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authorSimon Glass <sjg@chromium.org>2016-02-11 13:23:26 -0700
committerSimon Glass <sjg@chromium.org>2016-03-14 15:34:50 -0600
commit3f603cbbb8e175e545d6037a783e1ef82bab30f9 (patch)
treec3122b2be426be9bcfd3285bda86cb175fb9aaeb /arch/x86/cpu/ivybridge
parentb06750501f5c0eef7fef094f13d2f2e313c60b79 (diff)
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dm: Use uclass_first_device_err() where it is useful
Use this new function in places where it simplifies the code. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/cpu/ivybridge')
-rw-r--r--arch/x86/cpu/ivybridge/cpu.c14
-rw-r--r--arch/x86/cpu/ivybridge/gma.c6
-rw-r--r--arch/x86/cpu/ivybridge/sata.c4
-rw-r--r--arch/x86/cpu/ivybridge/sdram.c4
4 files changed, 10 insertions, 18 deletions
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
index 948833c..5d839a7 100644
--- a/arch/x86/cpu/ivybridge/cpu.c
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -104,9 +104,9 @@ int arch_cpu_init_dm(void)
/* TODO(sjg@chromium.org): Get rid of gd->hose */
gd->hose = hose;
- ret = uclass_first_device(UCLASS_LPC, &dev);
- if (!dev)
- return -ENODEV;
+ ret = uclass_first_device_err(UCLASS_LPC, &dev);
+ if (ret)
+ return ret;
/*
* We should do as little as possible before the serial console is
@@ -210,11 +210,9 @@ int print_cpuinfo(void)
/* Early chipset init required before RAM init can work */
uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
- ret = uclass_first_device(UCLASS_LPC, &lpc);
+ ret = uclass_first_device_err(UCLASS_LPC, &lpc);
if (ret)
return ret;
- if (!dev)
- return -ENODEV;
/* Cause the SATA device to do its early init */
uclass_first_device(UCLASS_DISK, &dev);
@@ -236,11 +234,9 @@ int print_cpuinfo(void)
post_code(POST_EARLY_INIT);
/* Enable SPD ROMs and DDR-III DRAM */
- ret = uclass_first_device(UCLASS_I2C, &dev);
+ ret = uclass_first_device_err(UCLASS_I2C, &dev);
if (ret)
return ret;
- if (!dev)
- return -ENODEV;
/* Prepare USB controller early in S3 resume */
if (boot_mode == PEI_BOOT_RESUME)
diff --git a/arch/x86/cpu/ivybridge/gma.c b/arch/x86/cpu/ivybridge/gma.c
index 3b6291e..91a57f9 100644
--- a/arch/x86/cpu/ivybridge/gma.c
+++ b/arch/x86/cpu/ivybridge/gma.c
@@ -812,9 +812,9 @@ int gma_func0_init(struct udevice *dev)
writew(0x0010, RCB_REG(DISPBDF));
setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF);
- ret = uclass_first_device(UCLASS_NORTHBRIDGE, &nbridge);
- if (!nbridge)
- return -ENODEV;
+ ret = uclass_first_device_err(UCLASS_NORTHBRIDGE, &nbridge);
+ if (ret)
+ return ret;
rev = bridge_silicon_revision(nbridge);
sandybridge_setup_graphics(nbridge, dev);
diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c
index a59d9ed..da6455b 100644
--- a/arch/x86/cpu/ivybridge/sata.c
+++ b/arch/x86/cpu/ivybridge/sata.c
@@ -229,11 +229,9 @@ static int bd82x6x_sata_probe(struct udevice *dev)
struct udevice *pch;
int ret;
- ret = uclass_first_device(UCLASS_PCH, &pch);
+ ret = uclass_first_device_err(UCLASS_PCH, &pch);
if (ret)
return ret;
- if (!pch)
- return -ENODEV;
if (!(gd->flags & GD_FLG_RELOC))
bd82x6x_sata_enable(dev);
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index e23c422..0ebcc2c 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -736,11 +736,9 @@ int dram_init(void)
struct udevice *dev, *me_dev;
int ret;
- ret = uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
+ ret = uclass_first_device_err(UCLASS_NORTHBRIDGE, &dev);
if (ret)
return ret;
- if (!dev)
- return -ENODEV;
ret = syscon_get_by_driver_data(X86_SYSCON_ME, &me_dev);
if (ret)
return ret;