diff options
| author |  Rob Herring <robh@kernel.org>
| 2023-02-01 15:58:54 -0600 |
|---|---|---|
| committer |  Shawn Guo <shawnguo@kernel.org>
| 2023-03-06 11:02:16 +0800 |
| commit | 2a88e4792c6df4b6a93f2bdb1eaf0df7408bd40d (patch) | |
| tree | ae28b7779d202dc9a1ae170088c12bd67ed7eef5 /drivers/bus | |
| parent | firmware: imx: scu: use dev_err_probe (diff) | |
| download | linux-2a88e4792c6df4b6a93f2bdb1eaf0df7408bd40d.tar.gz linux-2a88e4792c6df4b6a93f2bdb1eaf0df7408bd40d.tar.bz2 linux-2a88e4792c6df4b6a93f2bdb1eaf0df7408bd40d.zip | |
bus: imx-weim: Remove open coded "ranges" parsing
"ranges" is a standard property and we have common helper functions for
parsing it, so let's use them.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/imx-weim.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c index 2a6b4f676458..a8fd41e8114e 100644 --- a/drivers/bus/imx-weim.c +++ b/drivers/bus/imx-weim.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> @@ -86,8 +87,8 @@ MODULE_DEVICE_TABLE(of, weim_id_table); static int imx_weim_gpr_setup(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - struct property *prop; - const __be32 *p; + struct of_range_parser parser; + struct of_range range; struct regmap *gpr; u32 gprvals[4] = { 05, /* CS0(128M) CS1(0M) CS2(0M) CS3(0M) */ @@ -106,13 +107,13 @@ static int imx_weim_gpr_setup(struct platform_device *pdev) return 0; } - of_property_for_each_u32(np, "ranges", prop, p, val) { - if (i % 4 == 0) { - cs = val; - } else if (i % 4 == 3 && val) { - val = (val / SZ_32M) | 1; - gprval |= val << cs * 3; - } + if (of_range_parser_init(&parser, np)) + goto err; + + for_each_of_range(&parser, &range) { + cs = range.bus_addr >> 32; + val = (range.size / SZ_32M) | 1; + gprval |= val << cs * 3; i++; } |