[PATCH] cpu_has_mmx

[PATCH] cpu_has_mmx

[Brian Gerst]

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This patch takes the cpu_has_mmx macro introduced in the xor.h header 
and puts it in the proper place.  It also converts the ov511 driver to 
use the new macro.

-- 

						Brian Gerst

[-- Attachment #2: cpu_has_mmx-1 --]
[-- Type: text/plain, Size: 2491 bytes --]

diff -urN linux-bk/drivers/usb/media/ov511.c linux/drivers/usb/media/ov511.c
--- linux-bk/drivers/usb/media/ov511.c	Wed May 15 10:27:23 2002
+++ linux/drivers/usb/media/ov511.c	Mon May 20 21:24:03 2002
@@ -227,7 +227,11 @@
 static int i2c_detect_tries = 5;
 
 /* MMX support is present in kernel and CPU. Checked upon decomp module load. */
-static int ov51x_mmx_available;
+#if defined(__i386__) || defined(__x86_64__)
+#define ov51x_mmx_available (cpu_has_mmx)
+#else
+#define ov51x_mmx_available (0)
+#endif
 
 static __devinitdata struct usb_device_id device_table [] = {
 	{ USB_DEVICE(VEND_OMNIVISION, PROD_OV511) },
@@ -6473,11 +6477,6 @@
 	if (usb_register(&ov511_driver) < 0)
 		return -1;
 
-#if defined (__i386__)
-	if (test_bit(X86_FEATURE_MMX, boot_cpu_data.x86_capability))
-		ov51x_mmx_available = 1;
-#endif
-
 	info(DRIVER_VERSION " : " DRIVER_DESC);
 
 	return 0;
diff -urN linux-bk/include/asm-i386/processor.h linux/include/asm-i386/processor.h
--- linux-bk/include/asm-i386/processor.h	Wed May 15 10:27:24 2002
+++ linux/include/asm-i386/processor.h	Mon May 20 21:37:42 2002
@@ -84,6 +84,7 @@
 #define cpu_has_de	(test_bit(X86_FEATURE_DE,   boot_cpu_data.x86_capability))
 #define cpu_has_vme	(test_bit(X86_FEATURE_VME,  boot_cpu_data.x86_capability))
 #define cpu_has_fxsr	(test_bit(X86_FEATURE_FXSR, boot_cpu_data.x86_capability))
+#define cpu_has_mmx	(test_bit(X86_FEATURE_MMX,  boot_cpu_data.x86_capability))
 #define cpu_has_xmm	(test_bit(X86_FEATURE_XMM,  boot_cpu_data.x86_capability))
 #define cpu_has_fpu	(test_bit(X86_FEATURE_FPU,  boot_cpu_data.x86_capability))
 #define cpu_has_apic	(test_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability))
diff -urN linux-bk/include/asm-i386/xor.h linux/include/asm-i386/xor.h
--- linux-bk/include/asm-i386/xor.h	Mon May 20 19:55:09 2002
+++ linux/include/asm-i386/xor.h	Mon May 20 21:25:19 2002
@@ -839,8 +839,6 @@
 /* Also try the generic routines.  */
 #include <asm-generic/xor.h>
 
-#define cpu_has_mmx	(test_bit(X86_FEATURE_MMX,  boot_cpu_data.x86_capability))
-
 #undef XOR_TRY_TEMPLATES
 #define XOR_TRY_TEMPLATES				\
 	do {						\
diff -urN linux-bk/include/asm-x86_64/processor.h linux/include/asm-x86_64/processor.h
--- linux-bk/include/asm-x86_64/processor.h	Wed May 15 10:27:22 2002
+++ linux/include/asm-x86_64/processor.h	Mon May 20 21:26:22 2002
@@ -91,6 +91,7 @@
 #define cpu_has_de 1
 #define cpu_has_vme 1
 #define cpu_has_fxsr 1
+#define cpu_has_mmx 1
 #define cpu_has_xmm 1
 #define cpu_has_apic 1