From mboxrd@z Thu Jan 1 00:00:00 1970 From: caesar.upstream@gmail.com (Caesar Wang) Date: Tue, 3 Nov 2015 17:04:16 +0800 Subject: [RESEND PATCH] ARM: errata: Workaround for Cortex-A12 erratum 818325 In-Reply-To: <7094999.meGITi6gTu@wuerfel> References: <1446538209-13490-1-git-send-email-wxt@rock-chips.com> <1446538209-13490-2-git-send-email-wxt@rock-chips.com> <7094999.meGITi6gTu@wuerfel> Message-ID: <56387890.2090802@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org ? 2015?11?03? 16:45, Arnd Bergmann ??: > 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 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 > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- Thanks, Caesar