diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.14/804-i2c-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.14/804-i2c-support-layerscape.patch | 48 |
1 files changed, 15 insertions, 33 deletions
diff --git a/target/linux/layerscape/patches-4.14/804-i2c-support-layerscape.patch b/target/linux/layerscape/patches-4.14/804-i2c-support-layerscape.patch index 31c686d561..d85f9d1c5f 100644 --- a/target/linux/layerscape/patches-4.14/804-i2c-support-layerscape.patch +++ b/target/linux/layerscape/patches-4.14/804-i2c-support-layerscape.patch @@ -84,7 +84,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> /* * sorted list of clock divider, register value pairs * taken from table 26-5, p.26-9, Freescale i.MX -@@ -210,6 +263,12 @@ struct imx_i2c_struct { +@@ -211,6 +264,12 @@ struct imx_i2c_struct { struct pinctrl_state *pinctrl_pins_gpio; struct imx_i2c_dma *dma; @@ -97,7 +97,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> }; static const struct imx_i2c_hwdata imx1_i2c_hwdata = { -@@ -281,8 +340,8 @@ static inline unsigned char imx_i2c_read +@@ -282,8 +341,8 @@ static inline unsigned char imx_i2c_read } /* Functions for DMA support */ @@ -108,7 +108,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> { struct imx_i2c_dma *dma; struct dma_slave_config dma_sconfig; -@@ -291,11 +350,13 @@ static void i2c_imx_dma_request(struct i +@@ -292,11 +351,13 @@ static void i2c_imx_dma_request(struct i dma = devm_kzalloc(dev, sizeof(*dma), GFP_KERNEL); if (!dma) @@ -126,7 +126,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> goto fail_al; } -@@ -306,13 +367,15 @@ static void i2c_imx_dma_request(struct i +@@ -307,13 +368,15 @@ static void i2c_imx_dma_request(struct i dma_sconfig.direction = DMA_MEM_TO_DEV; ret = dmaengine_slave_config(dma->chan_tx, &dma_sconfig); if (ret < 0) { @@ -146,7 +146,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> goto fail_tx; } -@@ -323,7 +386,7 @@ static void i2c_imx_dma_request(struct i +@@ -324,7 +387,7 @@ static void i2c_imx_dma_request(struct i dma_sconfig.direction = DMA_DEV_TO_MEM; ret = dmaengine_slave_config(dma->chan_rx, &dma_sconfig); if (ret < 0) { @@ -155,7 +155,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> goto fail_rx; } -@@ -332,7 +395,7 @@ static void i2c_imx_dma_request(struct i +@@ -333,7 +396,7 @@ static void i2c_imx_dma_request(struct i dev_info(dev, "using %s (tx) and %s (rx) for DMA transfers\n", dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); @@ -164,7 +164,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> fail_rx: dma_release_channel(dma->chan_rx); -@@ -340,7 +403,8 @@ fail_tx: +@@ -341,7 +404,8 @@ fail_tx: dma_release_channel(dma->chan_tx); fail_al: devm_kfree(dev, dma); @@ -174,7 +174,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> } static void i2c_imx_dma_callback(void *arg) -@@ -878,6 +942,78 @@ static int i2c_imx_read(struct imx_i2c_s +@@ -890,6 +954,78 @@ static int i2c_imx_read(struct imx_i2c_s return 0; } @@ -253,7 +253,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> static int i2c_imx_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, int num) { -@@ -888,6 +1024,19 @@ static int i2c_imx_xfer(struct i2c_adapt +@@ -900,6 +1036,19 @@ static int i2c_imx_xfer(struct i2c_adapt dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__); @@ -273,7 +273,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> result = pm_runtime_get_sync(i2c_imx->adapter.dev.parent); if (result < 0) goto out; -@@ -1030,6 +1179,50 @@ static int i2c_imx_init_recovery_info(st +@@ -1042,6 +1191,50 @@ static int i2c_imx_init_recovery_info(st return 0; } @@ -324,7 +324,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> static u32 i2c_imx_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL -@@ -1085,6 +1278,11 @@ static int i2c_imx_probe(struct platform +@@ -1097,6 +1290,11 @@ static int i2c_imx_probe(struct platform i2c_imx->adapter.dev.of_node = pdev->dev.of_node; i2c_imx->base = base; @@ -336,17 +336,7 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> /* Get I2C clock */ i2c_imx->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(i2c_imx->clk)) { -@@ -1104,7 +1302,8 @@ static int i2c_imx_probe(struct platform - pdev->name, i2c_imx); - if (ret) { - dev_err(&pdev->dev, "can't claim irq %d\n", irq); -- goto clk_disable; -+ clk_disable_unprepare(i2c_imx->clk); -+ return ret; - } - - /* Init queue */ -@@ -1151,25 +1350,31 @@ static int i2c_imx_probe(struct platform +@@ -1166,17 +1364,25 @@ static int i2c_imx_probe(struct platform pm_runtime_mark_last_busy(&pdev->dev); pm_runtime_put_autosuspend(&pdev->dev); @@ -373,17 +363,9 @@ Signed-off-by: Zhang Ying-22455 <ying.zhang22455@nxp.com> +del_adapter: + i2c_del_adapter(&i2c_imx->adapter); - rpm_disable: - pm_runtime_put_noidle(&pdev->dev); - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); - pm_runtime_dont_use_autosuspend(&pdev->dev); - --clk_disable: -- clk_disable_unprepare(i2c_imx->clk); - return ret; - } - + clk_notifier_unregister: + clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb); + free_irq(irq, i2c_imx); --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -85,6 +85,7 @@ struct pca954x { |