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Mon, 20 Jan 2020 05:10:37 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.85.251) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Mon, 20 Jan 2020 05:10:36 -0700 From: Claudiu Beznea To: , , , , , Subject: [PATCH 8/8] ARM: at91: pm: add quirk for sam9x60's ulp1 Date: Mon, 20 Jan 2020 14:10:08 +0200 Message-ID: <1579522208-19523-9-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1579522208-19523-1-git-send-email-claudiu.beznea@microchip.com> References: <1579522208-19523-1-git-send-email-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200120_041042_103506_2C2F55A7 X-CRM114-Status: UNSURE ( 6.58 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [68.232.147.91 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Claudiu Beznea , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org On SAM9X60 2 nop operations has to be introduced after setting WAITMODE bit in CKGR_MOR. Signed-off-by: Claudiu Beznea --- arch/arm/mach-at91/pm_suspend.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index 4e9eb4f57f16..be9764e8d3fa 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -275,6 +275,10 @@ ENDPROC(at91_backup_mode) orr tmp1, tmp1, #AT91_PMC_KEY str tmp1, [pmc, #AT91_CKGR_MOR] + /* Quirk for SAM9X60's PMC */ + nop + nop + wait_mckrdy /* Enable the crystal oscillator */