diff options
Diffstat (limited to 'target/linux/mediatek/patches/0031-I2C-mediatek-Add-driver-for-MediaTek-MT8173-I2C-cont.patch')
| -rw-r--r-- | target/linux/mediatek/patches/0031-I2C-mediatek-Add-driver-for-MediaTek-MT8173-I2C-cont.patch | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/target/linux/mediatek/patches/0031-I2C-mediatek-Add-driver-for-MediaTek-MT8173-I2C-cont.patch b/target/linux/mediatek/patches/0031-I2C-mediatek-Add-driver-for-MediaTek-MT8173-I2C-cont.patch index 25ea23ef23..af9673de4b 100644 --- a/target/linux/mediatek/patches/0031-I2C-mediatek-Add-driver-for-MediaTek-MT8173-I2C-cont.patch +++ b/target/linux/mediatek/patches/0031-I2C-mediatek-Add-driver-for-MediaTek-MT8173-I2C-cont.patch @@ -15,8 +15,6 @@ Signed-off-by: Eddie Huang <eddie.huang@mediatek.com> drivers/i2c/busses/i2c-mt65xx.c | 104 ++++++++++++++++++++++++++++----------- 1 file changed, 76 insertions(+), 28 deletions(-) -diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c -index faecf7e..c501421 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -33,10 +33,13 @@ @@ -51,7 +49,7 @@ index faecf7e..c501421 100644 }; struct mtk_i2c { -@@ -172,21 +179,39 @@ static const struct i2c_adapter_quirks mt6577_i2c_quirks = { +@@ -172,21 +179,39 @@ static const struct i2c_adapter_quirks m .max_comb_2nd_msg_len = MAX_WRRD_TRANS_SIZE_MT6577, }; @@ -91,7 +89,7 @@ index faecf7e..c501421 100644 {} }; MODULE_DEVICE_TABLE(of, mtk_i2c_of_match); -@@ -343,9 +368,11 @@ static int mtk_i2c_set_speed(struct mtk_i2c *i2c, unsigned int clk_src_in_hz) +@@ -343,9 +368,11 @@ static int mtk_i2c_set_speed(struct mtk_ return 0; } @@ -104,7 +102,7 @@ index faecf7e..c501421 100644 u16 control_reg; dma_addr_t rpaddr = 0; dma_addr_t wpaddr = 0; -@@ -361,6 +388,8 @@ static int mtk_i2c_do_transfer(struct mtk_i2c *i2c, struct i2c_msg *msgs) +@@ -361,6 +388,8 @@ static int mtk_i2c_do_transfer(struct mt control_reg |= I2C_CONTROL_RS; if (i2c->op == I2C_MASTER_WRRD) control_reg |= I2C_CONTROL_DIR_CHANGE | I2C_CONTROL_RS; @@ -113,7 +111,7 @@ index faecf7e..c501421 100644 mtk_i2c_writew(control_reg, i2c, OFFSET_CONTROL); /* set start condition */ -@@ -375,13 +404,13 @@ static int mtk_i2c_do_transfer(struct mtk_i2c *i2c, struct i2c_msg *msgs) +@@ -375,13 +404,13 @@ static int mtk_i2c_do_transfer(struct mt mtk_i2c_writew(addr_reg, i2c, OFFSET_SLAVE_ADDR); /* Clear interrupt status */ @@ -131,7 +129,7 @@ index faecf7e..c501421 100644 /* Set transfer and transaction len */ if (i2c->op == I2C_MASTER_WRRD) { -@@ -390,7 +419,7 @@ static int mtk_i2c_do_transfer(struct mtk_i2c *i2c, struct i2c_msg *msgs) +@@ -390,7 +419,7 @@ static int mtk_i2c_do_transfer(struct mt mtk_i2c_writew(I2C_WRRD_TRANAC_VALUE, i2c, OFFSET_TRANSAC_LEN); } else { mtk_i2c_writew(msgs->len, i2c, OFFSET_TRANSFER_LEN); @@ -140,7 +138,7 @@ index faecf7e..c501421 100644 } /* Prepare buffer data to start transfer */ -@@ -436,13 +465,23 @@ static int mtk_i2c_do_transfer(struct mtk_i2c *i2c, struct i2c_msg *msgs) +@@ -436,13 +465,23 @@ static int mtk_i2c_do_transfer(struct mt /* flush before sending start */ mb(); mtk_i2c_writel_dma(I2C_DMA_START_EN, i2c, OFFSET_EN); @@ -166,7 +164,7 @@ index faecf7e..c501421 100644 | I2C_TRANSAC_COMP), i2c, OFFSET_INTR_MASK); if (i2c->op == I2C_MASTER_WR) { -@@ -472,6 +511,10 @@ static int mtk_i2c_do_transfer(struct mtk_i2c *i2c, struct i2c_msg *msgs) +@@ -472,6 +511,10 @@ static int mtk_i2c_do_transfer(struct mt return -EREMOTEIO; } @@ -177,7 +175,7 @@ index faecf7e..c501421 100644 return 0; } -@@ -486,28 +529,33 @@ static int mtk_i2c_transfer(struct i2c_adapter *adap, +@@ -486,28 +529,33 @@ static int mtk_i2c_transfer(struct i2c_a if (ret) return ret; @@ -230,7 +228,7 @@ index faecf7e..c501421 100644 /* the return value is number of executed messages */ ret = num; -@@ -521,7 +569,7 @@ static irqreturn_t mtk_i2c_irq(int irqno, void *dev_id) +@@ -521,7 +569,7 @@ static irqreturn_t mtk_i2c_irq(int irqno struct mtk_i2c *i2c = dev_id; i2c->irq_stat = mtk_i2c_readw(i2c, OFFSET_INTR_STAT); @@ -239,6 +237,3 @@ index faecf7e..c501421 100644 | I2C_TRANSAC_COMP, i2c, OFFSET_INTR_STAT); complete(&i2c->msg_complete); --- -1.7.10.4 - |