Merge tag 'i2c-for-7.1-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Merge commit. Changes below are compared with the first parent: 1e769656.
Changes
24 files changed · +970 −393
Only the first 600 diff lines are shown. Download the complete patch.
Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt
View before deletiondiff --git a/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt b/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt
deleted file mode 100644
index dcc8390..0000000
--- a/Documentation/devicetree/bindings/i2c/i2c-iop3xx.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-i2c Controller on XScale platforms such as IOP3xx and IXP4xx
-
-Required properties:
-- compatible : Must be one of
- "intel,iop3xx-i2c"
- "intel,ixp4xx-i2c";
-- reg
-- #address-cells = <1>;
-- #size-cells = <0>;
-
-Optional properties:
-- Child nodes conforming to i2c bus binding
-
-Example:
-
-i2c@c8011000 {
- compatible = "intel,ixp4xx-i2c";
- reg = <0xc8011000 0x18>;
- interrupts = <33 IRQ_TYPE_LEVEL_LOW>;
-};
Documentation/devicetree/bindings/i2c/intel,ixp4xx-i2c.yaml
View filediff --git a/Documentation/devicetree/bindings/i2c/intel,ixp4xx-i2c.yaml b/Documentation/devicetree/bindings/i2c/intel,ixp4xx-i2c.yaml
new file mode 100644
index 0000000..15ef510
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/intel,ixp4xx-i2c.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/intel,ixp4xx-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: I2c Controller on XScale platforms such as IOP3xx and IXP4xx
+
+maintainers:
+ - Andi Shyti <[email protected]>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - intel,iop3xx-i2c
+ - intel,ixp4xx-i2c
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c@c8011000 {
+ compatible = "intel,ixp4xx-i2c";
+ reg = <0xc8011000 0x18>;
+ interrupts = <33 IRQ_TYPE_LEVEL_LOW>;
+ };
Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
View filediff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
index 399a094..7c497a3 100644
--- a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
@@ -27,6 +27,7 @@ properties:
- items:
- enum:
- qcom,kaanapali-cci
+ - qcom,milos-cci
- qcom,qcm2290-cci
- qcom,qcs8300-cci
- qcom,sa8775p-cci
@@ -34,6 +35,7 @@ properties:
- qcom,sc8280xp-cci
- qcom,sdm670-cci
- qcom,sdm845-cci
+ - qcom,sm6150-cci
- qcom,sm6350-cci
- qcom,sm8250-cci
- qcom,sm8450-cci
@@ -251,6 +253,7 @@ allOf:
contains:
enum:
- qcom,sa8775p-cci
+ - qcom,sm6150-cci
- qcom,sm8550-cci
- qcom,sm8650-cci
- qcom,x1e80100-cci
@@ -265,6 +268,23 @@ allOf:
- const: cpas_ahb
- const: cci
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,milos-cci
+ then:
+ properties:
+ clocks:
+ minItems: 3
+ maxItems: 3
+ clock-names:
+ items:
+ - const: soc_ahb
+ - const: cpas_ahb
+ - const: cci
+
additionalProperties: false
examples:
Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
View filediff --git a/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml b/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
index f9a449f..5873cfd 100644
--- a/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml
@@ -15,6 +15,8 @@ description:
assigned to either I2C controller.
RTL9310 SoCs have equal capabilities but support 12 common SDA lines which
can be assigned to either I2C controller.
+ RTL9607C SoCs have equal capabilities but each controller only supports 1
+ SCL/SDA line.
properties:
compatible:
@@ -34,6 +36,7 @@ properties:
- enum:
- realtek,rtl9301-i2c
- realtek,rtl9310-i2c
+ - realtek,rtl9607-i2c
reg:
items:
@@ -51,6 +54,9 @@ properties:
The SCL line number of this I2C controller.
