Preallocate 256 KiB of bootmem memory for the PS3 FLASH ROM storage driver.

Signed-off-by: Geert Uytterhoeven <[EMAIL PROTECTED]>
Signed-off-by: Geoff Levand <[EMAIL PROTECTED]>
---
 arch/powerpc/platforms/ps3/setup.c |   19 ++++++++++++++++++-
 include/asm-powerpc/ps3.h          |    1 +
 2 files changed, 19 insertions(+), 1 deletion(-)

--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -107,7 +107,8 @@ static void ps3_panic(char *str)
        while(1);
 }
 
-#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE)
+#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \
+    defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE)
 static void prealloc(struct ps3_prealloc *p)
 {
        if (!p->size)
@@ -123,7 +124,9 @@ static void prealloc(struct ps3_prealloc
        printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size,
               p->address);
 }
+#endif
 
+#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE)
 struct ps3_prealloc ps3fb_videomemory = {
        .name = "ps3fb videomemory",
        .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024,
@@ -146,6 +149,18 @@ early_param("ps3fb", early_parse_ps3fb);
 #define prealloc_ps3fb_videomemory()   do { } while (0)
 #endif
 
+#if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE)
+struct ps3_prealloc ps3flash_bounce_buffer = {
+       .name = "ps3flash bounce buffer",
+       .size = 256*1024,
+       .align = 256*1024
+};
+EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer);
+#define prealloc_ps3flash_bounce_buffer()      
prealloc(&ps3flash_bounce_buffer)
+#else
+#define prealloc_ps3flash_bounce_buffer()      do { } while (0)
+#endif
+
 static int ps3_set_dabr(u64 dabr)
 {
        enum {DABR_USER = 1, DABR_KERNEL = 2,};
@@ -175,6 +190,8 @@ static void __init ps3_setup_arch(void)
 #endif
 
        prealloc_ps3fb_videomemory();
+       prealloc_ps3flash_bounce_buffer();
+
        ppc_md.power_save = ps3_power_save;
 
        DBG(" <- %s:%d\n", __func__, __LINE__);
--- a/include/asm-powerpc/ps3.h
+++ b/include/asm-powerpc/ps3.h
@@ -427,6 +427,7 @@ struct ps3_prealloc {
 };
 
 extern struct ps3_prealloc ps3fb_videomemory;
+extern struct ps3_prealloc ps3flash_bounce_buffer;
 
 
 #endif

-- 
With kind regards,
 
Geert Uytterhoeven
Software Architect

Sony Network and Software Technology Center Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium
 
Phone:    +32 (0)2 700 8453     
Fax:      +32 (0)2 700 8622     
E-mail:   [EMAIL PROTECTED]     
Internet: http://www.sony-europe.com/
        
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A division of Sony Service Centre (Europe) N.V. 
Registered office: Technologielaan 7 · B-1840 Londerzeel · Belgium    
VAT BE 0413.825.160 · RPR Brussels     
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