On 10/25/24 12:03, Konrad Dybcio wrote:
On 25.10.2024 10:48 AM, Eugen Hristev wrote:
Reworked BCM_TCS_CMD macro in order to fix warnings from sparse:
drivers/clk/qcom/clk-rpmh.c:270:28: warning: restricted __le32 degrades to integer
drivers/clk/qcom/clk-rpmh.c:270:28: warning: restricted __le32 degrades to integer
While at it, used u32_encode_bits which made the code easier to
follow and removed unnecessary shift definitions.
Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxx>
---
include/soc/qcom/tcs.h | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/include/soc/qcom/tcs.h b/include/soc/qcom/tcs.h
index 3acca067c72b..130ed2582f37 100644
--- a/include/soc/qcom/tcs.h
+++ b/include/soc/qcom/tcs.h
@@ -60,22 +60,19 @@ struct tcs_request {
struct tcs_cmd *cmds;
};
-#define BCM_TCS_CMD_COMMIT_SHFT 30
#define BCM_TCS_CMD_COMMIT_MASK 0x40000000
-#define BCM_TCS_CMD_VALID_SHFT 29
#define BCM_TCS_CMD_VALID_MASK 0x20000000
-#define BCM_TCS_CMD_VOTE_X_SHFT 14
#define BCM_TCS_CMD_VOTE_MASK 0x3fff
-#define BCM_TCS_CMD_VOTE_Y_SHFT 0
-#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000
+#define BCM_TCS_CMD_VOTE_Y_MASK 0x3fff
+#define BCM_TCS_CMD_VOTE_X_MASK 0xfffc000
/* Construct a Bus Clock Manager (BCM) specific TCS command */
#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \
- (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \
- ((valid) << BCM_TCS_CMD_VALID_SHFT) | \
- ((cpu_to_le32(vote_x) & \
- BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \
- ((cpu_to_le32(vote_y) & \
- BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT))
+ (u32_encode_bits(commit, BCM_TCS_CMD_COMMIT_MASK) | \
+ u32_encode_bits(valid, BCM_TCS_CMD_VALID_MASK) | \
+ u32_encode_bits((__force u32)cpu_to_le32(vote_x), \
+ BCM_TCS_CMD_VOTE_X_MASK) | \
+ u32_encode_bits((__force u32)cpu_to_le32(vote_y), \
+ BCM_TCS_CMD_VOTE_Y_MASK))
FIELD_PREP/GET?
Konrad
What would be the difference/advantage in using FIELD_PREP/GET instead
of u32_encode_bits ?
