From nobody Fri Dec 19 21:52:41 2025 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9D1141F12FF for ; Tue, 21 Jan 2025 11:44:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737459848; cv=none; b=Ajtu+5NH1And6UNrsru087C3udFQVHlGs/YBl0dzKFXzdpIKIr8lQ4BORO8OkfnSj4Q/gIB5xhMMwb6Xx/RMaZeNAj5W4d6gT34qaEmktPxWLwfaVVUZVp0FRDgYzvueSEq5ZMaTXsVI7tPkdnaWeAQcwi1rjD0G8Lg6Jw9+Y0U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737459848; c=relaxed/simple; bh=dTxayoMWjAIvJimszc1Z1b3z1DCPMwSHuc1jIXbtPrs=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=oEzFLUciDMzi6ukpkMbX3nLFS5Ui2UJyHKWpYN8eTIPMCiJ1URs/iRe+2F11vTw46aMX4Hz8QxYTEg2MOyUcBuWFHfQtaxYKEAoAfUHj46aa8rl7z+DY89s6hqC7wQCHhZt7k5vzqxmSAat2HyFcUtZdgxebWH9DLIva6MapzFc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.63]) by gateway (Coremail) with SMTP id _____8AxbeKEiI9n_8BmAA--.9400S3; Tue, 21 Jan 2025 19:44:04 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.63]) by front1 (Coremail) with SMTP id qMiowMCxFOSBiI9nT8wpAA--.21516S2; Tue, 21 Jan 2025 19:44:03 +0800 (CST) From: Huacai Chen To: Huacai Chen Cc: loongarch@lists.linux.dev, Xuefeng Li , Xuerui Wang , Jiaxun Yang , linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn, Huacai Chen Subject: [PATCH] LoongArch: Adjust SETUP_SLEEP and SETUP_WAKEUP Date: Tue, 21 Jan 2025 19:43:54 +0800 Message-ID: <20250121114354.2727748-1-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMCxFOSBiI9nT8wpAA--.21516S2 X-CM-SenderInfo: hfkh0x5xdftxo6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoW7CFy3uw1xJrWDCFyDtFyDtwc_yoW8Gry3p3 9Fkr1qqa109rn7Zrn5t34rXrs8trZ5WF1fuanrK348CwsrXF10gr1kGFnrGF17JayfGayI vr4rA3W0vFy7C3XCm3ZEXasCq-sJn29KB7ZKAUJUUUU7529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUvEb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1ln4kS14v26r1Y6r17M2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2 x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5 McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr4 1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xFxVAFwI0_Jrv_ JF1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17 CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0 I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I 8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73 UjIFyTuYvjxU4AhLUUUUU Content-Type: text/plain; charset="utf-8" SETUP_SLEEP should only save the GPR context, which is symmetric to SETUP_WAKEUP, so move the acpi_saved_sp handling out of SETUP_SLEEP. Move "addi.d sp, sp, PT_SIZE" into SETUP_WAKEUP for the same reason. No functional changes. Signed-off-by: Huacai Chen --- arch/loongarch/power/suspend_asm.S | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/loongarch/power/suspend_asm.S b/arch/loongarch/power/susp= end_asm.S index 9fe28d5a0270..df0865df26fa 100644 --- a/arch/loongarch/power/suspend_asm.S +++ b/arch/loongarch/power/suspend_asm.S @@ -30,9 +30,6 @@ st.d $r29, sp, PT_R29 st.d $r30, sp, PT_R30 st.d $r31, sp, PT_R31 - - la.pcrel t0, acpi_saved_sp - st.d sp, t0, 0 .endm =20 .macro SETUP_WAKEUP @@ -51,6 +48,7 @@ ld.d $r29, sp, PT_R29 ld.d $r30, sp, PT_R30 ld.d $r31, sp, PT_R31 + addi.d sp, sp, PT_SIZE .endm =20 .text @@ -59,6 +57,10 @@ /* Sleep/wakeup code for Loongson-3 */ SYM_FUNC_START(loongarch_suspend_enter) SETUP_SLEEP + + la.pcrel t0, acpi_saved_sp + st.d sp, t0, 0 + bl __flush_cache_all =20 /* Pass RA and SP to BIOS */ @@ -82,7 +84,7 @@ SYM_INNER_LABEL(loongarch_wakeup_start, SYM_L_GLOBAL) =20 la.pcrel t0, acpi_saved_sp ld.d sp, t0, 0 + SETUP_WAKEUP - addi.d sp, sp, PT_SIZE jr ra SYM_FUNC_END(loongarch_suspend_enter) --=20 2.47.1