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-rw-r--r--drivers/i2c/Kconfig18
-rw-r--r--drivers/i2c/Makefile5
-rw-r--r--drivers/i2c/busses/Kconfig46
-rw-r--r--drivers/i2c/busses/Makefile2
-rw-r--r--drivers/i2c/busses/i2c-at91.c6
-rw-r--r--drivers/i2c/busses/i2c-bcm2835.c2
-rw-r--r--drivers/i2c/busses/i2c-bfin-twi.c2
-rw-r--r--drivers/i2c/busses/i2c-davinci.c2
-rw-r--r--drivers/i2c/busses/i2c-designware-pcidrv.c9
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c3
-rw-r--r--drivers/i2c/busses/i2c-efm32.c8
-rw-r--r--drivers/i2c/busses/i2c-exynos5.c16
-rw-r--r--drivers/i2c/busses/i2c-gpio.c2
-rw-r--r--drivers/i2c/busses/i2c-i801.c139
-rw-r--r--drivers/i2c/busses/i2c-imx.c5
-rw-r--r--drivers/i2c/busses/i2c-mpc.c3
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c2
-rw-r--r--drivers/i2c/busses/i2c-nomadik.c8
-rw-r--r--drivers/i2c/busses/i2c-ocores.c12
-rw-r--r--drivers/i2c/busses/i2c-omap.c2
-rw-r--r--drivers/i2c/busses/i2c-qup.c12
-rw-r--r--drivers/i2c/busses/i2c-rcar.c14
-rw-r--r--drivers/i2c/busses/i2c-rk3x.c2
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c16
-rw-r--r--drivers/i2c/busses/i2c-s6000.c404
-rw-r--r--drivers/i2c/busses/i2c-s6000.h79
-rw-r--r--drivers/i2c/busses/i2c-sirf.c2
-rw-r--r--drivers/i2c/busses/i2c-st.c34
-rw-r--r--drivers/i2c/busses/i2c-stu300.c2
-rw-r--r--drivers/i2c/busses/i2c-taos-evm.c13
-rw-r--r--drivers/i2c/busses/i2c-tegra.c2
-rw-r--r--drivers/i2c/busses/i2c-xiic.c12
-rw-r--r--drivers/i2c/busses/scx200_i2c.c129
-rw-r--r--drivers/i2c/i2c-acpi.c362
-rw-r--r--drivers/i2c/i2c-core.c107
-rw-r--r--drivers/i2c/i2c-stub.c237
-rw-r--r--drivers/i2c/muxes/i2c-mux-pca954x.c15
37 files changed, 810 insertions, 924 deletions
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 7b7ea320a258..3e3b680dc007 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -2,7 +2,9 @@
# I2C subsystem configuration
#
-menuconfig I2C
+menu "I2C support"
+
+config I2C
tristate "I2C support"
select RT_MUTEXES
---help---
@@ -21,6 +23,18 @@ menuconfig I2C
This I2C support can also be built as a module. If so, the module
will be called i2c-core.
+config I2C_ACPI
+ bool "I2C ACPI support"
+ select I2C
+ depends on ACPI
+ default y
+ help
+ Say Y here if you want to enable ACPI I2C support. This includes support
+ for automatic enumeration of I2C slave devices and support for ACPI I2C
+ Operation Regions. Operation Regions allow firmware (BIOS) code to
+ access I2C slave devices, such as smart batteries through an I2C host
+ controller driver.
+
if I2C
config I2C_BOARDINFO
@@ -124,3 +138,5 @@ config I2C_DEBUG_BUS
on.
endif # I2C
+
+endmenu
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 1722f50f2473..a1f590cbb435 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -2,8 +2,11 @@
# Makefile for the i2c core.
#
+i2ccore-y := i2c-core.o
+i2ccore-$(CONFIG_I2C_ACPI) += i2c-acpi.o
+
obj-$(CONFIG_I2C_BOARDINFO) += i2c-boardinfo.o
-obj-$(CONFIG_I2C) += i2c-core.o
+obj-$(CONFIG_I2C) += i2ccore.o
obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o
obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o
obj-$(CONFIG_I2C_MUX) += i2c-mux.o
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 9f7d5859cf65..2ac87fa3058d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -109,6 +109,7 @@ config I2C_I801
Avoton (SOC)
Wellsburg (PCH)
Coleto Creek (PCH)
+ Wildcat Point (PCH)
Wildcat Point-LP (PCH)
BayTrail (SOC)
@@ -465,9 +466,9 @@ config I2C_EG20T
config I2C_EXYNOS5
tristate "Exynos5 high-speed I2C driver"
depends on ARCH_EXYNOS5 && OF
+ default y
help
- Say Y here to include support for high-speed I2C controller in the
- Exynos5 based Samsung SoCs.
