ARM: at91: remove unused at91_ioremap_matrix and header

at91_ioremap_matrix and the at91_matrix.h header are not used anymore, remove
them.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/mach-at91/generic.h

@@ -25,10 +25,6 @@ extern void at91rm9200_timer_init(void);
 extern void at91rm9200_idle(void);
 extern void at91sam9_idle(void);
 
-/* Matrix */
-extern void at91_ioremap_matrix(u32 base_addr);
-
-
 #ifdef CONFIG_PM
 extern void __init at91rm9200_pm_init(void);
 extern void __init at91sam9260_pm_init(void);

arch/arm/mach-at91/include/mach/at91_matrix.h

@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
- *
- * Under GPLv2
- */
-
-#ifndef __MACH_AT91_MATRIX_H__
-#define __MACH_AT91_MATRIX_H__
-
-#ifndef __ASSEMBLY__
-extern void __iomem *at91_matrix_base;
-
-#define at91_matrix_read(field) \
-	__raw_readl(at91_matrix_base + field)
-
-#define at91_matrix_write(field, value) \
-	__raw_writel(value, at91_matrix_base + field)
-
-#else
-.extern at91_matrix_base
-#endif
-
-#endif /* __MACH_AT91_MATRIX_H__ */

arch/arm/mach-at91/setup.c

@@ -318,13 +318,3 @@ void __init at91_alt_map_io(void)
 		pr_info("AT91: Detected soc subtype: %s\n",
 			at91_get_soc_subtype(&at91_soc_initdata));
 }
-
-void __iomem *at91_matrix_base;
-EXPORT_SYMBOL_GPL(at91_matrix_base);
-
-void __init at91_ioremap_matrix(u32 base_addr)
-{
-	at91_matrix_base = ioremap(base_addr, 512);
-	if (!at91_matrix_base)
-		panic(pr_fmt("Impossible to ioremap at91_matrix_base\n"));
-}