enum: [ 0, 1 ]
+ clocks:
+ maxItems: 1
+
patternProperties:
'^i2c@[0-9ab]$':
$ref: /schemas/i2c/i2c-controller.yaml
@@ -81,6 +87,15 @@ allOf:
then:
patternProperties:
'^i2c@[89ab]$': false
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: realtek,rtl9607-i2c
+ then:
+ required:
+ - realtek,scl
+ - clocks
required:
- compatible
Documentation/devicetree/bindings/i2c/renesas,riic.yaml
View filediff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
index 6876ead..ae1f71e 100644
--- a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
+++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
@@ -25,6 +25,7 @@ properties:
- items:
- enum:
- renesas,riic-r9a08g045 # RZ/G3S
+ - renesas,riic-r9a08g046 # RZ/G3L
- renesas,riic-r9a09g047 # RZ/G3E
- renesas,riic-r9a09g056 # RZ/V2N
- const: renesas,riic-r9a09g057 # RZ/V2H(P)
Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
View filediff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
index 082fdc2..467bdcb 100644
--- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
@@ -32,8 +32,6 @@ properties:
- const: renesas,r9a06g032-i2c # RZ/N1D
- const: renesas,rzn1-i2c # RZ/N1
- const: snps,designware-i2c
- - description: Baikal-T1 SoC System I2C controller
- const: baikal,bt1-sys-i2c
- description: Mobileye EyeQ DesignWare I2C controller
items:
- enum:
Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
View filediff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
index 5896fb1..8c04c67 100644
--- a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
@@ -14,7 +14,11 @@ allOf:
properties:
compatible:
- const: spacemit,k1-i2c
+ oneOf:
+ - items:
+ - const: spacemit,k3-i2c
+ - const: spacemit,k1-i2c
+ - const: spacemit,k1-i2c
reg:
maxItems: 1
drivers/i2c/busses/Kconfig
View filediff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 7cb6b9b..8c935f8 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -1211,8 +1211,7 @@ config I2C_SYNQUACER
config I2C_TEGRA
tristate "NVIDIA Tegra internal I2C controller"
- depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
- # COMPILE_TEST needs architectures with readsX()/writesX() primitives
+ depends on ARCH_TEGRA || COMPILE_TEST
depends on PINCTRL
# ARCH_TEGRA implies PINCTRL, but the COMPILE_TEST side doesn't.
help
drivers/i2c/busses/i2c-cp2615.c
View filediff --git a/drivers/i2c/busses/i2c-cp2615.c b/drivers/i2c/busses/i2c-cp2615.c
index 8212875..951de62 100644
--- a/drivers/i2c/busses/i2c-cp2615.c
+++ b/drivers/i2c/busses/i2c-cp2615.c
@@ -270,8 +270,7 @@ static struct i2c_adapter_quirks cp2615_i2c_quirks = {
.max_comb_2nd_msg_len = MAX_I2C_SIZE
};
-static void
-cp2615_i2c_remove(struct usb_interface *usbif)
+static void cp2615_i2c_disconnect(struct usb_interface *usbif)
{
struct i2c_adapter *adap = usb_get_intfdata(usbif);
@@ -328,7 +327,7 @@ MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_driver cp2615_i2c_driver = {
.name = "i2c-cp2615",
.probe = cp2615_i2c_probe,
- .disconnect = cp2615_i2c_remove,
+ .disconnect = cp2615_i2c_disconnect,
.id_table = id_table,
};
drivers/i2c/busses/i2c-designware-platdrv.c
View filediff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 426ffec..3351c4a 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -268,6 +268,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
{ "AMDI0510", 0 },
{ "APMC0D0F", 0 },
{ "FUJI200B", 0 },
+ { "GOOG5000", 0 },
{ "HISI02A1", 0 },
{ "HISI02A2", 0 },
{ "HISI02A3", 0 },
drivers/i2c/busses/i2c-diolan-u2c.c
View filediff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index 077b093..d502f6e 100644
--- a/drivers/i2c/busses/i2c-diolan-u2c.c
+++ b/drivers/i2c/busses/i2c-diolan-u2c.c
@@ -427,12 +427,6 @@ static const struct usb_device_id diolan_u2c_table[] = {
