Thread (1 message) flat view 1 message, 1 author, 2023-08-08

Re: [PATCH v2 01/28] soc: fsl: cpm1: tsa: Fix __iomem addresses declaration

From: Christophe Leroy <hidden>
Date: 2023-08-08 16:42:43
Also in: alsa-devel, linux-devicetree, linux-gpio, linuxppc-dev, lkml, netdev


Le 26/07/2023 à 17:01, Herve Codina a écrit :
Running sparse (make C=1) on tsa.c raises a lot of warning such as:
   --- 8< ---
   warning: incorrect type in assignment (different address spaces)
      expected void *[noderef] si_regs
      got void [noderef] __iomem *
   --- 8< ---

Indeed, some variable were declared 'type *__iomem var' instead of
'type __iomem *var'.

Use the correct declaration to remove these warnings.

Fixes: 1d4ba0b81c1c ("soc: fsl: cpm1: Add support for TSA")
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Reviewed-by: Christophe Leroy <redacted>
quoted hunk
---
  drivers/soc/fsl/qe/tsa.c | 22 +++++++++++-----------
  1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c
index 3646153117b3..e0527b9efd05 100644
--- a/drivers/soc/fsl/qe/tsa.c
+++ b/drivers/soc/fsl/qe/tsa.c
@@ -98,9 +98,9 @@
  #define TSA_SIRP	0x10
  
  struct tsa_entries_area {
-	void *__iomem entries_start;
-	void *__iomem entries_next;
-	void *__iomem last_entry;
+	void __iomem *entries_start;
+	void __iomem *entries_next;
+	void __iomem *last_entry;
  };
  
  struct tsa_tdm {
@@ -117,8 +117,8 @@ struct tsa_tdm {
  
  struct tsa {
  	struct device *dev;
-	void *__iomem si_regs;
-	void *__iomem si_ram;
+	void __iomem *si_regs;
+	void __iomem *si_ram;
  	resource_size_t si_ram_sz;
  	spinlock_t	lock;
  	int tdms; /* TSA_TDMx ORed */
@@ -135,27 +135,27 @@ static inline struct tsa *tsa_serial_get_tsa(struct tsa_serial *tsa_serial)
  	return container_of(tsa_serial, struct tsa, serials[tsa_serial->id]);
  }
  
-static inline void tsa_write32(void *__iomem addr, u32 val)
+static inline void tsa_write32(void __iomem *addr, u32 val)
  {
  	iowrite32be(val, addr);
  }
  
-static inline void tsa_write8(void *__iomem addr, u32 val)
+static inline void tsa_write8(void __iomem *addr, u32 val)
  {
  	iowrite8(val, addr);
  }
  
-static inline u32 tsa_read32(void *__iomem addr)
+static inline u32 tsa_read32(void __iomem *addr)
  {
  	return ioread32be(addr);
  }
  
-static inline void tsa_clrbits32(void *__iomem addr, u32 clr)
+static inline void tsa_clrbits32(void __iomem *addr, u32 clr)
  {
  	tsa_write32(addr, tsa_read32(addr) & ~clr);
  }
  
-static inline void tsa_clrsetbits32(void *__iomem addr, u32 clr, u32 set)
+static inline void tsa_clrsetbits32(void __iomem *addr, u32 clr, u32 set)
  {
  	tsa_write32(addr, (tsa_read32(addr) & ~clr) | set);
  }
@@ -313,7 +313,7 @@ static u32 tsa_serial_id2csel(struct tsa *tsa, u32 serial_id)
  static int tsa_add_entry(struct tsa *tsa, struct tsa_entries_area *area,
  			 u32 count, u32 serial_id)
  {
-	void *__iomem addr;
+	void __iomem *addr;
  	u32 left;
  	u32 val;
  	u32 cnt;
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