2023-09-27 16:40:39

by Sudeep Holla

[permalink] [raw]
Subject: [PATCH v2 2/4] i2c: xgene-slimpro: Migrate to use generic PCC shmem related macros

Use the newly defined common and generic PCC shared memory region
related macros in this driver to replace the locally defined ones.

Reviewed-by: Andi Shyti <[email protected]>
Signed-off-by: Sudeep Holla <[email protected]>
---
drivers/i2c/busses/i2c-xgene-slimpro.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
index fbc1ffbd2fa7..658396c9eeab 100644
--- a/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -91,14 +91,6 @@

#define SLIMPRO_IIC_MSG_DWORD_COUNT 3

-/* PCC related defines */
-#define PCC_SIGNATURE 0x50424300
-#define PCC_STS_CMD_COMPLETE BIT(0)
-#define PCC_STS_SCI_DOORBELL BIT(1)
-#define PCC_STS_ERR BIT(2)
-#define PCC_STS_PLAT_NOTIFY BIT(3)
-#define PCC_CMD_GENERATE_DB_INT BIT(15)
-
struct slimpro_i2c_dev {
struct i2c_adapter adapter;
struct device *dev;
@@ -160,11 +152,11 @@ static void slimpro_i2c_pcc_rx_cb(struct mbox_client *cl, void *msg)

/* Check if platform sends interrupt */
if (!xgene_word_tst_and_clr(&generic_comm_base->status,
- PCC_STS_SCI_DOORBELL))
+ PCC_STATUS_SCI_DOORBELL))
return;

if (xgene_word_tst_and_clr(&generic_comm_base->status,
- PCC_STS_CMD_COMPLETE)) {
+ PCC_STATUS_CMD_COMPLETE)) {
msg = generic_comm_base + 1;

/* Response message msg[1] contains the return value. */
@@ -186,10 +178,10 @@ static void slimpro_i2c_pcc_tx_prepare(struct slimpro_i2c_dev *ctx, u32 *msg)
cpu_to_le32(PCC_SIGNATURE | ctx->mbox_idx));

WRITE_ONCE(generic_comm_base->command,
- cpu_to_le16(SLIMPRO_MSG_TYPE(msg[0]) | PCC_CMD_GENERATE_DB_INT));
+ cpu_to_le16(SLIMPRO_MSG_TYPE(msg[0]) | PCC_CMD_GENERATE_DB_INTR));

status = le16_to_cpu(READ_ONCE(generic_comm_base->status));
- status &= ~PCC_STS_CMD_COMPLETE;
+ status &= ~PCC_STATUS_CMD_COMPLETE;
WRITE_ONCE(generic_comm_base->status, cpu_to_le16(status));

/* Copy the message to the PCC comm space */

--
2.42.0


2023-09-29 07:34:08

by Wolfram Sang

[permalink] [raw]
Subject: Re: [PATCH v2 2/4] i2c: xgene-slimpro: Migrate to use generic PCC shmem related macros

On Wed, Sep 27, 2023 at 05:26:11PM +0100, Sudeep Holla wrote:
> Use the newly defined common and generic PCC shared memory region
> related macros in this driver to replace the locally defined ones.
>
> Reviewed-by: Andi Shyti <[email protected]>
> Signed-off-by: Sudeep Holla <[email protected]>

Acked-by: Wolfram Sang <[email protected]>


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