MODULE_DEVICE_TABLE(usb, diolan_u2c_table);
-static void diolan_u2c_free(struct i2c_diolan_u2c *dev)
-{
- usb_put_dev(dev->usb_dev);
- kfree(dev);
-}
-
static int diolan_u2c_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
@@ -453,7 +447,7 @@ static int diolan_u2c_probe(struct usb_interface *interface,
dev->ep_out = hostif->endpoint[0].desc.bEndpointAddress;
dev->ep_in = hostif->endpoint[1].desc.bEndpointAddress;
- dev->usb_dev = usb_get_dev(interface_to_usbdev(interface));
+ dev->usb_dev = interface_to_usbdev(interface);
dev->interface = interface;
/* save our data pointer in this interface device */
@@ -488,7 +482,7 @@ static int diolan_u2c_probe(struct usb_interface *interface,
error_free:
usb_set_intfdata(interface, NULL);
- diolan_u2c_free(dev);
+ kfree(dev);
error:
return ret;
}
@@ -499,7 +493,7 @@ static void diolan_u2c_disconnect(struct usb_interface *interface)
i2c_del_adapter(&dev->adapter);
usb_set_intfdata(interface, NULL);
- diolan_u2c_free(dev);
+ kfree(dev);
dev_dbg(&interface->dev, "disconnected\n");
}
drivers/i2c/busses/i2c-k1.c
View filediff --git a/drivers/i2c/busses/i2c-k1.c b/drivers/i2c/busses/i2c-k1.c
index 6e93da5..9152cf4 100644
--- a/drivers/i2c/busses/i2c-k1.c
+++ b/drivers/i2c/busses/i2c-k1.c
@@ -98,6 +98,10 @@
#define SPACEMIT_BUS_RESET_CLK_CNT_MAX 9
+#define SPACEMIT_WAIT_TIMEOUT 1000 /* ms */
+#define SPACEMIT_POLL_TIMEOUT 1000 /* us */
+#define SPACEMIT_POLL_INTERVAL 30 /* us */
+
enum spacemit_i2c_state {
SPACEMIT_STATE_IDLE,
SPACEMIT_STATE_START,
@@ -126,6 +130,7 @@ struct spacemit_i2c_dev {
enum spacemit_i2c_state state;
bool read;
+ bool use_pio;
struct completion complete;
u32 status;
};
@@ -172,6 +177,14 @@ static int spacemit_i2c_handle_err(struct spacemit_i2c_dev *i2c)
return i2c->status & SPACEMIT_SR_ACKNAK ? -ENXIO : -EIO;
}
+static inline void spacemit_i2c_delay(struct spacemit_i2c_dev *i2c, unsigned int us)
+{
+ if (i2c->use_pio)
+ udelay(us);
+ else
+ fsleep(us);
+}
+
static void spacemit_i2c_conditionally_reset_bus(struct spacemit_i2c_dev *i2c)
{
u32 status;
@@ -183,7 +196,8 @@ static void spacemit_i2c_conditionally_reset_bus(struct spacemit_i2c_dev *i2c)
return;
spacemit_i2c_reset(i2c);
- usleep_range(10, 20);
+
+ spacemit_i2c_delay(i2c, 10);
for (clk_cnt = 0; clk_cnt < SPACEMIT_BUS_RESET_CLK_CNT_MAX; clk_cnt++) {
status = readl(i2c->base + SPACEMIT_IBMR);
@@ -212,9 +226,15 @@ static int spacemit_i2c_wait_bus_idle(struct spacemit_i2c_dev *i2c)
if (!(val & (SPACEMIT_SR_UB | SPACEMIT_SR_IBB)))
return 0;
- ret = readl_poll_timeout(i2c->base + SPACEMIT_ISR,
- val, !(val & (SPACEMIT_SR_UB | SPACEMIT_SR_IBB)),
- 1500, SPACEMIT_I2C_BUS_BUSY_TIMEOUT);
+ if (i2c->use_pio)
+ ret = readl_poll_timeout_atomic(i2c->base + SPACEMIT_ISR,
+ val, !(val & (SPACEMIT_SR_UB | SPACEMIT_SR_IBB)),
+ 1500, SPACEMIT_I2C_BUS_BUSY_TIMEOUT);
+ else
+ ret = readl_poll_timeout(i2c->base + SPACEMIT_ISR,
+ val, !(val & (SPACEMIT_SR_UB | SPACEMIT_SR_IBB)),
+ 1500, SPACEMIT_I2C_BUS_BUSY_TIMEOUT);
+
if (ret)
spacemit_i2c_reset(i2c);
@@ -226,7 +246,7 @@ static void spacemit_i2c_check_bus_release(struct spacemit_i2c_dev *i2c)
/* in case bus is not released after transfer completes */
if (readl(i2c->base + SPACEMIT_ISR) & SPACEMIT_SR_EBB) {
spacemit_i2c_conditionally_reset_bus(i2c);
- usleep_range(90, 150);
+ spacemit_i2c_delay(i2c, 90);
}
}
@@ -238,25 +258,33 @@ spacemit_i2c_clear_int_status(struct spacemit_i2c_dev *i2c, u32 mask)
static void spacemit_i2c_init(struct spacemit_i2c_dev *i2c)
{
- u32 val;
-
- /*
- * Unmask interrupt bits for all xfer mode:
- * bus error, arbitration loss detected.
- * For transaction complete signal, we use master stop
- * interrupt, so we don't need to unmask SPACEMIT_CR_TXDONEIE.