+ High-speed I2C controller on Exynos5 based Samsung SoCs.
config I2C_GPIO
tristate "GPIO-based bitbanging I2C"
@@ -700,16 +701,6 @@ config I2C_S3C2410
Say Y here to include support for I2C controller in the
Samsung SoCs.
-config I2C_S6000
- tristate "S6000 I2C support"
- depends on XTENSA_VARIANT_S6000
- help
- This driver supports the on chip I2C device on the
- S6000 xtensa processor family.
-
- To compile this driver as a module, choose M here. The module
- will be called i2c-s6000.
-
config I2C_SH7760
tristate "Renesas SH7760 I2C Controller"
depends on CPU_SUBTYPE_SH7760
@@ -1018,37 +1009,6 @@ config I2C_CROS_EC_TUNNEL
connected there. This will work whatever the interface used to
talk to the EC (SPI, I2C or LPC).
-config SCx200_I2C
- tristate "NatSemi SCx200 I2C using GPIO pins (DEPRECATED)"
- depends on SCx200_GPIO
- select I2C_ALGOBIT
- help
- Enable the use of two GPIO pins of a SCx200 processor as an I2C bus.
-
- If you don't know what to do here, say N.
-
- This support is also available as a module. If so, the module
- will be called scx200_i2c.
-
- This driver is deprecated and will be dropped soon. Use i2c-gpio
- (or scx200_acb) instead.
-
-config SCx200_I2C_SCL
- int "GPIO pin used for SCL"
- depends on SCx200_I2C
- default "12"
- help
- Enter the GPIO pin number used for the SCL signal. This value can
- also be specified with a module parameter.
-
-config SCx200_I2C_SDA
- int "GPIO pin used for SDA"
- depends on SCx200_I2C
- default "13"
- help
- Enter the GPIO pin number used for the SSA signal. This value can
- also be specified with a module parameter.
-
config SCx200_ACB
tristate "Geode ACCESS.bus support"
depends on X86_32 && PCI
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index dd9a7f8e873f..49bf07e5ef4d 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -68,7 +68,6 @@ obj-$(CONFIG_I2C_QUP) += i2c-qup.o
obj-$(CONFIG_I2C_RIIC) += i2c-riic.o
obj-$(CONFIG_I2C_RK3X) += i2c-rk3x.o
obj-$(CONFIG_I2C_S3C2410) += i2c-s3c2410.o
-obj-$(CONFIG_I2C_S6000) += i2c-s6000.o
obj-$(CONFIG_I2C_SH7760) += i2c-sh7760.o
obj-$(CONFIG_I2C_SH_MOBILE) += i2c-sh_mobile.o
obj-$(CONFIG_I2C_SIMTEC) += i2c-simtec.o
@@ -101,6 +100,5 @@ obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o
obj-$(CONFIG_I2C_PCA_ISA) += i2c-pca-isa.o
obj-$(CONFIG_I2C_SIBYTE) += i2c-sibyte.o
obj-$(CONFIG_SCx200_ACB) += scx200_acb.o
-obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o
ccflags-$(CONFIG_I2C_DEBUG_BUS) := -DDEBUG
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index e95f9ba96790..79a68999a696 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -210,7 +210,7 @@ static void at91_twi_write_data_dma_callback(void *data)
struct at91_twi_dev *dev = (struct at91_twi_dev *)data;
dma_unmap_single(dev->dev, sg_dma_address(&dev->dma.sg),
- dev->buf_len, DMA_MEM_TO_DEV);
+ dev->buf_len, DMA_TO_DEVICE);
at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP);
}
@@ -289,7 +289,7 @@ static void at91_twi_read_data_dma_callback(void *data)
struct at91_twi_dev *dev = (struct at91_twi_dev *)data;
dma_unmap_single(dev->dev, sg_dma_address(&dev->dma.sg),
- dev->buf_len, DMA_DEV_TO_MEM);
+ dev->buf_len, DMA_FROM_DEVICE);
/* The last two bytes have to be read without using dma */
dev->buf += dev->buf_len - 2;
@@ -768,7 +768,7 @@ static int at91_twi_probe(struct platform_device *pdev)
