From patchwork Fri Jan 5 12:51:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 13512036 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 9C9BD2D602; Fri, 5 Jan 2024 12:51:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="E93C7Ybv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B481AC433C7; Fri, 5 Jan 2024 12:51:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1704459086; bh=Z1D8rD3/nRzA4kc+dux1HvFymw8yFf5r7zYbbSNB8vU=; h=From:To:Cc:Subject:Date:From; b=E93C7YbvTXPqnqBX8lLOXPOsswyYuuh3RpwOTs9I8ScFvWdSSpMKQy+yPx3dlx7V2 0VH7Kitbx14G+asiFGXW5jVQMp+m86pG1AYG3ntIH9t11hCxO/SGzXDQOn1etcriFo sX7K4y+oDhVgBExMg/OxR+rDCDB9c2t6j5u3ClQA= From: Greg Kroah-Hartman To: rafael.j.wysocki@intel.com Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , linux-acpi@vger.kernel.org Subject: [PATCH] PNP: make pnp_bus_type const Date: Fri, 5 Jan 2024 13:51:21 +0100 Message-ID: <2024010520-joyfully-cosigner-c2a9@gregkh> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1348; i=gregkh@linuxfoundation.org; h=from:subject:message-id; bh=Z1D8rD3/nRzA4kc+dux1HvFymw8yFf5r7zYbbSNB8vU=; b=owGbwMvMwCRo6H6F97bub03G02pJDKnTf3voeGhLb/G84dB0Zcc8tYhlpa9mrbjotijt494+U xElvqSSjlgWBkEmBlkxRZYv23iO7q84pOhlaHsaZg4rE8gQBi5OAZjIc0uGBZePK0Ub3b7cIRGc V5znF2jyY/mDdIY53GdaX0fHK7qwnhIXtCx+kZ3UsPUwAA== X-Developer-Key: i=gregkh@linuxfoundation.org; a=openpgp; fpr=F4B60CC5BF78C2214A313DCB3147D40DDB2DFB29 Now that the driver core can properly handle constant struct bus_type, move the pnp_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: "Rafael J. Wysocki" Cc: linux-acpi@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/pnp/driver.c | 2 +- include/linux/pnp.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 46c534f6b1c9..0a5d0d8befa8 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -256,7 +256,7 @@ static const struct dev_pm_ops pnp_bus_dev_pm_ops = { .restore = pnp_bus_resume, }; -struct bus_type pnp_bus_type = { +const struct bus_type pnp_bus_type = { .name = "pnp", .match = pnp_bus_match, .probe = pnp_device_probe, diff --git a/include/linux/pnp.h b/include/linux/pnp.h index 267fb8a4fb6e..ddbe7c3ca4ce 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -435,7 +435,7 @@ struct pnp_protocol { #define protocol_for_each_dev(protocol, dev) \ list_for_each_entry(dev, &(protocol)->devices, protocol_list) -extern struct bus_type pnp_bus_type; +extern const struct bus_type pnp_bus_type; #if defined(CONFIG_PNP)