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ACPI: sysfs: Make sparse happy about address space in use
commit bdd56d7d89
upstream.
Sparse is not happy about address space in use in acpi_data_show():
drivers/acpi/sysfs.c:428:14: warning: incorrect type in assignment (different address spaces)
drivers/acpi/sysfs.c:428:14: expected void [noderef] __iomem *base
drivers/acpi/sysfs.c:428:14: got void *
drivers/acpi/sysfs.c:431:59: warning: incorrect type in argument 4 (different address spaces)
drivers/acpi/sysfs.c:431:59: expected void const *from
drivers/acpi/sysfs.c:431:59: got void [noderef] __iomem *base
drivers/acpi/sysfs.c:433:30: warning: incorrect type in argument 1 (different address spaces)
drivers/acpi/sysfs.c:433:30: expected void *logical_address
drivers/acpi/sysfs.c:433:30: got void [noderef] __iomem *base
Indeed, acpi_os_map_memory() returns a void pointer with dropped specific
address space. Hence, we don't need to carry out __iomem in acpi_data_show().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: dann frazier <dann.frazier@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 1 additions and 1 deletions
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@ -438,7 +438,7 @@ static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
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loff_t offset, size_t count)
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{
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struct acpi_data_attr *data_attr;
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void __iomem *base;
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void *base;
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ssize_t rc;
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data_attr = container_of(bin_attr, struct acpi_data_attr, attr);
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