ALSA: hda/tegra: iomem fixups for sparse warnings

The readl/writel are not being passed __iomem annotated
variables, so fix the following sparse warnings by adding
__iomem in:

sound/pci/hda/hda_tegra.c:120:9: warning: incorrect type in argument 2 (different address spaces)
sound/pci/hda/hda_tegra.c:120:9: expected void volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:120:9: got unsigned int [usertype] *addr
sound/pci/hda/hda_tegra.c:125:16: warning: incorrect type in argument 1 (different address spaces)
sound/pci/hda/hda_tegra.c:125:16: expected void const volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:125:16: got unsigned int [usertype] *addr
sound/pci/hda/hda_tegra.c:134:13: warning: incorrect type in argument 1 (different address spaces)
sound/pci/hda/hda_tegra.c:134:13: expected void const volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:134:13: got void *dword_addr
sound/pci/hda/hda_tegra.c:137:9: warning: incorrect type in argument 2 (different address spaces)
sound/pci/hda/hda_tegra.c:137:9: expected void volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:137:9: got void *dword_addr
sound/pci/hda/hda_tegra.c:146:13: warning: incorrect type in argument 1 (different address spaces)
sound/pci/hda/hda_tegra.c:146:13: expected void const volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:146:13: got void *dword_addr
sound/pci/hda/hda_tegra.c:156:13: warning: incorrect type in argument 1 (different address spaces)
sound/pci/hda/hda_tegra.c:156:13: expected void const volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:156:13: got void *dword_addr
sound/pci/hda/hda_tegra.c:159:9: warning: incorrect type in argument 2 (different address spaces)
sound/pci/hda/hda_tegra.c:159:9: expected void volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:159:9: got void *dword_addr
sound/pci/hda/hda_tegra.c:168:13: warning: incorrect type in argument 1 (different address spaces)
sound/pci/hda/hda_tegra.c:168:13: expected void const volatile [noderef] <asn:2>*addr
sound/pci/hda/hda_tegra.c:168:13: got void *dword_addr
sound/pci/hda/hda_tegra.c:173:23: warning: incorrect type in initializer (incompatible argument 2 (different address spaces))
sound/pci/hda/hda_tegra.c:173:23: expected void ( *reg_writel )( ... )
sound/pci/hda/hda_tegra.c:173:23: got void ( static [toplevel] *<noident> )( ... )
sound/pci/hda/hda_tegra.c:174:22: warning: incorrect type in initializer (incompatible argument 1 (different address spaces))
sound/pci/hda/hda_tegra.c:174:22: expected unsigned int ( *reg_readl )( ... )
sound/pci/hda/hda_tegra.c:174:22: got unsigned int ( static [toplevel] *<noident> )( ... )
sound/pci/hda/hda_tegra.c:175:23: warning: incorrect type in initializer (incompatible argument 2 (different address spaces))
sound/pci/hda/hda_tegra.c:175:23: expected void ( *reg_writew )( ... )
sound/pci/hda/hda_tegra.c:175:23: got void ( static [toplevel] *<noident> )( ... )
sound/pci/hda/hda_tegra.c:176:22: warning: incorrect type in initializer (incompatible argument 1 (different address spaces))
sound/pci/hda/hda_tegra.c:176:22: expected unsigned short ( *reg_readw )( ... )
sound/pci/hda/hda_tegra.c:176:22: got unsigned short ( static [toplevel] *<noident> )( ... )
sound/pci/hda/hda_tegra.c:177:23: warning: incorrect type in initializer (incompatible argument 2 (different address spaces))
sound/pci/hda/hda_tegra.c:177:23: expected void ( *reg_writeb )( ... )
sound/pci/hda/hda_tegra.c:177:23: got void ( static [toplevel] *<noident> )( ... )
sound/pci/hda/hda_tegra.c:178:22: warning: incorrect type in initializer (incompatible argument 1 (different address spaces))
sound/pci/hda/hda_tegra.c:178:22: expected unsigned char ( *reg_readb )( ... )
sound/pci/hda/hda_tegra.c:178:22: got unsigned char ( static [toplevel] *<noident> )( ... )

Signed-off-by: Ben Dooks <[e-mail]>
Acked-by: Thierry Reding <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

sound/pci/hda/hda_tegra.c

···
 /*
  * Register access ops. Tegra HDA register access is DWORD only.
  */
-static void hda_tegra_writel(u32 value, u32 *addr)
+static void hda_tegra_writel(u32 value, u32 __iomem *addr)
 {
 	writel(value, addr);
 }
 
-static u32 hda_tegra_readl(u32 *addr)
+static u32 hda_tegra_readl(u32 __iomem *addr)
 {
 	return readl(addr);
 }
 
-static void hda_tegra_writew(u16 value, u16 *addr)
+static void hda_tegra_writew(u16 value, u16 __iomem  *addr)
 {
 	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
-	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	void __iomem *dword_addr = (void __iomem *)((unsigned long)(addr) & ~0x3);
 	u32 v;
 
 	v = readl(dword_addr);
···
 	writel(v, dword_addr);
 }
 
-static u16 hda_tegra_readw(u16 *addr)
+static u16 hda_tegra_readw(u16 __iomem *addr)
 {
 	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
-	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	void __iomem *dword_addr = (void __iomem *)((unsigned long)(addr) & ~0x3);
 	u32 v;
 
 	v = readl(dword_addr);
 	return (v >> shift) & 0xffff;
 }
 
-static void hda_tegra_writeb(u8 value, u8 *addr)
+static void hda_tegra_writeb(u8 value, u8 __iomem *addr)
 {
 	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
-	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	void __iomem *dword_addr = (void __iomem *)((unsigned long)(addr) & ~0x3);
 	u32 v;
 
 	v = readl(dword_addr);
···
 	writel(v, dword_addr);
 }
 
-static u8 hda_tegra_readb(u8 *addr)
+static u8 hda_tegra_readb(u8 __iomem *addr)
 {
 	unsigned int shift = ((unsigned long)(addr) & 0x3) << 3;
-	void *dword_addr = (void *)((unsigned long)(addr) & ~0x3);
+	void __iomem *dword_addr = (void __iomem *)((unsigned long)(addr) & ~0x3);
 	u32 v;
 
 	v = readl(dword_addr);