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Groups > linux.kernel > #1641028

[PATCH 4/9] staging: sm750fb: removing unnecessary binary operations

From Matej Dujava <mdujava@kocurkovo.cz>
Newsgroups linux.kernel
Subject [PATCH 4/9] staging: sm750fb: removing unnecessary binary operations
Date 2017-05-14 00:50 +0200
Message-ID <tGO1k-1w0-19@gated-at.bofh.it> (permalink)
References <tGO1j-1w0-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This patch remove unnecessary operation (eg. ``X | (0x0 << Y)`` to ``X``).

Signed-off-by: Matej Dujava <mdujava@kocurkovo.cz>
---
 drivers/staging/sm750fb/ddk750_display.h | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/sm750fb/ddk750_display.h b/drivers/staging/sm750fb/ddk750_display.h
index cef7f46..f9e1614 100644
--- a/drivers/staging/sm750fb/ddk750_display.h
+++ b/drivers/staging/sm750fb/ddk750_display.h
@@ -9,8 +9,8 @@
 #define PNL_2_OFFSET	0
 #define PNL_2_MASK	(3 << PNL_2_OFFSET)
 #define PNL_2_USAGE	(PNL_2_MASK << 16)
-#define PNL_2_PRI	((0 << PNL_2_OFFSET) | PNL_2_USAGE)
-#define PNL_2_SEC	((2 << PNL_2_OFFSET) | PNL_2_USAGE)
+#define PNL_2_PRI	(PNL_2_USAGE)
+#define PNL_2_SEC	(PNL_2_USAGE | (2 << PNL_2_OFFSET))
 
 /*
  * primary timing & plane enable bit
@@ -20,8 +20,8 @@
 #define PRI_TP_OFFSET	4
 #define PRI_TP_MASK	BIT(PRI_TP_OFFSET)
 #define PRI_TP_USAGE	(PRI_TP_MASK << 16)
-#define PRI_TP_ON	((0x1 << PRI_TP_OFFSET) | PRI_TP_USAGE)
-#define PRI_TP_OFF	((0x0 << PRI_TP_OFFSET) | PRI_TP_USAGE)
+#define PRI_TP_ON	(PRI_TP_USAGE | BIT(PRI_TP_OFFSET))
+#define PRI_TP_OFF	(PRI_TP_USAGE)
 
 /*
  * panel sequency status
@@ -30,8 +30,8 @@
 #define PNL_SEQ_OFFSET	6
 #define PNL_SEQ_MASK	BIT(PNL_SEQ_OFFSET)
 #define PNL_SEQ_USAGE	(PNL_SEQ_MASK << 16)
-#define PNL_SEQ_ON	(BIT(PNL_SEQ_OFFSET) | PNL_SEQ_USAGE)
-#define PNL_SEQ_OFF	((0 << PNL_SEQ_OFFSET) | PNL_SEQ_USAGE)
+#define PNL_SEQ_ON	(PNL_SEQ_USAGE | BIT(PNL_SEQ_OFFSET))
+#define PNL_SEQ_OFF	(PNL_SEQ_USAGE)
 
 /*
  * dual digital output
@@ -40,8 +40,8 @@
 #define DUAL_TFT_OFFSET	8
 #define DUAL_TFT_MASK	BIT(DUAL_TFT_OFFSET)
 #define DUAL_TFT_USAGE	(DUAL_TFT_MASK << 16)
-#define DUAL_TFT_ON	(BIT(DUAL_TFT_OFFSET) | DUAL_TFT_USAGE)
-#define DUAL_TFT_OFF	((0 << DUAL_TFT_OFFSET) | DUAL_TFT_USAGE)
+#define DUAL_TFT_ON	(DUAL_TFT_USAGE | BIT(DUAL_TFT_OFFSET))
+#define DUAL_TFT_OFF	(DUAL_TFT_USAGE)
 
 /*
  * secondary timing & plane enable bit
@@ -51,8 +51,8 @@
 #define SEC_TP_OFFSET	5
 #define SEC_TP_MASK	BIT(SEC_TP_OFFSET)
 #define SEC_TP_USAGE	(SEC_TP_MASK << 16)
-#define SEC_TP_ON	((0x1 << SEC_TP_OFFSET) | SEC_TP_USAGE)
-#define SEC_TP_OFF	((0x0 << SEC_TP_OFFSET) | SEC_TP_USAGE)
+#define SEC_TP_ON	(SEC_TP_USAGE | BIT(SEC_TP_OFFSET))
+#define SEC_TP_OFF	(SEC_TP_USAGE)
 
