diff options
Diffstat (limited to 'drivers/sfi/sfi_core.c')
| -rw-r--r-- | drivers/sfi/sfi_core.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/sfi/sfi_core.c b/drivers/sfi/sfi_core.c index d3b496800477..251da2298b69 100644 --- a/drivers/sfi/sfi_core.c +++ b/drivers/sfi/sfi_core.c @@ -90,7 +90,11 @@ static struct sfi_table_simple *syst_va __read_mostly; */ static u32 sfi_use_ioremap __read_mostly; -static void __iomem *sfi_map_memory(u64 phys, u32 size) +/* + * sfi_un/map_memory calls early_ioremap/iounmap which is a __init function + * and introduces section mismatch. So use __ref to make it calm. + */ +static void __iomem * __ref sfi_map_memory(u64 phys, u32 size) { if (!phys || !size) return NULL; @@ -101,7 +105,7 @@ static void __iomem *sfi_map_memory(u64 phys, u32 size) return early_ioremap(phys, size); } -static void sfi_unmap_memory(void __iomem *virt, u32 size) +static void __ref sfi_unmap_memory(void __iomem *virt, u32 size) { if (!virt || !size) return; @@ -213,12 +217,17 @@ static int sfi_table_check_key(struct sfi_table_header *th, * the mapped virt address will be returned, and the virt space * will be released by call sfi_put_table() later * + * This two cases are from two different functions with two different + * sections and causes section mismatch warning. So use __ref to tell + * modpost not to make any noise. + * * Return value: * NULL: when can't find a table matching the key * ERR_PTR(error): error value * virt table address: when a matched table is found */ -struct sfi_table_header *sfi_check_table(u64 pa, struct sfi_table_key *key) +struct sfi_table_header * + __ref sfi_check_table(u64 pa, struct sfi_table_key *key) { struct sfi_table_header *th; void *ret = NULL; |