在 2015年11月03日 16:45, Arnd Bergmann 写道:
On Tuesday 03 November 2015 16:10:09 Caesar Wang wrote:
+ /* Cortex-A12 Errata */
+ ldr r10, =0x00000c0d @ Cortex-A12 primary part number
+ teq r0, r10
+ bne 5f
beq __ca15_errata:
+#ifdef CONFIG_ARM_ERRATA_818325
+ teq r6, #0x00 @ present in r0p0
+ teqne r6, #0x01 @ present in r0p1-00lac0-rc11
+ mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register
+ orreq r10, r10, #1 << 12 @ set bit #12
+ mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register
+ isb
+#endif
/* Cortex-A15 Errata */
Does this still build? You seem to have lost the '5:' label.
No, I didn't have build in next kernel.
Yup, the patch need a bit change from the message.
commit 17e7bf86690eaad4906d2295f0bd171cc194633b
Author: Russell King <rmk+ker...@arm.linux.org.uk>
Date: Sat Apr 4 21:34:33 2015 +0100
ARM: proc-v7: move CPU errata out of line
-----
Original patch:
https://patchwork.kernel.org/patch/4735341/
Applied and verified on kernel V3.14.
Arnd
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--
Thanks,
Caesar
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