In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
not being declared. We thus need to guard sections of code calling them
as alternative access methods.
Co-developed-by: Arnd Bergmann <arnd@xxxxxxxxxx>
Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
---
drivers/firmware/dmi-sysfs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/firmware/dmi-sysfs.c b/drivers/firmware/dmi-sysfs.c
index 3a353776bd34..384988a10d09 100644
--- a/drivers/firmware/dmi-sysfs.c
+++ b/drivers/firmware/dmi-sysfs.c
@@ -310,6 +310,7 @@ static struct kobj_type dmi_system_event_log_ktype = {
.default_groups = dmi_sysfs_sel_groups,
};
+#ifdef CONFIG_HAS_IOPORT
typedef u8 (*sel_io_reader)(const struct dmi_system_event_log *sel,
loff_t offset);
@@ -374,6 +375,7 @@ static ssize_t dmi_sel_raw_read_io(struct dmi_sysfs_entry *entry,
return wrote;
}
+#endif
static ssize_t dmi_sel_raw_read_phys32(struct dmi_sysfs_entry *entry,
const struct dmi_system_event_log *sel,
@@ -409,11 +411,13 @@ static ssize_t dmi_sel_raw_read_helper(struct dmi_sysfs_entry *entry,
memcpy(&sel, dh, sizeof(sel));
switch (sel.access_method) {
+#ifdef CONFIG_HAS_IOPORT
case DMI_SEL_ACCESS_METHOD_IO8:
case DMI_SEL_ACCESS_METHOD_IO2x8:
case DMI_SEL_ACCESS_METHOD_IO16:
return dmi_sel_raw_read_io(entry, &sel, state->buf,
state->pos, state->count);
+#endif
case DMI_SEL_ACCESS_METHOD_PHYS32:
return dmi_sel_raw_read_phys32(entry, &sel, state->buf,
state->pos, state->count);
--
2.32.0
