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authorTero Kristo <t-kristo@ti.com>2019-05-28 16:10:24 +0300
committerTero Kristo <t-kristo@ti.com>2019-06-12 14:45:00 +0300
commit81f4458c9c6998fcd37c427d16d76d4dba65d015 (patch)
tree91cb8ff90a7308c5c1aac583c9725fe274ca9268 /include/linux/soc
parent3f1f22d8009035a641a359a09239bcc6ffac7bb9 (diff)
firmware: ti_sci: extend clock identifiers from u8 to u32
Future SoCs are going to have more than 255 device clocks in certain cases, and thus the API must be extended to support this. The support is done in backwards compatible extension, in which the new u32 clock identifier fields are only used if the existing u8 size clock identifier is set as 255. In all the other cases, the existing u8 clock identifier is used. As the size of the messages sent / received is not verified for existing devices / old firmware, increasing the size of the messages from the end is also fine. Due to this reason, depending on ABI version isn't necessary either. Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'include/linux/soc')
-rw-r--r--include/linux/soc/ti/ti_sci_protocol.h28
1 files changed, 14 insertions, 14 deletions
diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h
index 568722a041bf..406e6717d252 100644
--- a/include/linux/soc/ti/ti_sci_protocol.h
+++ b/include/linux/soc/ti/ti_sci_protocol.h
@@ -166,29 +166,29 @@ struct ti_sci_dev_ops {
* managed by driver for that purpose.
*/
struct ti_sci_clk_ops {
- int (*get_clock)(const struct ti_sci_handle *handle, u32 did, u8 cid,
+ int (*get_clock)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool needs_ssc, bool can_change_freq,
bool enable_input_term);
- int (*idle_clock)(const struct ti_sci_handle *handle, u32 did, u8 cid);
- int (*put_clock)(const struct ti_sci_handle *handle, u32 did, u8 cid);
- int (*is_auto)(const struct ti_sci_handle *handle, u32 did, u8 cid,
+ int (*idle_clock)(const struct ti_sci_handle *handle, u32 did, u32 cid);
+ int (*put_clock)(const struct ti_sci_handle *handle, u32 did, u32 cid);
+ int (*is_auto)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool *req_state);
- int (*is_on)(const struct ti_sci_handle *handle, u32 did, u8 cid,
+ int (*is_on)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool *req_state, bool *current_state);
- int (*is_off)(const struct ti_sci_handle *handle, u32 did, u8 cid,
+ int (*is_off)(const struct ti_sci_handle *handle, u32 did, u32 cid,
bool *req_state, bool *current_state);
- int (*set_parent)(const struct ti_sci_handle *handle, u32 did, u8 cid,
- u8 parent_id);
- int (*get_parent)(const struct ti_sci_handle *handle, u32 did, u8 cid,
- u8 *parent_id);
+ int (*set_parent)(const struct ti_sci_handle *handle, u32 did, u32 cid,
+ u32 parent_id);
+ int (*get_parent)(const struct ti_sci_handle *handle, u32 did, u32 cid,
+ u32 *parent_id);
int (*get_num_parents)(const struct ti_sci_handle *handle, u32 did,
- u8 cid, u8 *num_parents);
+ u32 cid, u32 *num_parents);
int (*get_best_match_freq)(const struct ti_sci_handle *handle, u32 did,
- u8 cid, u64 min_freq, u64 target_freq,
+ u32 cid, u64 min_freq, u64 target_freq,
u64 max_freq, u64 *match_freq);
- int (*set_freq)(const struct ti_sci_handle *handle, u32 did, u8 cid,
+ int (*set_freq)(const struct ti_sci_handle *handle, u32 did, u32 cid,
u64 min_freq, u64 target_freq, u64 max_freq);
- int (*get_freq)(const struct ti_sci_handle *handle, u32 did, u8 cid,
+ int (*get_freq)(const struct ti_sci_handle *handle, u32 did, u32 cid,
u64 *current_freq);
};