linux-kernel - [PATCH] phy: tegra: Constify static device

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Date:   Mon,  9 Nov 2020 22:58:44 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     JC Kuo <jckuo@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] phy: tegra: Constify static device_type structs

The only usage of tegra_xusb_pad_type and tegra_xusb_port_type is to
assign their address to the type field in the device struct, which is a
const pointer. Make them const to allow the compiler to put them in
read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/phy/tegra/xusb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index ad88d74c1884..70d95519d281 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -146,7 +146,7 @@ static void tegra_xusb_pad_release(struct device *dev)
 	pad->soc->ops->remove(pad);
 }
 
-static struct device_type tegra_xusb_pad_type = {
+static const struct device_type tegra_xusb_pad_type = {
 	.release = tegra_xusb_pad_release,
 };
 
@@ -513,7 +513,7 @@ static void tegra_xusb_port_release(struct device *dev)
 		port->ops->release(port);
 }
 
-static struct device_type tegra_xusb_port_type = {
+static const struct device_type tegra_xusb_port_type = {
 	.release = tegra_xusb_port_release,
 };
 
-- 
2.29.2