linux-kernel - [PATCH 2/3] phy: cadence: salvo: Constify cdns_nxp_sequence

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Message-Id: <20200912204639.501669-3-rikard.falkeborn@gmail.com>
Date:   Sat, 12 Sep 2020 22:46:38 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Peter Chen <peter.chen@....com>,
        Swapnil Jakhade <sjakhade@...ence.com>,
        Yuti Amonkar <yamonkar@...ence.com>,
        Sanket Parmar <sparmar@...ence.com>,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 2/3] phy: cadence: salvo: Constify cdns_nxp_sequence_pair

cdns_nxp_sequence_pair[] are never modified and can be made const to allow
the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/phy/cadence/phy-cadence-salvo.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/cadence/phy-cadence-salvo.c b/drivers/phy/cadence/phy-cadence-salvo.c
index 8c33d3215f2d..88e239adc3b8 100644
--- a/drivers/phy/cadence/phy-cadence-salvo.c
+++ b/drivers/phy/cadence/phy-cadence-salvo.c
@@ -97,7 +97,7 @@ struct cdns_reg_pairs {
 
 struct cdns_salvo_data {
 	u8 reg_offset_shift;
-	struct cdns_reg_pairs *init_sequence_val;
+	const struct cdns_reg_pairs *init_sequence_val;
 	u8 init_sequence_length;
 };
 
@@ -126,7 +126,7 @@ static void cdns_salvo_write(struct cdns_salvo_phy *salvo_phy,
  * Below bringup sequence pair are from Cadence PHY's User Guide
  * and NXP platform tuning results.
  */
-static struct cdns_reg_pairs cdns_nxp_sequence_pair[] = {
+static const struct cdns_reg_pairs cdns_nxp_sequence_pair[] = {
 	{0x0830, PHY_PMA_CMN_CTRL1},
 	{0x0010, TB_ADDR_CMN_DIAG_HSCLK_SEL},
 	{0x00f0, TB_ADDR_CMN_PLL0_VCOCAL_INIT_TMR},
@@ -217,7 +217,7 @@ static int cdns_salvo_phy_init(struct phy *phy)
 		return ret;
 
 	for (i = 0; i < data->init_sequence_length; i++) {
-		struct cdns_reg_pairs *reg_pair = data->init_sequence_val + i;
+		const struct cdns_reg_pairs *reg_pair = data->init_sequence_val + i;
 
 		cdns_salvo_write(salvo_phy, reg_pair->off, reg_pair->val);
 	}
-- 
2.28.0