Messages in this thread Patch in this message | | | From | Loic Poulain <> | Subject | [PATCH] mfd: syscon: Use of_io_request_and_map() for IO mapping | Date | Mon, 20 Mar 2023 16:23:19 +0100 |
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Use of_io_request_and_map() instead of of_iomap() so that the region is reserved and protected, i.e reported in /proc/iomem and not accessible from user side (CONFIG_IO_STRICT_DEVMEM).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org> --- drivers/mfd/syscon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c index bdb2ce7ff03b..7e6d4edda118 100644 --- a/drivers/mfd/syscon.c +++ b/drivers/mfd/syscon.c @@ -60,7 +60,7 @@ static struct syscon *of_syscon_register(struct device_node *np, bool check_clk) goto err_map; } - base = of_iomap(np, 0); + base = of_io_request_and_map(np, 0, NULL); if (!base) { ret = -ENOMEM; goto err_map; -- 2.34.1
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