From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f170.google.com (mail-pl1-f170.google.com [209.85.214.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66462C95A for ; Tue, 4 Apr 2023 18:23:22 +0000 (UTC) Received: by mail-pl1-f170.google.com with SMTP id kq3so32118048plb.13 for ; Tue, 04 Apr 2023 11:23:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1680632602; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=bQY7IsXlYzYdPvbtAuGQhW+vz7kmikxb6Hsl9qnqiJo=; b=SIAlskABjXHJXgba+lu7R2T7GFAtUq29s7yTNteHrnjrRREnu/xfZzyK9AUbLub4UK OLevFJEkggs/7Las41GW3kOI9I0FbvaO/b1X4vW1T9Nqb/5dgHdvbBlCt4kJaRuyzOJP 5DO5UZ4mgBvY0/bjKpTLrHD2ZT/64XlWo9QjLPheIFMQeFiXMeVDHb2T8Gj12+6ixTqi JCpYKfxf/H/dO6Iehr15B5nWCst6ZMA+J12yAIa9JygFJJNFZ22V/Fvf8sJbgyIZa92u 3vXDVcm+fZTnZDGc6Osgee5Mxo83Hf/3/hhAazhj7e3hI24w4Z944ntBwybmg0bZtph9 w1Cw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680632602; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bQY7IsXlYzYdPvbtAuGQhW+vz7kmikxb6Hsl9qnqiJo=; b=m/nmXaLjzf/8VXMy0QaecAYP27HmxVEAsathfe3Si2Rux4NwH+anddnPjj2gz0iEXf 4UlOs76tndeG4fx8Rgo2gW2Mv1EqcSeQPgleREBVP6ZWqE1fYzqiC3PcC0OB9Dtq5EMH VMlmtDnWTi3bxjZY14+Hya5EHvloS+FIq89hNBcAyvqz9uZBGXDEqlfPJgLs2PcTkIy4 wN9zRBEpZbm0M4PlNaiFalNd+Au7nqW9pd5HHqUfFtJCXLRNifPeHGaGTpRjZamy4a62 qoV8WFq6iFVKhHxh9hbtJx1KzoBpsMVpzjkOTHKkAg9E1EmhGBn6enoa48YBvRqetwOa FbYA== X-Gm-Message-State: AAQBX9etJcN/R8nu0CM8p8YMj5S+lAEzMPXyF/VYPZgQSDNDl21BoOE6 WuTTtLadDBOlf824g+sZsYlA0A== X-Google-Smtp-Source: AKy350Z5wfhTkRydKKc5Ikh4OLcEW6DwobyPTf5WBp8sjWB/EwsebviKxYM7sCDYl+M9vs/GyS0S0w== X-Received: by 2002:a05:6a20:4659:b0:db:9726:8e46 with SMTP id eb25-20020a056a20465900b000db97268e46mr2674124pzb.54.1680632601831; Tue, 04 Apr 2023 11:23:21 -0700 (PDT) Received: from localhost.localdomain ([106.51.184.50]) by smtp.gmail.com with ESMTPSA id o12-20020a056a001bcc00b0062dcf5c01f9sm9018524pfw.36.2023.04.04.11.23.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Apr 2023 11:23:21 -0700 (PDT) From: Sunil V L To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org, linux-crypto@vger.kernel.org, platform-driver-x86@vger.kernel.org, llvm@lists.linux.dev Cc: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Len Brown , Daniel Lezcano , Thomas Gleixner , Weili Qian , Zhou Wang , Herbert Xu , Marc Zyngier , Maximilian Luz , Hans de Goede , Mark Gross , Nathan Chancellor , Nick Desaulniers , Tom Rix , "Rafael J . Wysocki" , "David S . Miller" , Sunil V L Subject: [PATCH V4 22/23] platform/surface: Disable for RISC-V Date: Tue, 4 Apr 2023 23:50:36 +0530 Message-Id: <20230404182037.863533-23-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230404182037.863533-1-sunilvl@ventanamicro.com> References: <20230404182037.863533-1-sunilvl@ventanamicro.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=cp1252 Content-Transfer-Encoding: 8bit With CONFIG_ACPI enabled for RISC-V, this driver gets enabled in allmodconfig build. However, RISC-V doesn't support sub-word atomics which is used by this driver. Due to this, the build fails with below error. In function ‘ssh_seq_next’, inlined from ‘ssam_request_write_data’ at drivers/platform/surface/aggregator/controller.c:1483:8: ././include/linux/compiler_types.h:399:45: error: call to ‘__compiletime_assert_335’ declared with attribute error: BUILD_BUG failed 399 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ ./include/linux/compiler.h:78:45: note: in definition of macro ‘unlikely’ 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ ././include/linux/compiler_types.h:387:9: note: in expansion of macro ‘__compiletime_assert’ 387 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ ././include/linux/compiler_types.h:399:9: note: in expansion of macro ‘_compiletime_assert’ 399 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’ 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ ./include/linux/build_bug.h:59:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’ 59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") | ^~~~~~~~~~~~~~~~ ./arch/riscv/include/asm/cmpxchg.h:335:17: note: in expansion of macro ‘BUILD_BUG’ 335 | BUILD_BUG(); \ | ^~~~~~~~~ ./arch/riscv/include/asm/cmpxchg.h:344:30: note: in expansion of macro ‘__cmpxchg’ 344 | (__typeof__(*(ptr))) __cmpxchg((ptr), \ | ^~~~~~~~~ ./include/linux/atomic/atomic-instrumented.h:1916:9: note: in expansion of macro ‘arch_cmpxchg’ 1916 | arch_cmpxchg(__ai_ptr, __VA_ARGS__); \ | ^~~~~~~~~~~~ drivers/platform/surface/aggregator/controller.c:61:32: note: in expansion of macro ‘cmpxchg’ 61 | while (unlikely((ret = cmpxchg(&c->value, old, new)) != old)) { | ^~~~~~~ So, disable this driver for RISC-V even when ACPI is enabled for now. Signed-off-by: Sunil V L --- drivers/platform/surface/aggregator/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/surface/aggregator/Kconfig b/drivers/platform/surface/aggregator/Kconfig index c114f9dd5fe1..88afc38ffdc5 100644 --- a/drivers/platform/surface/aggregator/Kconfig +++ b/drivers/platform/surface/aggregator/Kconfig @@ -4,7 +4,7 @@ menuconfig SURFACE_AGGREGATOR tristate "Microsoft Surface System Aggregator Module Subsystem and Drivers" depends on SERIAL_DEV_BUS - depends on ACPI + depends on ACPI && !RISCV select CRC_CCITT help The Surface System Aggregator Module (Surface SAM or SSAM) is an -- 2.34.1