From 3f603cbbb8e175e545d6037a783e1ef82bab30f9 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Thu, 11 Feb 2016 13:23:26 -0700 Subject: [PATCH] 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 --- arch/arm/mach-rockchip/rk3288/sdram_rk3288.c | 2 +- arch/nios2/cpu/cpu.c | 4 +--- arch/x86/cpu/interrupts.c | 2 +- arch/x86/cpu/ivybridge/cpu.c | 14 +++++--------- arch/x86/cpu/ivybridge/gma.c | 6 +++--- arch/x86/cpu/ivybridge/sata.c | 4 +--- arch/x86/cpu/ivybridge/sdram.c | 4 +--- arch/x86/lib/mpspec.c | 2 +- cmd/bmp.c | 12 ++++-------- cmd/tpm.c | 4 ++-- drivers/gpio/rk_gpio.c | 4 +--- drivers/misc/altera_sysid.c | 4 +--- drivers/pci/pci-uclass.c | 4 +--- drivers/power/regulator/regulator-uclass.c | 2 +- drivers/timer/timer-uclass.c | 4 +--- drivers/video/vidconsole-uclass.c | 6 ++---- lib/tpm.c | 6 +++--- 17 files changed, 30 insertions(+), 54 deletions(-) diff --git a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c index 17daecaf2b..71330cb26d 100644 --- a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c +++ b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c @@ -756,7 +756,7 @@ static int veyron_init(struct dram_info *priv) struct udevice *pmic; int ret; - ret = uclass_first_device(UCLASS_PMIC, &pmic); + ret = uclass_first_device_err(UCLASS_PMIC, &pmic); if (ret) return ret; diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c index be7f99c1de..4f0f8fc5f8 100644 --- a/arch/nios2/cpu/cpu.c +++ b/arch/nios2/cpu/cpu.c @@ -63,11 +63,9 @@ int arch_cpu_init_dm(void) struct udevice *dev; int ret; - ret = uclass_first_device(UCLASS_CPU, &dev); + ret = uclass_first_device_err(UCLASS_CPU, &dev); if (ret) return ret; - if (!dev) - return -ENODEV; gd->ram_size = CONFIG_SYS_SDRAM_SIZE; #ifndef CONFIG_ROM_STUBS diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c index c40200bf85..10dc4d47f0 100644 --- a/arch/x86/cpu/interrupts.c +++ b/arch/x86/cpu/interrupts.c @@ -249,7 +249,7 @@ int interrupt_init(void) int ret; /* Try to set up the interrupt router, but don't require one */ - ret = uclass_first_device(UCLASS_IRQ, &dev); + ret = uclass_first_device_err(UCLASS_IRQ, &dev); if (ret && ret != -ENODEV) return ret; diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index 948833c028..5d839a7e1b 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 3b6291e905..91a57f9847 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 a59d9edce5..da6455b3bd 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 e23c422cd0..0ebcc2c257 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; diff --git a/arch/x86/lib/mpspec.c b/arch/x86/lib/mpspec.c index 0faa582d77..6ab43f1055 100644 --- a/arch/x86/lib/mpspec.c +++ b/arch/x86/lib/mpspec.c @@ -297,7 +297,7 @@ static int mptable_add_intsrc(struct mp_config_table *mc, const u32 *cell; int i, ret; - ret = uclass_first_device(UCLASS_IRQ, &dev); + ret = uclass_first_device_err(UCLASS_IRQ, &dev); if (ret && ret != -ENODEV) { debug("%s: Cannot find irq router node\n", __func__); return ret; diff --git a/cmd/bmp.c b/cmd/bmp.c index 01b3d39e9c..fb6fe3f286 100644 --- a/cmd/bmp.c +++ b/cmd/bmp.c @@ -246,18 +246,14 @@ int bmp_display(ulong addr, int x, int y) addr = map_to_sysmem(bmp); #ifdef CONFIG_DM_VIDEO - ret = uclass_first_device(UCLASS_VIDEO, &dev); + ret = uclass_first_device_err(UCLASS_VIDEO, &dev); if (!ret) { - if (!dev) - ret = -ENODEV; - if (!ret) { - bool align = false; + bool align = false; # ifdef CONFIG_SPLASH_SCREEN_ALIGN - align = true; + align = true; # endif /* CONFIG_SPLASH_SCREEN_ALIGN */ - ret = video_bmp_display(dev, addr, x, y, align); - } + ret = video_bmp_display(dev, addr, x, y, align); } #elif defined(CONFIG_LCD) ret = lcd_display_bitmap(addr, x, y); diff --git a/cmd/tpm.c b/cmd/tpm.c index 6edf3e9dc3..312503fb96 100644 --- a/cmd/tpm.c +++ b/cmd/tpm.c @@ -447,8 +447,8 @@ static int get_tpm(struct udevice **devp) { int rc; - rc = uclass_first_device(UCLASS_TPM, devp); - if (rc || !