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| author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-04 12:15:09 -0300 |
|---|---|---|
| committer | John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> | 2024-02-15 18:10:49 +0100 |
| commit | d32b8d7e3d207bf4d5ae06b1e0fca27fd7639371 (patch) | |
| tree | 05af2cbb77239be85c82339d2f50b29a525009a3 /arch/sh | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
| download | lwn-d32b8d7e3d207bf4d5ae06b1e0fca27fd7639371.tar.gz lwn-d32b8d7e3d207bf4d5ae06b1e0fca27fd7639371.zip | |
sh: dma-sysfs: Make dma_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the dma_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-sh-v1-1-44ced951bb16@marliere.net
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/drivers/dma/dma-sysfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c index 431bc18f0a41..9f666280d80c 100644 --- a/arch/sh/drivers/dma/dma-sysfs.c +++ b/arch/sh/drivers/dma/dma-sysfs.c @@ -15,7 +15,7 @@ #include <linux/string.h> #include <asm/dma.h> -static struct bus_type dma_subsys = { +static const struct bus_type dma_subsys = { .name = "dma", .dev_name = "dma", }; |