linux-kernel - [PATCH 05/16] memory: omap-gpmc: Enclose macro argument usage in parenthesis

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Date:   Fri, 24 Jul 2020 20:23:17 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Markus Mayer <mmayer@...adcom.com>,
        Roger Quadros <rogerq@...com>,
        Tony Lindgren <tony@...mide.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Kukjin Kim <kgene@...nel.org>,
        Lukasz Luba <lukasz.luba@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-pm@...r.kernel.org
Cc:     Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 05/16] memory: omap-gpmc: Enclose macro argument usage in parenthesis

Macros arguments should be enclosed by parenthesis for safety.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/memory/omap-gpmc.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index c91a021ac421..62577255ba0f 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -107,8 +107,8 @@
 #define ENABLE_PREFETCH		(0x1 << 7)
 #define DMA_MPU_MODE		2
 
-#define	GPMC_REVISION_MAJOR(l)		((l >> 4) & 0xf)
-#define	GPMC_REVISION_MINOR(l)		(l & 0xf)
+#define	GPMC_REVISION_MAJOR(l)		(((l) >> 4) & 0xf)
+#define	GPMC_REVISION_MINOR(l)		((l) & 0xf)
 
 #define	GPMC_HAS_WR_ACCESS		0x1
 #define	GPMC_HAS_WR_DATA_MUX_BUS	0x2
@@ -139,27 +139,27 @@
 #define GPMC_CONFIG1_WRITEMULTIPLE_SUPP (1 << 28)
 #define GPMC_CONFIG1_WRITETYPE_ASYNC    (0 << 27)
 #define GPMC_CONFIG1_WRITETYPE_SYNC     (1 << 27)
-#define GPMC_CONFIG1_CLKACTIVATIONTIME(val) ((val & 3) << 25)
+#define GPMC_CONFIG1_CLKACTIVATIONTIME(val) (((val) & 3) << 25)
 /** CLKACTIVATIONTIME Max Ticks */
 #define GPMC_CONFIG1_CLKACTIVATIONTIME_MAX 2
-#define GPMC_CONFIG1_PAGE_LEN(val)      ((val & 3) << 23)
+#define GPMC_CONFIG1_PAGE_LEN(val)      (((val) & 3) << 23)
 /** ATTACHEDDEVICEPAGELENGTH Max Value */
 #define GPMC_CONFIG1_ATTACHEDDEVICEPAGELENGTH_MAX 2
 #define GPMC_CONFIG1_WAIT_READ_MON      (1 << 22)
 #define GPMC_CONFIG1_WAIT_WRITE_MON     (1 << 21)
-#define GPMC_CONFIG1_WAIT_MON_TIME(val) ((val & 3) << 18)
+#define GPMC_CONFIG1_WAIT_MON_TIME(val) (((val) & 3) << 18)
 /** WAITMONITORINGTIME Max Ticks */
 #define GPMC_CONFIG1_WAITMONITORINGTIME_MAX  2
-#define GPMC_CONFIG1_WAIT_PIN_SEL(val)  ((val & 3) << 16)
-#define GPMC_CONFIG1_DEVICESIZE(val)    ((val & 3) << 12)
+#define GPMC_CONFIG1_WAIT_PIN_SEL(val)  (((val) & 3) << 16)
+#define GPMC_CONFIG1_DEVICESIZE(val)    (((val) & 3) << 12)
 #define GPMC_CONFIG1_DEVICESIZE_16      GPMC_CONFIG1_DEVICESIZE(1)
 /** DEVICESIZE Max Value */
 #define GPMC_CONFIG1_DEVICESIZE_MAX     1
-#define GPMC_CONFIG1_DEVICETYPE(val)    ((val & 3) << 10)
+#define GPMC_CONFIG1_DEVICETYPE(val)    (((val) & 3) << 10)
 #define GPMC_CONFIG1_DEVICETYPE_NOR     GPMC_CONFIG1_DEVICETYPE(0)
-#define GPMC_CONFIG1_MUXTYPE(val)       ((val & 3) << 8)
+#define GPMC_CONFIG1_MUXTYPE(val)       (((val) & 3) << 8)
 #define GPMC_CONFIG1_TIME_PARA_GRAN     (1 << 4)
-#define GPMC_CONFIG1_FCLK_DIV(val)      (val & 3)
+#define GPMC_CONFIG1_FCLK_DIV(val)      ((val) & 3)
 #define GPMC_CONFIG1_FCLK_DIV2          (GPMC_CONFIG1_FCLK_DIV(1))
 #define GPMC_CONFIG1_FCLK_DIV3          (GPMC_CONFIG1_FCLK_DIV(2))
 #define GPMC_CONFIG1_FCLK_DIV4          (GPMC_CONFIG1_FCLK_DIV(3))
-- 
2.17.1