[PATCH 10/11] arm: stm32mp: bsec: use IS_ENABLED to prevent ifdef
Patrick Delaunay
patrick.delaunay at st.com
Fri Jul 31 16:31:51 CEST 2020
Use IS_ENABLED to prevent ifdef in bsec driver.
Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---
arch/arm/mach-stm32mp/bsec.c | 86 +++++++++++++++++++-----------------
1 file changed, 46 insertions(+), 40 deletions(-)
diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c
index 0c56b440f5..a9b9bd0902 100644
--- a/arch/arm/mach-stm32mp/bsec.c
+++ b/arch/arm/mach-stm32mp/bsec.c
@@ -74,7 +74,6 @@ static bool bsec_read_lock(u32 address, u32 otp)
return !!(readl(address + bank) & bit);
}
-#ifndef CONFIG_TFABOOT
/**
* bsec_check_error() - Check status of one otp
* @base: base address of bsec IP
@@ -279,7 +278,6 @@ static int bsec_program_otp(long base, u32 val, u32 otp)
return ret;
}
-#endif /* CONFIG_TFABOOT */
/* BSEC MISC driver *******************************************************/
struct stm32mp_bsec_platdata {
@@ -288,15 +286,17 @@ struct stm32mp_bsec_platdata {
static int stm32mp_bsec_read_otp(struct udevice *dev, u32 *val, u32 otp)
{
-#ifdef CONFIG_TFABOOT
- return stm32_smc(STM32_SMC_BSEC,
- STM32_SMC_READ_OTP,
- otp, 0, val);
-#else
- struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev);
+ struct stm32mp_bsec_platdata *plat;
u32 tmp_data = 0;
int ret;
+ if (IS_ENABLED(CONFIG_TFABOOT))
+ return stm32_smc(STM32_SMC_BSEC,
+ STM32_SMC_READ_OTP,
+ otp, 0, val);
+
+ plat = dev_get_platdata(dev);
+
/* read current shadow value */
ret = bsec_read_shadow(plat->base, &tmp_data, otp);
if (ret)
@@ -313,21 +313,22 @@ static int stm32mp_bsec_read_otp(struct udevice *dev, u32 *val, u32 otp)
/* restore shadow value */
ret = bsec_write_shadow(plat->base, tmp_data, otp);
+
return ret;
-#endif
}
static int stm32mp_bsec_read_shadow(struct udevice *dev, u32 *val, u32 otp)
{
-#ifdef CONFIG_TFABOOT
- return stm32_smc(STM32_SMC_BSEC,
- STM32_SMC_READ_SHADOW,
- otp, 0, val);
-#else
- struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev);
+ struct stm32mp_bsec_platdata *plat;
+
+ if (IS_ENABLED(CONFIG_TFABOOT))
+ return stm32_smc(STM32_SMC_BSEC,
+ STM32_SMC_READ_SHADOW,
+ otp, 0, val);
+
+ plat = dev_get_platdata(dev);
return bsec_read_shadow(plat->base, val, otp);
-#endif
}
static int stm32mp_bsec_read_lock(struct udevice *dev, u32 *val, u32 otp)
@@ -342,33 +343,38 @@ static int stm32mp_bsec_read_lock(struct udevice *dev, u32 *val, u32 otp)
static int stm32mp_bsec_write_otp(struct udevice *dev, u32 val, u32 otp)
{
-#ifdef CONFIG_TFABOOT
- return stm32_smc_exec(STM32_SMC_BSEC,
- STM32_SMC_PROG_OTP,
- otp, val);
-#else
- struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev);
+ struct stm32mp_bsec_platdata *plat;
+
+ if (IS_ENABLED(CONFIG_TFABOOT))
+ return stm32_smc_exec(STM32_SMC_BSEC,
+ STM32_SMC_PROG_OTP,
+ otp, val);
+
+ plat = dev_get_platdata(dev);
return bsec_program_otp(plat->base, val, otp);
-#endif
+
}
static int stm32mp_bsec_write_shadow(struct udevice *dev, u32 val, u32 otp)
{
-#ifdef CONFIG_TFABOOT
- return stm32_smc_exec(STM32_SMC_BSEC,
- STM32_SMC_WRITE_SHADOW,
- otp, val);
-#else
- struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev);
+ struct stm32mp_bsec_platdata *plat;
+
+ if (IS_ENABLED(CONFIG_TFABOOT))
+ return stm32_smc_exec(STM32_SMC_BSEC,
+ STM32_SMC_WRITE_SHADOW,
+ otp, val);
+
+ plat = dev_get_platdata(dev);
return bsec_write_shadow(plat->base, val, otp);
-#endif
}
static int stm32mp_bsec_write_lock(struct udevice *dev, u32 val, u32 otp)
{
-#ifdef CONFIG_TFABOOT
+ if (!IS_ENABLED(CONFIG_TFABOOT))
+ return -ENOTSUPP;
+
if (val == 1)
return stm32_smc_exec(STM32_SMC_BSEC,
STM32_SMC_WRLOCK_OTP,
@@ -377,9 +383,6 @@ static int stm32mp_bsec_write_lock(struct udevice *dev, u32 val, u32 otp)
return 0; /* nothing to do */
return -EINVAL;
-#else
- return -ENOTSUPP;
-#endif
}
static int stm32mp_bsec_read(struct udevice *dev, int offset,
@@ -481,18 +484,21 @@ static int stm32mp_bsec_ofdata_to_platdata(struct udevice *dev)
static int stm32mp_bsec_probe(struct udevice *dev)
{
-#if !defined(CONFIG_TFABOOT) && !defined(CONFIG_SPL_BUILD)
int otp;
- struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev);
+ struct stm32mp_bsec_platdata *plat;
/*
* update unlocked shadow for OTP cleared by the rom code
* only executed in U-Boot proper when TF-A is not used
*/
- for (otp = 57; otp <= BSEC_OTP_MAX_VALUE; otp++)
- if (!bsec_read_SR_lock(plat->base, otp))
- bsec_shadow_register(plat->base, otp);
-#endif
+
+ if (!IS_ENABLED(CONFIG_TFABOOT) && !IS_ENABLED(CONFIG_SPL_BUILD)) {
+ plat = dev_get_platdata(dev);
+
+ for (otp = 57; otp <= BSEC_OTP_MAX_VALUE; otp++)
+ if (!bsec_read_SR_lock(plat->base, otp))
+ bsec_shadow_register(plat->base, otp);
+ }
return 0;
}
--
2.17.1
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