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-rw-r--r--drivers/i2c/busses/i2c-mlxcpld.c4
-rw-r--r--drivers/i2c/busses/i2c-mt65xx.c11
-rw-r--r--drivers/i2c/busses/i2c-xgene-slimpro.c33
-rw-r--r--drivers/i2c/i2c-core-acpi.c1
4 files changed, 25 insertions, 24 deletions
diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c
index 4e0b7c2882ce..015e11c4663f 100644
--- a/drivers/i2c/busses/i2c-mlxcpld.c
+++ b/drivers/i2c/busses/i2c-mlxcpld.c
@@ -49,7 +49,7 @@
#define MLXCPLD_LPCI2C_NACK_IND 2
#define MLXCPLD_I2C_FREQ_1000KHZ_SET 0x04
-#define MLXCPLD_I2C_FREQ_400KHZ_SET 0x0f
+#define MLXCPLD_I2C_FREQ_400KHZ_SET 0x0c
#define MLXCPLD_I2C_FREQ_100KHZ_SET 0x42
enum mlxcpld_i2c_frequency {
@@ -495,7 +495,7 @@ mlxcpld_i2c_set_frequency(struct mlxcpld_i2c_priv *priv,
return err;
/* Set frequency only if it is not 100KHz, which is default. */
- switch ((data->reg & data->mask) >> data->bit) {
+ switch ((regval & data->mask) >> data->bit) {
case MLXCPLD_I2C_FREQ_1000KHZ:
freq = MLXCPLD_I2C_FREQ_1000KHZ_SET;
break;
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 477480d1de6b..7d4b3eb7077a 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -41,6 +41,8 @@
#define I2C_HANDSHAKE_RST 0x0020
#define I2C_FIFO_ADDR_CLR 0x0001
#define I2C_DELAY_LEN 0x0002
+#define I2C_ST_START_CON 0x8001
+#define I2C_FS_START_CON 0x1800
#define I2C_TIME_CLR_VALUE 0x0000
#define I2C_TIME_DEFAULT_VALUE 0x0003
#define I2C_WRRD_TRANAC_VALUE 0x0002
@@ -480,6 +482,7 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
{
u16 control_reg;
u16 intr_stat_reg;
+ u16 ext_conf_val;
mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, OFFSET_START);
intr_stat_reg = mtk_i2c_readw(i2c, OFFSET_INTR_STAT);
@@ -518,8 +521,13 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
if (i2c->dev_comp->ltiming_adjust)
mtk_i2c_writew(i2c, i2c->ltiming_reg, OFFSET_LTIMING);
+ if (i2c->speed_hz <= I2C_MAX_STANDARD_MODE_FREQ)
+ ext_conf_val = I2C_ST_START_CON;
+ else
+ ext_conf_val = I2C_FS_START_CON;
+
if (i2c->dev_comp->timing_adjust) {
- mtk_i2c_writew(i2c, i2c->ac_timing.ext, OFFSET_EXT_CONF);
+ ext_conf_val = i2c->ac_timing.ext;
mtk_i2c_writew(i2c, i2c->ac_timing.inter_clk_div,
OFFSET_CLOCK_DIV);
mtk_i2c_writew(i2c, I2C_SCL_MIS_COMP_VALUE,
@@ -544,6 +552,7 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
OFFSET_HS_STA_STO_AC_TIMING);
}
}
+ mtk_i2c_writew(i2c, ext_conf_val, OFFSET_EXT_CONF);
/* If use i2c pin from PMIC mt6397 side, need set PATH_DIR first */
if (i2c->have_pmic)
diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
index bba08cbce6e1..1a19ebad60ad 100644
--- a/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -103,6 +103,7 @@ struct slimpro_i2c_dev {
struct i2c_adapter adapter;
struct device *dev;
struct mbox_chan *mbox_chan;
+ struct pcc_mbox_chan *pcc_chan;
struct mbox_client mbox_client;
int mbox_idx;
struct completion rd_complete;
@@ -466,7 +467,7 @@ static int xgene_slimpro_i2c_probe(struct platform_device *pdev)
return PTR_ERR(ctx->mbox_chan);
}
} else {
- struct acpi_pcct_hw_reduced *cppc_ss;
+ struct pcc_mbox_chan *pcc_chan;
const struct acpi_device_id *acpi_id;
int version = XGENE_SLIMPRO_I2C_V1;
@@ -483,24 +484,14 @@ static int xgene_slimpro_i2c_probe(struct platform_device *pdev)
cl->tx_block = false;
cl->rx_callback = slimpro_i2c_pcc_rx_cb;
- ctx->mbox_chan = pcc_mbox_request_channel(cl, ctx->mbox_idx);
- if (IS_ERR(ctx->mbox_chan)) {
+ pcc_chan = pcc_mbox_request_channel(cl, ctx->mbox_idx);
+ if (IS_ERR(pcc_chan)) {
dev_err(&pdev->dev, "PCC mailbox channel request failed\n");
- return PTR_ERR(ctx->mbox_chan);
+ return PTR_ERR(ctx->pcc_chan);
}
- /*
- * The PCC mailbox controller driver should
- * have parsed the PCCT (global table of all
- * PCC channels) and stored pointers to the
- * subspace communication region in con_priv.
- */
- cppc_ss = ctx->mbox_chan->con_priv;
- if (!cppc_ss) {
- dev_err(&pdev->dev, "PPC subspace not found\n");
- rc = -ENOENT;
- goto mbox_err;
- }
+ ctx->pcc_chan = pcc_chan;
+ ctx->mbox_chan = pcc_chan->mchan;
if (!ctx->mbox_chan->mbox->txdone_irq) {
dev_err(&pdev->dev, "PCC IRQ not supported\n");
@@ -512,17 +503,17 @@ static int xgene_slimpro_i2c_probe(struct platform_device *pdev)
* This is the shared communication region
* for the OS and Platform to communicate over.
*/
- ctx->comm_base_addr = cppc_ss->base_address;
+ ctx->comm_base_addr = pcc_chan->shmem_base_addr;
if (ctx->comm_base_addr) {
if (version == XGENE_SLIMPRO_I2C_V2)
ctx->pcc_comm_addr = memremap(
ctx->comm_base_addr,
- cppc_ss->length,
+ pcc_chan->shmem_size,
MEMREMAP_WT);
else
ctx->pcc_comm_addr = memremap(
ctx->comm_base_addr,
- cppc_ss->length,
+ pcc_chan->shmem_size,
MEMREMAP_WB);
} else {
dev_err(&pdev->dev, "Failed to get PCC comm region\n");
@@ -561,7 +552,7 @@ mbox_err:
if (acpi_disabled)
mbox_free_channel(ctx->mbox_chan);
else
- pcc_mbox_free_channel(ctx->mbox_chan);
+ pcc_mbox_free_channel(ctx->pcc_chan);
return rc;
}
@@ -575,7 +566,7 @@ static int xgene_slimpro_i2c_remove(struct platform_device *pdev)
if (acpi_disabled)
mbox_free_channel(ctx->mbox_chan);
else
- pcc_mbox_free_channel(ctx->mbox_chan);
+ pcc_mbox_free_channel(ctx->pcc_chan);
return 0;
}
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index aaeeacc12121..546cc935e035 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -454,6 +454,7 @@ static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value,
break;
i2c_acpi_register_device(adapter, adev, &info);
+ put_device(&adapter->dev);
break;
case ACPI_RECONFIG_DEVICE_REMOVE:
if (!acpi_device_enumerated(adev))
generated by cgit (git 2.34.1) at 2025-05-31 13:08:35 +0000