From: Sean Anderson <seanga2@gmail.com>
To: u-boot@lists.denx.de
Subject: [PATCH v11 09/21] dm: Fix error handling for dev_read_addr_ptr
Date: Wed, 20 May 2020 02:40:59 -0400 [thread overview]
Message-ID: <20200520064111.317605-10-seanga2@gmail.com> (raw)
In-Reply-To: <20200520064111.317605-1-seanga2@gmail.com>
dev_read_addr_ptr had different semantics depending on whether OF_LIVE was
enabled. This patch converts both implementations to return NULL on error,
and converts all call sites which check for FDT_ADDR_T_NONE to check for
NULL instead. This patch also removes the call to map_physmem, since we
have dev_remap_addr* for those semantics.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
Changes in v10:
- Explicitly cast fdt_addr_t to uintptr_t before casting to void *
Changes in v5:
- New
drivers/clk/imx/clk-imx8mp.c | 2 +-
drivers/core/read.c | 2 +-
drivers/pinctrl/broadcom/pinctrl-bcm283x.c | 2 +-
drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 2 +-
include/dm/read.h | 4 +++-
5 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
index 3d7aebb8e5..124138cf51 100644
--- a/drivers/clk/imx/clk-imx8mp.c
+++ b/drivers/clk/imx/clk-imx8mp.c
@@ -282,7 +282,7 @@ static int imx8mp_clk_probe(struct udevice *dev)
clk_dm(IMX8MP_SYS_PLL2_1000M, imx_clk_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1));
base = dev_read_addr_ptr(dev);
- if (base == (void *)FDT_ADDR_T_NONE)
+ if (!base)
return -EINVAL;
clk_dm(IMX8MP_CLK_A53_SRC, imx_clk_mux2("arm_a53_src", base + 0x8000, 24, 3, imx8mp_a53_sels, ARRAY_SIZE(imx8mp_a53_sels)));
diff --git a/drivers/core/read.c b/drivers/core/read.c
index 3d421f7a69..24f324eac2 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -167,7 +167,7 @@ void *dev_read_addr_ptr(const struct udevice *dev)
{
fdt_addr_t addr = dev_read_addr(dev);
- return (addr == FDT_ADDR_T_NONE) ? NULL : map_sysmem(addr, 0);
+ return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)(uintptr_t)addr;
}
void *dev_remap_addr(const struct udevice *dev)
diff --git a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
index f44af6cf9a..c22d534da9 100644
--- a/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
+++ b/drivers/pinctrl/broadcom/pinctrl-bcm283x.c
@@ -117,7 +117,7 @@ int bcm283x_pinctl_probe(struct udevice *dev)
}
priv->base_reg = dev_read_addr_ptr(dev);
- if (priv->base_reg == (void *)FDT_ADDR_T_NONE) {
+ if (!priv->base_reg) {
debug("%s: Failed to get base address\n", __func__);
return -EINVAL;
}
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 5fdc150295..e8187a3780 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -631,7 +631,7 @@ int mtk_pinctrl_common_probe(struct udevice *dev,
int ret;
priv->base = dev_read_addr_ptr(dev);
- if (priv->base == (void *)FDT_ADDR_T_NONE)
+ if (!priv->base)
return -EINVAL;
priv->soc = soc;
diff --git a/include/dm/read.h b/include/dm/read.h
index b952551d55..555c73248c 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -799,7 +799,9 @@ static inline fdt_addr_t dev_read_addr(const struct udevice *dev)
static inline void *dev_read_addr_ptr(const struct udevice *dev)
{
- return devfdt_get_addr_ptr(dev);
+ void *addr = devfdt_get_addr_ptr(dev);
+
+ return ((fdt_addr_t)(uintptr_t)addr == FDT_ADDR_T_NONE) ? NULL : addr;
}
static inline fdt_addr_t dev_read_addr_pci(const struct udevice *dev)
--
2.26.2
next prev parent reply other threads:[~2020-05-20 6:40 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 6:40 [PATCH v11 00/21] riscv: Add Sipeed Maix support Sean Anderson
2020-05-20 6:40 ` [PATCH v11 01/21] clk: Always use the supplied struct clk Sean Anderson
2020-05-20 6:40 ` [PATCH v11 02/21] clk: Check that ops of composite clock components exist before calling Sean Anderson
2020-05-20 6:40 ` [PATCH v11 03/21] clk: Unconditionally recursively en-/dis-able clocks Sean Anderson
2020-05-20 6:40 ` [PATCH v11 04/21] clk: Fix clk_get_by_* handling of index Sean Anderson
2020-05-20 6:40 ` [PATCH v11 05/21] clk: Add K210 pll support Sean Anderson
2020-05-20 6:40 ` [PATCH v11 06/21] clk: Add a bypass clock for K210 Sean Anderson
2020-05-20 6:40 ` [PATCH v11 07/21] clk: Add K210 clock support Sean Anderson
2020-05-20 6:40 ` [PATCH v11 08/21] dm: Add support for simple-pm-bus Sean Anderson
2020-05-20 6:40 ` Sean Anderson [this message]
2020-05-20 6:41 ` [PATCH v11 10/21] reset: Add generic reset driver Sean Anderson
2020-05-20 6:41 ` [PATCH v11 11/21] lib: Always set errno in hcreate_r Sean Anderson
2020-05-20 6:41 ` [PATCH v11 12/21] riscv: Add headers for asm/global_data.h Sean Anderson
2020-05-20 6:41 ` [PATCH v11 13/21] riscv: Clear pending interrupts before enabling IPIs Sean Anderson
2020-05-20 6:41 ` [PATCH v11 14/21] riscv: Clean up IPI initialization code Sean Anderson
2020-05-20 7:52 ` Rick Chen
2020-05-20 6:41 ` [PATCH v11 15/21] riscv: Add option to support RISC-V privileged spec 1.9 Sean Anderson
2020-05-20 6:41 ` [PATCH v11 16/21] riscv: Allow use of reset drivers Sean Anderson
2020-05-20 6:41 ` [PATCH v11 17/21] riscv: Try to get cpu frequency from a "clocks" node if it exists Sean Anderson
2020-05-20 6:41 ` [PATCH v11 18/21] riscv: Enable cpu clock if it is present Sean Anderson
2020-05-20 6:41 ` [PATCH v11 19/21] riscv: Add device tree for K210 and Sipeed Maix BitM Sean Anderson
2020-05-20 6:41 ` [PATCH v11 20/21] doc: riscv: Add documentation for Sipeed Maix Bit Sean Anderson
2020-05-20 6:41 ` [PATCH v11 21/21] riscv: Add Sipeed Maix support Sean Anderson
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