From nobody Tue Jun 30 22:22:27 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F86DC433EF for ; Fri, 7 Jan 2022 02:31:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345430AbiAGCbc (ORCPT ); Thu, 6 Jan 2022 21:31:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345422AbiAGCbb (ORCPT ); Thu, 6 Jan 2022 21:31:31 -0500 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BEA5AC061245 for ; Thu, 6 Jan 2022 18:31:31 -0800 (PST) Received: by mail-pg1-x52e.google.com with SMTP id y9so4189223pgr.11 for ; Thu, 06 Jan 2022 18:31:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=T9zD8rbf6qAqQOxdkAoI37yqWQ/rdxMv8DCOF1Su0rA=; b=eBAGcmqHPUySjwBo0c8y0Aj1cvcnAhFIB84dAcxvbmc3oAPkiImoJPQ75rX3hqlhBi Zv3UIMa4j5guCaG4etDZciJ+I9uPpohxPy2gI/qHvDSC5TbjYweBp0y66IK459695Du0 hK7CR8psWH0NlIH4nzSgEacQFHpOxK/cmW1s0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=T9zD8rbf6qAqQOxdkAoI37yqWQ/rdxMv8DCOF1Su0rA=; b=5/V8Rd0W/wfIikd+YHvnMJno7JHn3bT0LCm472QKO9UkKLHx0S+EXkH8+hzZ2ETYap bFRIG0+24UyHduN0qBL9yEwTPlOopavgGfQxg8GlXjsm4YAUDu/fvNX4FfcHvFa/vjAT 2i4/yuGKKlNJSUfhA4LHCgVh+WOqLIabcVaSNAQdPOjg3QfiG/3lCW2zO+knMmfEQeZF gJbZShW9ifvgJY7e8oSZAo5iLfyD2eEeZVj9vgw4yTVaMdTsAn7p/Tvqckd4mQWthAeW TOkKIksBM+S8KChe+uxb1ciQNutamIjKGPMRg1VhGISooJ8hcPMUs2o/Vx9ljedso+IN 6nig== X-Gm-Message-State: AOAM530YlAmWwbWq3evtAdmfidJvkEoonWaLXgJSlnVjl9oXsWy4XFdl AiMpvDIhVM+R4mhvX5IQXI7ROcQRqSTKyQ== X-Google-Smtp-Source: ABdhPJxNsIGDWP/HrcbVTJ5pOscXT1zsV2PDTzSOMs60WRPb9n8fAFhu+PztANXdrBPmrVuEzUypnQ== X-Received: by 2002:a05:6a00:10d5:b0:4bc:a0eb:c6a0 with SMTP id d21-20020a056a0010d500b004bca0ebc6a0mr22421007pfu.70.1641522691035; Thu, 06 Jan 2022 18:31:31 -0800 (PST) Received: from localhost ([2401:fa00:1:10:6942:d6a2:95c9:2ac8]) by smtp.gmail.com with UTF8SMTPSA id z2sm3035795pge.86.2022.01.06.18.31.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Jan 2022 18:31:30 -0800 (PST) From: Knox Chiou To: LKML Cc: Evan Green , Knox Chiou , Srinivas Kandagatla Subject: [PATCH] nvmem: qfprom: Increase fuse blow timeout to prevent write fail. Date: Fri, 7 Jan 2022 10:31:11 +0800 Message-Id: <20220107103056.1.Ifc6ce6bb655ddb8ebbb0f340fcaaa58369bb009c@changeid> X-Mailer: git-send-email 2.34.1.448.ga2b2bfdf31-goog MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" sc7180 blow fuses got slightly chances to hit qfprom_reg_write timeout. Current timeout is simply too low. Since blowing fuses is a very rare operation, so the risk associated with overestimating this number is low. Increase fuse blow timeout from 1ms to 10ms. Signed-off-by: Knox Chiou Reviewed-by: Douglas Anderson Reviewed-by: Evan Green --- drivers/nvmem/qfprom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c index c500d6235bf6b..1840d400fb53c 100644 --- a/drivers/nvmem/qfprom.c +++ b/drivers/nvmem/qfprom.c @@ -22,7 +22,7 @@ =20 /* Amount of time required to hold charge to blow fuse in micro-seconds */ #define QFPROM_FUSE_BLOW_POLL_US 100 -#define QFPROM_FUSE_BLOW_TIMEOUT_US 1000 +#define QFPROM_FUSE_BLOW_TIMEOUT_US 10000 =20 #define QFPROM_BLOW_STATUS_OFFSET 0x048 #define QFPROM_BLOW_STATUS_BUSY 0x1 --=20 2.34.1.448.ga2b2bfdf31-goog