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authorNiklas Schnelle <schnelle@linux.ibm.com>2023-05-22 12:50:15 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-05-31 20:17:29 +0200
commite7f3dd801ecfa9eeb936133122dcecd433f76c4d (patch)
tree34afbb41f23c06a09bead09bea825de40ffa3c4b /drivers/firmware
parentcounter: add HAS_IOPORT_MAP dependency (diff)
downloadlinux-e7f3dd801ecfa9eeb936133122dcecd433f76c4d.tar.xz
linux-e7f3dd801ecfa9eeb936133122dcecd433f76c4d.zip
firmware: dmi-sysfs: handle HAS_IOPORT=n
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@kernel.org> Signed-off-by: Arnd Bergmann <arnd@kernel.org> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> Link: https://lore.kernel.org/r/20230522105049.1467313-11-schnelle@linux.ibm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/dmi-sysfs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/firmware/dmi-sysfs.c b/drivers/firmware/dmi-sysfs.c
index 03708ab64e56..8d91997036e4 100644
--- a/drivers/firmware/dmi-sysfs.c
+++ b/drivers/firmware/dmi-sysfs.c
@@ -310,6 +310,7 @@ static const 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);