linux-kernel - [PATCH 11/11] staging: fbtft: Includes parenthesis around macro parameters and avoids multiple usage of macro parameter

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Date:   Tue, 7 Aug 2018 01:07:41 -0300
From:   Leonardo Brás <leobras.c@...il.com>
To:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 11/11] staging: fbtft: Includes parenthesis around macro
 parameters and avoids multiple usage of macro parameter - Style

Signed-off-by: Leonardo Brás <leobras.c@...il.com>
---
 drivers/staging/fbtft/fbtft.h | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h
index 41ac00239aa3..eb2bdc4870be 100644
--- a/drivers/staging/fbtft/fbtft.h
+++ b/drivers/staging/fbtft/fbtft.h
@@ -411,17 +411,21 @@ module_exit(fbtft_driver_module_exit)
 #define DEBUG_REQUEST_GPIOS_MATCH	BIT(30)
 #define DEBUG_VERIFY_GPIOS		BIT(31)
 
-#define fbtft_init_dbg(dev, format, arg...)                  \
-do {                                                         \
-	if (unlikely((dev)->platform_data &&                 \
-	    (((struct fbtft_platform_data *)(dev)->platform_data)->display.debug & DEBUG_DRIVER_INIT_FUNCTIONS))) \
-		dev_info(dev, format, ##arg);                \
+#define fbtft_init_dbg(dev, format, arg...)				\
+do {									\
+	typeof(dev) _dev = (dev);					\
+	struct fbtft_platform_data *pddev = (void *)_dev->platform_data;\
+	if (unlikely(pddev &&				\
+	    (pddev->display.debug &					\
+	     DEBUG_DRIVER_INIT_FUNCTIONS)))				\
+		dev_info(_dev, (format), ##arg);			\
 } while (0)
 
 #define fbtft_par_dbg(level, par, format, arg...)            \
 do {                                                         \
-	if (unlikely(par->debug & level))                    \
-		dev_info(par->info->device, format, ##arg);  \
+	typeof(par) _par = (par);				     \
+	if (unlikely(_par->debug & (level)))                    \
+		dev_info(_par->info->device, format, ##arg);  \
 } while (0)
 
 #define fbtft_par_dbg_hex(level, par, dev, type, buf, num, format, arg...) \
-- 
2.18.0