*devp) { + rc = uclass_first_device_err(UCLASS_TPM, devp); + if (rc) { printf("Could not find TPM (ret=%d)\n", rc); return CMD_RET_FAILURE; } diff --git a/drivers/gpio/rk_gpio.c b/drivers/gpio/rk_gpio.c index c62f0251c4..40e87bd199 100644 --- a/drivers/gpio/rk_gpio.c +++ b/drivers/gpio/rk_gpio.c @@ -116,11 +116,9 @@ static int rockchip_gpio_probe(struct udevice *dev) /* This only supports RK3288 at present */ priv->regs = (struct rockchip_gpio_regs *)dev_get_addr(dev); - ret = uclass_first_device(UCLASS_PINCTRL, &priv->pinctrl); + ret = uclass_first_device_err(UCLASS_PINCTRL, &priv->pinctrl); if (ret) return ret; - if (!priv->pinctrl) - return -ENODEV; uc_priv->gpio_count = ROCKCHIP_GPIOS_PER_BANK; end = strrchr(dev->name, '@'); diff --git a/drivers/misc/altera_sysid.c b/drivers/misc/altera_sysid.c index 2d0fa2a7dd..ed6d462c95 100644 --- a/drivers/misc/altera_sysid.c +++ b/drivers/misc/altera_sysid.c @@ -32,11 +32,9 @@ void display_sysid(void) int ret; /* the first misc device will be used */ - ret = uclass_first_device(UCLASS_MISC, &dev); + ret = uclass_first_device_err(UCLASS_MISC, &dev); if (ret) return; - if (!dev) - return; ret = misc_read(dev, 0, &sysid, sizeof(sysid)); if (ret) return; diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index d01bfc12e4..519052efe3 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -30,11 +30,9 @@ int pci_get_bus(int busnum, struct udevice **busp) /* Since buses may not be numbered yet try a little harder with bus 0 */ if (ret == -ENODEV) { - ret = uclass_first_device(UCLASS_PCI, busp); + ret = uclass_first_device_err(UCLASS_PCI, busp); if (ret) return ret; - else if (!*busp) - return -ENODEV; ret = uclass_get_device_by_seq(UCLASS_PCI, busnum, busp); } diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index 9fe07f2f73..4434e36312 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -325,7 +325,7 @@ int regulators_enable_boot_on(bool verbose) if (ret) return ret; for (uclass_first_device(UCLASS_REGULATOR, &dev); - dev && !ret; + dev; uclass_next_device(&dev)) { ret = regulator_autoset(dev); if (ret == -EMEDIUMTYPE) { diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c index 382c0f2bd1..f8ddf93cf8 100644 --- a/drivers/timer/timer-uclass.c +++ b/drivers/timer/timer-uclass.c @@ -82,11 +82,9 @@ int notrace dm_timer_init(void) node = fdtdec_get_chosen_node(blob, "tick-timer"); if (node < 0) { /* No chosen timer, trying first available timer */ - ret = uclass_first_device(UCLASS_TIMER, &dev); + ret = uclass_first_device_err(UCLASS_TIMER, &dev); if (ret) return ret; - if (!dev) - return -ENODEV; } else { if (uclass_get_device_by_of_offset(UCLASS_TIMER, node, &dev)) { /* diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c index 832e90aea2..c8cc05e3c2 100644 --- a/drivers/video/vidconsole-uclass.c +++ b/drivers/video/vidconsole-uclass.c @@ -240,8 +240,7 @@ static int do_video_setcursor(cmd_tbl_t *cmdtp, int flag, int argc, if (argc != 3) return CMD_RET_USAGE; - uclass_first_device(UCLASS_VIDEO_CONSOLE, &dev); - if (!dev) + if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev)) return CMD_RET_FAILURE; col = simple_strtoul(argv[1], NULL, 10); row = simple_strtoul(argv[2], NULL, 10); @@ -259,8 +258,7 @@ static int do_video_puts(cmd_tbl_t *cmdtp, int flag, int argc, if (argc != 2) return CMD_RET_USAGE; - uclass_first_device(UCLASS_VIDEO_CONSOLE, &dev); - if (!dev) + if (uclass_first_device_err(UCLASS_VIDEO_CONSOLE, &dev)) return CMD_RET_FAILURE; for (s = argv[1]; *s; s++) vidconsole_put_char(dev, *s); diff --git a/lib/tpm.c b/lib/tpm.c index f428d454fb..88f24060f0 100644 --- a/lib/tpm.c +++ b/lib/tpm.c @@ -242,7 +242,7 @@ static uint32_t tpm_sendrecv_command(const void *command, response_length = sizeof(response_buffer); } - ret = uclass_first_device(UCLASS_TPM, &dev); + ret = uclass_first_device_err(UCLASS_TPM, &dev); if (ret) return ret; err = tpm_xfer(dev, command, tpm_command_size(command), @@ -261,8 +261,8 @@ int tpm_init(void) int err; struct udevice *dev; - err = uclass_first_device(UCLASS_TPM, &dev); - if (err || !dev) + err = uclass_first_device_err(UCLASS_TPM, &dev); + if (err) return err; return tpm_open(dev); } -- 2.39.5