 /*
  * crt path select
@@ -61,8 +61,8 @@
 #define CRT_2_OFFSET	2
 #define CRT_2_MASK	(3 << CRT_2_OFFSET)
 #define CRT_2_USAGE	(CRT_2_MASK << 16)
-#define CRT_2_PRI	((0x0 << CRT_2_OFFSET) | CRT_2_USAGE)
-#define CRT_2_SEC	((0x2 << CRT_2_OFFSET) | CRT_2_USAGE)
+#define CRT_2_PRI	(CRT_2_USAGE)
+#define CRT_2_SEC	(CRT_2_USAGE | (0x2 << CRT_2_OFFSET))
 
 /*
  * DAC affect both DVI and DSUB
@@ -71,8 +71,8 @@
 #define DAC_OFFSET	7
 #define DAC_MASK	BIT(DAC_OFFSET)
 #define DAC_USAGE	(DAC_MASK << 16)
-#define DAC_ON		((0x0 << DAC_OFFSET) | DAC_USAGE)
-#define DAC_OFF		((0x1 << DAC_OFFSET) | DAC_USAGE)
+#define DAC_ON		(DAC_USAGE)
+#define DAC_OFF		(DAC_USAGE | BIT(DAC_OFFSET))
 
 /*
  * DPMS only affect D-SUB head
@@ -81,8 +81,8 @@
 #define DPMS_OFFSET	9
 #define DPMS_MASK	(3 << DPMS_OFFSET)
 #define DPMS_USAGE	(DPMS_MASK << 16)
-#define DPMS_ON		((0 << DPMS_OFFSET) | DPMS_USAGE)
-#define DPMS_OFF	((3 << DPMS_OFFSET) | DPMS_USAGE)
+#define DPMS_ON		(DPMS_USAGE)
+#define DPMS_OFF	(DPMS_USAGE | (0x3 << DPMS_OFFSET))
 
 /*
  * LCD1 means panel path TFT1  & panel path DVI (so enable DAC)
-- 
1.8.3.1

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Thread

[PATCH 0/9] staging: sm750fb: cleaning code Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
  [PATCH 1/9] staging: sm750fb: fix length of lines Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
    Re: [PATCH 1/9] staging: sm750fb: fix length of lines Dan Carpenter <dan.carpenter@oracle.com> - 2017-05-15 10:40 +0200
  [PATCH 8/9] staging: sm750fb: Remove typedef from "typedef enum _DPMS_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
  [PATCH 2/9] staging: sm750fb: unifying macro definitions Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
  [PATCH 3/9] staging: sm750fb: reordering of macro definitions Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
    Re: [PATCH 3/9] staging: sm750fb: reordering of macro definitions Greg KH <greg@kroah.com> - 2017-05-15 12:30 +0200
  [PATCH 9/9] staging: sm750fb: Remove typedef from "typedef enum _sii164_hot_plug_mode_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
  [PATCH 7/9] staging: sm750fb: Remove typedef from "typedef enum _disp_output_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
  [PATCH 4/9] staging: sm750fb: removing unnecessary binary operations Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
    Re: [PATCH 4/9] staging: sm750fb: removing unnecessary binary  operations Greg KH <greg@kroah.com> - 2017-05-15 12:30 +0200
  [PATCH 6/9] staging: sm750fb: Remove typedef from "typedef enum _clock_type_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-14 00:50 +0200
  Re: [PATCH 0/9] staging: sm750fb: cleaning code Greg KH <greg@kroah.com> - 2017-05-15 12:30 +0200
  [PATCH v2 0/7] staging: sm750fb: cleaning code Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 00:00 +0200
    [PATCH v2 3/7] staging: sm750fb: Remove typedef from "typedef enum _logical_chip_type_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 00:00 +0200
    [PATCH v2 5/7] staging: sm750fb: Remove typedef from "typedef enum _disp_output_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 00:00 +0200
    [PATCH v2 2/7] staging: sm750fb: unifying macro usage and definitions Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 00:00 +0200
    [PATCH v2 1/7] staging: sm750fb: fix length of lines, function calls and declaration Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 00:00 +0200
    [PATCH v3 0/7] staging: sm750fb: cleaning code Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 11:30 +0200
      [PATCH v3 6/7] staging: sm750fb: Remove typedef from "typedef enum _DPMS_t" Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 11:30 +0200
      [PATCH v3 1/7] staging: sm750fb: fix length of lines, function calls and declaration Matej Dujava <mdujava@kocurkovo.cz> - 2017-05-16 11:30 +0200
      Re: [PATCH v3 0/7] staging: sm750fb: cleaning code Greg KH <gregkh@linuxfoundation.org> - 2017-05-16 13:40 +0200

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