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mtd: phram: Module parameters add writable permissions

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The phram code implements managing multiple devices through a linked
list.
However, due to the module parameter permission of 0, the
/sys/module/phram/parameters/phram interface is missing.
The command line arguments in insmod can only create one device.

Therefore, add writable permissions to the module parameters, create
/sys/module/phram/parameters/phram interface, and create multi-device
support.

Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Xiaoming Ni 2019-07-14 11:57:18 +08:00 committed by Richard Weinberger
parent 97ef08ae27
commit f3d45ac21e
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/devices/phram.c
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@ -294,7 +294,7 @@ static int phram_param_call(const char *val, const struct kernel_param *kp)
#endif
}
module_param_call(phram, phram_param_call, NULL, NULL, 000);
module_param_call(phram, phram_param_call, NULL, NULL, 0200);
MODULE_PARM_DESC(phram, "Memory region to map. \"phram=<name>,<start>,<length>\"");