV(Trea[mode], CLK_X);
 
-	while (((acc_clks * CLK_X) - Trea[mode]) < 3)
+	while (acc_clks * CLK_X - Trea[mode] < 3)
 		acc_clks++;
 
-	if ((data_invalid - acc_clks * CLK_X) < 2)
+	if (data_invalid - acc_clks * CLK_X < 2)
 		dev_warn(denali->dev, "%s, Line %d: Warning!\n",
 			__FILE__, __LINE__);
 
@@ -285,7 +285,7 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
 		cs_cnt = 1;
 
 	if (Tcea[mode]) {
-		while (((cs_cnt * CLK_X) + Trea[mode]) < Tcea[mode])
+		while (cs_cnt * CLK_X + Trea[mode] < Tcea[mode])
 			cs_cnt++;
 	}
 
@@ -295,8 +295,8 @@ static void nand_onfi_timing_set(struct denali_nand_info *denali,
 #endif
 
 	/* Sighting 3462430: Temporary hack for MT29F128G08CJABAWP:B */
-	if ((ioread32(denali->flash_reg + MANUFACTURER_ID) == 0) &&
-		(ioread32(denali->flash_reg + DEVICE_ID) == 0x88))
+	if (ioread32(denali->flash_reg + MANUFACTURER_ID) == 0 &&
+		ioread32(denali->flash_reg + DEVICE_ID) == 0x88)
 		acc_clks = 6;
 
 	iowrite32(acc_clks, denali->flash_reg + ACC_CLKS);
@@ -577,7 +577,7 @@ static void denali_set_intr_modes(struct denali_nand_info *denali,
  */
 static inline bool is_flash_bank_valid(int flash_bank)
 {
-	return (flash_bank >= 0 && flash_bank < 4);
+	return flash_bank >= 0 && flash_bank < 4;
 }
 
 static void denali_irq_init(struct denali_nand_info *denali)
@@ -1103,7 +1103,7 @@ static int write_page(struct mtd_info *mtd, struct nand_chip *chip,
 				"timeout on write_page (type = %d)\n",
 				raw_xfer);
 		denali->status =
-			(irq_status & INTR_STATUS__PROGRAM_FAIL) ?
+			irq_status & INTR_STATUS__PROGRAM_FAIL ?
 			NAND_STATUS_FAIL : PASS;
 	}
 
@@ -1296,7 +1296,7 @@ static int denali_erase(struct mtd_info *mtd, int page)
 	irq_status = wait_for_irq(denali, INTR_STATUS__ERASE_COMP |
 					INTR_STATUS__ERASE_FAIL);
 
-	return (irq_status & INTR_STATUS__ERASE_FAIL) ? NAND_STATUS_FAIL : PASS;
+	return irq_status & INTR_STATUS__ERASE_FAIL ? NAND_STATUS_FAIL : PASS;
 }
 
 static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
-- 
1.9.1

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