From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C7141D5CD7; Mon, 6 Jan 2025 15:26:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736177181; cv=none; b=rgWmufmK+HD4ukP4TrUT6OVR9MklZz6vKl1CZqZB6PBm9HrIHyc7xKdkBfzIZR35B0ENoznjd8aTGTRY6/FWrCxQNsVZ/dvRxna1iPOvNbWt9KmXCok8L+nZPNODsZQduSKLExb+XBk7yTCR0nTiC5xcu3AOv60nKOJwl7AXUXU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736177181; c=relaxed/simple; bh=IHlmapyYtj2gOeI/jOC2xJEXt1+Vqndjrw4Y2NQw6Z8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bkySx5+xqDdpoWSuxMYsCopo6VdBsITJfkHRBRH+8JoWwRoy/F9PVSyjsHRQP/3AP/v6aIaHlwrBd0mLU8polv1QP1XeWn7UIaZIV10XBajhFI1GrsB71+r2NFahT/19kEKwNm2uytnLvCcgwx6jhhV7tSZqxBqHUIah1aHWzWo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DyBpTrzp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DyBpTrzp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86D16C4CED2; Mon, 6 Jan 2025 15:26:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1736177180; bh=IHlmapyYtj2gOeI/jOC2xJEXt1+Vqndjrw4Y2NQw6Z8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DyBpTrzpXrmYo9fSTQsRohuKAVnUkPBPRtAZCJ5rlG5wLLc1HoTiKO3EHWV+lzjIk Ei7z286E64aZiCb+G5bZjO1kokKd3GlKqiI4iqkFyuiYbrjxHVjbx3akmzEMeIWCx4 cikWV0JFlZGao8BHPhMV8SnLysu8riE5JxWqmPug= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Richard Hughes , Mario Limonciello , Mika Westerberg , Sasha Levin Subject: [PATCH 6.6 078/222] thunderbolt: Dont display nvm_version unless upgrade supported Date: Mon, 6 Jan 2025 16:14:42 +0100 Message-ID: <20250106151153.555349954@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250106151150.585603565@linuxfoundation.org> References: <20250106151150.585603565@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Limonciello [ Upstream commit e34f1717ef0632fcec5cb827e5e0e9f223d70c9b ] The read will never succeed if NVM wasn't initialized due to an unknown format. Add a new callback for visibility to only show when supported. Cc: stable@vger.kernel.org Fixes: aef9c693e7e5 ("thunderbolt: Move vendor specific NVM handling into nvm.c") Reported-by: Richard Hughes Closes: https://github.com/fwupd/fwupd/issues/8200 Signed-off-by: Mario Limonciello Signed-off-by: Mika Westerberg Signed-off-by: Sasha Levin --- drivers/thunderbolt/retimer.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c index 47becb363ada..2ee8c5ebca7c 100644 --- a/drivers/thunderbolt/retimer.c +++ b/drivers/thunderbolt/retimer.c @@ -98,6 +98,7 @@ static int tb_retimer_nvm_add(struct tb_retimer *rt) err_nvm: dev_dbg(&rt->dev, "NVM upgrade disabled\n"); + rt->no_nvm_upgrade = true; if (!IS_ERR(nvm)) tb_nvm_free(nvm); @@ -177,8 +178,6 @@ static ssize_t nvm_authenticate_show(struct device *dev, if (!rt->nvm) ret = -EAGAIN; - else if (rt->no_nvm_upgrade) - ret = -EOPNOTSUPP; else ret = sysfs_emit(buf, "%#x\n", rt->auth_status); @@ -331,6 +330,19 @@ static ssize_t vendor_show(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RO(vendor); +static umode_t retimer_is_visible(struct kobject *kobj, struct attribute *attr, + int n) +{ + struct device *dev = kobj_to_dev(kobj); + struct tb_retimer *rt = tb_to_retimer(dev); + + if (attr == &dev_attr_nvm_authenticate.attr || + attr == &dev_attr_nvm_version.attr) + return rt->no_nvm_upgrade ? 0 : attr->mode; + + return attr->mode; +} + static struct attribute *retimer_attrs[] = { &dev_attr_device.attr, &dev_attr_nvm_authenticate.attr, @@ -340,6 +352,7 @@ static struct attribute *retimer_attrs[] = { }; static const struct attribute_group retimer_group = { + .is_visible = retimer_is_visible, .attrs = retimer_attrs, }; -- 2.39.5