[PATCH 3/5] soc: renesas: r9a09g047-sys: Move common code to a helper

From: Claudiu

Date: Fri Apr 03 2026 - 10:15:12 EST


From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

Move common code from rzg3e_regmap_{readable,writeable}_reg() to a
helper and use it to avoid code duplication.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
---
drivers/soc/renesas/r9a09g047-sys.c | 34 ++++++++++-------------------
1 file changed, 12 insertions(+), 22 deletions(-)

diff --git a/drivers/soc/renesas/r9a09g047-sys.c b/drivers/soc/renesas/r9a09g047-sys.c
index ea3ca10fcc33..b617fb0bde7b 100644
--- a/drivers/soc/renesas/r9a09g047-sys.c
+++ b/drivers/soc/renesas/r9a09g047-sys.c
@@ -83,11 +83,9 @@ static const struct rz_sysc_soc_id_init_data rzg3e_sys_soc_id_init_data __initco
.print_id = rzg3e_sys_print_id,
};

-static bool rzg3e_regmap_readable_reg(struct device *dev, unsigned int reg)
+static bool rzg3e_regmap_readable_writeable_reg(unsigned int reg)
{
switch (reg) {
- case SYS_LSI_OTPTSU1TRMVAL0:
- case SYS_LSI_OTPTSU1TRMVAL1:
case SYS_SPI_STAADDCS0:
case SYS_SPI_ENDADDCS0:
case SYS_SPI_STAADDCS1:
@@ -112,33 +110,25 @@ static bool rzg3e_regmap_readable_reg(struct device *dev, unsigned int reg)
}
}

-static bool rzg3e_regmap_writeable_reg(struct device *dev, unsigned int reg)
+static bool rzg3e_regmap_readable_reg(struct device *dev, unsigned int reg)
{
+ if (rzg3e_regmap_readable_writeable_reg(reg))
+ return true;
+
switch (reg) {
- case SYS_SPI_STAADDCS0:
- case SYS_SPI_ENDADDCS0:
- case SYS_SPI_STAADDCS1:
- case SYS_SPI_ENDADDCS1:
- case SYS_VSP_CLK:
- case SYS_GBETH0_CFG:
- case SYS_GBETH1_CFG:
- case SYS_PCIE_INTX_CH0:
- case SYS_PCIE_MSI1_CH0:
- case SYS_PCIE_MSI2_CH0:
- case SYS_PCIE_MSI3_CH0:
- case SYS_PCIE_MSI4_CH0:
- case SYS_PCIE_MSI5_CH0:
- case SYS_PCIE_PME_CH0:
- case SYS_PCIE_ACK_CH0:
- case SYS_PCIE_MISC_CH0:
- case SYS_PCIE_MODE_CH0:
- case SYS_ADC_CFG:
+ case SYS_LSI_OTPTSU1TRMVAL0:
+ case SYS_LSI_OTPTSU1TRMVAL1:
return true;
default:
return false;
}
}

+static bool rzg3e_regmap_writeable_reg(struct device *dev, unsigned int reg)
+{
+ return rzg3e_regmap_readable_writeable_reg(reg);
+}
+
const struct rz_sysc_init_data rzg3e_sys_init_data __initconst = {
.soc_id_init_data = &rzg3e_sys_soc_id_init_data,
.readable_reg = rzg3e_regmap_readable_reg,
--
2.43.0