'struct cdns_reg_pairs' is not modified in this driver. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 60489 4342 16 64847 fd4f drivers/phy/cadence/phy-cadence-sierra.o After: ===== text data bss dec hex filename 60521 4310 16 64847 fd4f drivers/phy/cadence/phy-cadence-sierra.o Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- Compile tested-only. --- drivers/phy/cadence/phy-cadence-sierra.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index d4eb93ce8232..6bb0ca3443f1 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -1544,7 +1544,7 @@ static void cdns_sierra_phy_remove(struct platform_device *pdev) } /* SGMII PHY PMA lane configuration */ -static struct cdns_reg_pairs sgmii_phy_pma_ln_regs[] = { +static const struct cdns_reg_pairs sgmii_phy_pma_ln_regs[] = { {0x9010, SIERRA_PHY_PMA_XCVR_CTRL} }; @@ -1609,7 +1609,7 @@ static struct cdns_sierra_vals sgmii_100_no_ssc_plllc1_opt3_ln_vals = { }; /* QSGMII PHY PMA lane configuration */ -static struct cdns_reg_pairs qsgmii_phy_pma_ln_regs[] = { +static const struct cdns_reg_pairs qsgmii_phy_pma_ln_regs[] = { {0x9010, SIERRA_PHY_PMA_XCVR_CTRL} }; @@ -1675,7 +1675,7 @@ static struct cdns_sierra_vals qsgmii_100_no_ssc_plllc1_ln_vals = { }; /* PCIE PHY PCS common configuration */ -static struct cdns_reg_pairs pcie_phy_pcs_cmn_regs[] = { +static const struct cdns_reg_pairs pcie_phy_pcs_cmn_regs[] = { {0x0430, SIERRA_PHY_PIPE_CMN_CTRL1} }; -- 2.45.2