- */
- val = SPACEMIT_CR_BEIE | SPACEMIT_CR_ALDIE;
-
- /*
- * Unmask interrupt bits for interrupt xfer mode:
- * When IDBR receives a byte, an interrupt is triggered.
- *
- * For the tx empty interrupt, it will be enabled in the
- * i2c_start function.
- * Otherwise, it will cause an erroneous empty interrupt before i2c_start.
- */
- val |= SPACEMIT_CR_DRFIE;
+ u32 val = 0;
+
+ if (!i2c->use_pio) {
+ /*
+ * Enable interrupt bits for all xfer mode:
+ * bus error, arbitration loss detected.
+ */
+ val |= SPACEMIT_CR_BEIE | SPACEMIT_CR_ALDIE;
+
+ /*
+ * Unmask interrupt bits for interrupt xfer mode:
+ * When IDBR receives a byte, an interrupt is triggered.
+ *
+ * For the tx empty interrupt, it will be enabled in the
+ * i2c_start().
+ * We don't want a TX empty interrupt until we start
+ * a transfer in i2c_start().
+ */
+ val |= SPACEMIT_CR_DRFIE;
+
+ /*
+ * Enable master stop interrupt bit.
+ * For transaction complete signal, we use master stop
+ * interrupt, so we don't need to unmask SPACEMIT_CR_TXDONEIE.
+ */
+ val |= SPACEMIT_CR_MSDIE;
+ }
if (i2c->clock_freq == SPACEMIT_I2C_MAX_FAST_MODE_FREQ)
val |= SPACEMIT_CR_MODE_FAST;
@@ -268,7 +296,7 @@ static void spacemit_i2c_init(struct spacemit_i2c_dev *i2c)
val |= SPACEMIT_CR_SCLE;
/* enable master stop detected */
- val |= SPACEMIT_CR_MSDE | SPACEMIT_CR_MSDIE;
+ val |= SPACEMIT_CR_MSDE;
writel(val, i2c->base + SPACEMIT_ICR);
@@ -301,39 +329,13 @@ static void spacemit_i2c_start(struct spacemit_i2c_dev *i2c)
/* send start pulse */
val = readl(i2c->base + SPACEMIT_ICR);
val &= ~SPACEMIT_CR_STOP;
- val |= SPACEMIT_CR_START | SPACEMIT_CR_TB | SPACEMIT_CR_DTEIE;
- writel(val, i2c->base + SPACEMIT_ICR);
-}
-
-static int spacemit_i2c_xfer_msg(struct spacemit_i2c_dev *i2c)
-{
- unsigned long time_left;
- struct i2c_msg *msg;
+ val |= SPACEMIT_CR_START | SPACEMIT_CR_TB;
- for (i2c->msg_idx = 0; i2c->msg_idx < i2c->msg_num; i2c->msg_idx++) {
- msg = &i2c->msgs[i2c->msg_idx];
- i2c->msg_buf = msg->buf;
- i2c->unprocessed = msg->len;
- i2c->status = 0;
-
- reinit_completion(&i2c->complete);
-
- spacemit_i2c_start(i2c);
-
- time_left = wait_for_completion_timeout(&i2c->complete,
- i2c->adapt.timeout);
- if (!time_left) {
- dev_err(i2c->dev, "msg completion timeout\n");
- spacemit_i2c_conditionally_reset_bus(i2c);
- spacemit_i2c_reset(i2c);
- return -ETIMEDOUT;
- }
-
- if (i2c->status & SPACEMIT_SR_ERR)
- return spacemit_i2c_handle_err(i2c);
- }
+ /* Enable the TX empty interrupt */
+ if (!i2c->use_pio)
+ val |= SPACEMIT_CR_DTEIE;
- return 0;
+ writel(val, i2c->base + SPACEMIT_ICR);
}
static bool spacemit_i2c_is_last_msg(struct spacemit_i2c_dev *i2c)
@@ -347,8 +349,23 @@ static bool spacemit_i2c_is_last_msg(struct spacemit_i2c_dev *i2c)
return !i2c->unprocessed;
}
+static inline void spacemit_i2c_complete(struct spacemit_i2c_dev *i2c)
+{
+ /* SPACEMIT_STATE_IDLE avoids triggering the next byte */
+ i2c->state = SPACEMIT_STATE_IDLE;
+
+ if (i2c->use_pio)
+ return;
+
+ complete(&i2c->complete);
+}
+
static void spacemit_i2c_handle_write(struct spacemit_i2c_dev *i2c)
{
+ /* If there's no space in the IDBR, we're done */
+ if (!(i2c->status & SPACEMIT_SR_ITE))
+ return;
+
/* if transfer completes, SPACEMIT_ISR will handle it */
if (i2c->status & SPACEMIT_SR_MSD)
return;
@@ -359,16 +376,19 @@ static void spacemit_i2c_handle_write(struct spacemit_i2c_dev *i2c)
return;
