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-rw-r--r--drivers/i2c/busses/i2c-designware-pcidrv.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 5b45941bcbdd..f49c41ba5647 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -38,6 +38,13 @@ enum dw_pci_ctl_id_t {
navi_amd,
};
+/*
+ * This is a legacy structure to describe the hardware counters
+ * to configure signal timings on the bus. For Device Tree platforms
+ * one should use the respective properties and for ACPI there is
+ * a set of ACPI methods that provide these counters. No new
+ * platform should use this structure.
+ */
struct dw_scl_sda_cfg {
u16 ss_hcnt;
u16 fs_hcnt;