linux-kernel - [PATCH] staging: sm750fb: fix coding style issues in sm750.h

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Message-ID: <20250908052133.8888-1-qianym1996@gmail.com>
Date: Mon,  8 Sep 2025 13:21:33 +0800
From: Yiming Qian <qianym1996@...il.com>
To: sudipm.mukherjee@...il.com,
	teddy.wang@...iconmotion.com
Cc: gregkh@...uxfoundation.org,
	linux-fbdev@...r.kernel.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Yiming Qian <qianym1996@...il.com>
Subject: [PATCH] staging: sm750fb: fix coding style issues in sm750.h

This patch addresses several coding style warnings
reported by checkpatch.pl:

1. Replaces CamelCase variable names with snake_case:
   - dprBase -> dpr_base
   - dpPortBase -> dp_port_base

2. Removes unnecessary use of 'volatile' qualifier
   from the lynx_share_struct members.

These changes improve code readability and maintain
consistency with the kernel coding style guidelines.
No functional changes are introduced.

Signed-off-by: Yiming Qian <qianym1996@...il.com>
---
 drivers/staging/sm750fb/sm750.h       | 6 +++---
 drivers/staging/sm750fb/sm750_accel.c | 7 +++----
 drivers/staging/sm750fb/sm750_hw.c    | 4 ++--
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h
index d7f40efe3..fcb7d586e 100644
--- a/drivers/staging/sm750fb/sm750.h
+++ b/drivers/staging/sm750fb/sm750.h
@@ -50,9 +50,9 @@ struct init_status {
 
 struct lynx_accel {
 	/* base virtual address of DPR registers */
-	volatile unsigned char __iomem *dprBase;
+	unsigned char __iomem *dpr_base;
 	/* base virtual address of de data port */
-	volatile unsigned char __iomem *dpPortBase;
+	unsigned char __iomem *dp_port_base;
 
 	/* function pointers */
 	void (*de_init)(struct lynx_accel *accel);
@@ -128,7 +128,7 @@ struct lynx_cursor {
 	char __iomem *vstart;
 	int offset;
 	/* mmio addr of hw cursor */
-	volatile char __iomem *mmio;
+	char __iomem *mmio;
 };
 
 struct lynxfb_crtc {
diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
index 44b9e3fe3..6bee37bf5 100644
--- a/drivers/staging/sm750fb/sm750_accel.c
+++ b/drivers/staging/sm750fb/sm750_accel.c
@@ -19,17 +19,17 @@
 #include "sm750_accel.h"
 static inline void write_dpr(struct lynx_accel *accel, int offset, u32 regValue)
 {
-	writel(regValue, accel->dprBase + offset);
+	writel(regValue, accel->dpr_base + offset);
 }
 
 static inline u32 read_dpr(struct lynx_accel *accel, int offset)
 {
-	return readl(accel->dprBase + offset);
+	return readl(accel->dpr_base + offset);
 }
 
 static inline void write_dpPort(struct lynx_accel *accel, u32 data)
 {
-	writel(data, accel->dpPortBase);
+	writel(data, accel->dp_port_base);
 }
 
 void sm750_hw_de_init(struct lynx_accel *accel)
@@ -410,4 +410,3 @@ int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
 
 	return 0;
 }
-
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 7119b67ef..ce46f240c 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -58,8 +58,8 @@ int hw_sm750_map(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
 	}
 	pr_info("mmio virtual addr = %p\n", sm750_dev->pvReg);
 
-	sm750_dev->accel.dprBase = sm750_dev->pvReg + DE_BASE_ADDR_TYPE1;
-	sm750_dev->accel.dpPortBase = sm750_dev->pvReg + DE_PORT_ADDR_TYPE1;
+	sm750_dev->accel.dpr_base = sm750_dev->pvReg + DE_BASE_ADDR_TYPE1;
+	sm750_dev->accel.dp_port_base = sm750_dev->pvReg + DE_PORT_ADDR_TYPE1;
 
 	mmio750 = sm750_dev->pvReg;
 	sm750_set_chip_type(sm750_dev->devid, sm750_dev->revid);
-- 
2.51.0