}
- /* SPACEMIT_STATE_IDLE avoids trigger next byte */
- i2c->state = SPACEMIT_STATE_IDLE;
- complete(&i2c->complete);
+ spacemit_i2c_complete(i2c);
}
static void spacemit_i2c_handle_read(struct spacemit_i2c_dev *i2c)
{
+ /* If there's nothing in the IDBR, we're done */
+ if (!(i2c->status & SPACEMIT_SR_IRF))
+ return;
+
if (i2c->unprocessed) {
*i2c->msg_buf++ = readl(i2c->base + SPACEMIT_IDBR);
i2c->unprocessed--;
+ return;
}
/* if transfer completes, SPACEMIT_ISR will handle it */
@@ -379,9 +399,7 @@ static void spacemit_i2c_handle_read(struct spacemit_i2c_dev *i2c)
if (i2c->unprocessed)
return;
- /* SPACEMIT_STATE_IDLE avoids trigger next byte */
- i2c->state = SPACEMIT_STATE_IDLE;
- complete(&i2c->complete);
+ spacemit_i2c_complete(i2c);
}
static void spacemit_i2c_handle_start(struct spacemit_i2c_dev *i2c)
@@ -415,29 +433,16 @@ static void spacemit_i2c_err_check(struct spacemit_i2c_dev *i2c)
spacemit_i2c_clear_int_status(i2c, SPACEMIT_I2C_INT_STATUS_MASK);
- i2c->state = SPACEMIT_STATE_IDLE;
- complete(&i2c->complete);
+ spacemit_i2c_complete(i2c);
}
-static irqreturn_t spacemit_i2c_irq_handler(int irq, void *devid)
+static void spacemit_i2c_handle_state(struct spacemit_i2c_dev *i2c)
{
- struct spacemit_i2c_dev *i2c = devid;
- u32 status, val;
-
- status = readl(i2c->base + SPACEMIT_ISR);
- if (!status)
- return IRQ_HANDLED;
-
- i2c->status = status;
-
- spacemit_i2c_clear_int_status(i2c, status);
+ u32 val;
if (i2c->status & SPACEMIT_SR_ERR)
goto err_out;
- val = readl(i2c->base + SPACEMIT_ICR);
- val &= ~(SPACEMIT_CR_TB | SPACEMIT_CR_ACKNAK | SPACEMIT_CR_STOP | SPACEMIT_CR_START);
-
switch (i2c->state) {
case SPACEMIT_STATE_START:
spacemit_i2c_handle_start(i2c);
@@ -453,7 +458,12 @@ static irqreturn_t spacemit_i2c_irq_handler(int irq, void *devid)
}
if (i2c->state != SPACEMIT_STATE_IDLE) {
- val |= SPACEMIT_CR_TB | SPACEMIT_CR_ALDIE;
+ val = readl(i2c->base + SPACEMIT_ICR);
+ val &= ~(SPACEMIT_CR_TB | SPACEMIT_CR_ACKNAK |
+ SPACEMIT_CR_STOP | SPACEMIT_CR_START);
+ val |= SPACEMIT_CR_TB;
+ if (!i2c->use_pio)
+ val |= SPACEMIT_CR_ALDIE;
if (spacemit_i2c_is_last_msg(i2c)) {
/* trigger next byte with stop */
@@ -467,6 +477,133 @@ static irqreturn_t spacemit_i2c_irq_handler(int irq, void *devid)
err_out:
spacemit_i2c_err_check(i2c);
+}
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drivers/i2c/busses/i2c-npcm7xx.c
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drivers/i2c/busses/i2c-ocores.c
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drivers/i2c/busses/i2c-qcom-cci.c
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drivers/i2c/busses/i2c-qcom-geni.c
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drivers/i2c/busses/i2c-robotfuzz-osif.c
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drivers/i2c/busses/i2c-rtl9300.c
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drivers/i2c/busses/i2c-s3c2410.c
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drivers/i2c/busses/i2c-tegra.c
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drivers/i2c/busses/i2c-tiny-usb.c
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drivers/i2c/busses/i2c-usbio.c
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drivers/i2c/busses/i2c-xiic.c
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drivers/i2c/i2c-atr.c
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