snprintf(dev->adapter.name, sizeof(dev->adapter.name), "AT91");
i2c_set_adapdata(&dev->adapter, dev);
dev->adapter.owner = THIS_MODULE;
- dev->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
+ dev->adapter.class = I2C_CLASS_DEPRECATED;
dev->adapter.algo = &at91_twi_algorithm;
dev->adapter.dev.parent = dev->dev;
dev->adapter.nr = pdev->id;
diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 214ff9700efe..4b8ecd0b3661 100644
--- a/drivers/i2c/busses/i2c-bcm2835.c
+++ b/drivers/i2c/busses/i2c-bcm2835.c
@@ -277,7 +277,7 @@ static int bcm2835_i2c_probe(struct platform_device *pdev)
adap = &i2c_dev->adapter;
i2c_set_adapdata(adap, i2c_dev);
adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
+ adap->class = I2C_CLASS_DEPRECATED;
strlcpy(adap->name, "bcm2835 I2C adapter", sizeof(adap->name));
adap->algo = &bcm2835_i2c_algo;
adap->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c
index 3e271e7558d3..067c1615e968 100644
--- a/drivers/i2c/busses/i2c-bfin-twi.c
+++ b/drivers/i2c/busses/i2c-bfin-twi.c
@@ -648,7 +648,7 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev)
strlcpy(p_adap->name, pdev->name, sizeof(p_adap->name));
p_adap->algo = &bfin_twi_algorithm;
p_adap->algo_data = iface;
- p_adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD | I2C_CLASS_DEPRECATED;
+ p_adap->class = I2C_CLASS_DEPRECATED;
p_adap->dev.parent = &pdev->dev;
p_adap->timeout = 5 * HZ;
p_adap->retries = 3;
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 389bc68c55ad..4d9614719128 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -712,7 +712,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
adap = &dev->adapter;
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
+ adap->class = I2C_CLASS_DEPRECATED;
strlcpy(adap->name, "DaVinci I2C adapter", sizeof(adap->name));
adap->algo = &i2c_davinci_algo;
adap->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 3356f7ab9f79..d31d313ab4f7 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -188,6 +188,7 @@ static struct dw_pci_controller dw_pci_controllers[] = {
.scl_sda_cfg = &hsw_config,
},
};
+
static struct i2c_algorithm i2c_dw_algo = {
.master_xfer = i2c_dw_xfer,
.functionality = i2c_dw_func,
@@ -350,6 +351,14 @@ static const struct pci_device_id i2_designware_pci_ids[] = {
/* Haswell */
{ PCI_VDEVICE(INTEL, 0x9c61), haswell },
{ PCI_VDEVICE(INTEL, 0x9c62), haswell },
+ /* Braswell / Cherrytrail */
+ { PCI_VDEVICE(INTEL, 0x22C1), baytrail,},
+ { PCI_VDEVICE(INTEL, 0x22C2), baytrail },
+ { PCI_VDEVICE(INTEL, 0x22C3), baytrail },
+ { PCI_VDEVICE(INTEL, 0x22C4), baytrail },
+ { PCI_VDEVICE(INTEL, 0x22C5), baytrail },
+ { PCI_VDEVICE(INTEL, 0x22C6), baytrail },
+ { PCI_VDEVICE(INTEL, 0x22C7), baytrail },
{ 0,}
};
MODULE_DEVICE_TABLE(pci, i2_designware_pci_ids);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 402ec3970fed..bc8773333155 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -106,6 +106,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
{ "INT3432", 0 },
{ "INT3433", 0 },
{ "80860F41", 0 },
+ { "808622C1", 0 },
{ }
};
MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match);
@@ -202,7 +203,7 @@ static int dw_i2c_probe(struct platform_device *pdev)
adap = &dev->adapter;
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
+ adap->class = I2C_CLASS_DEPRECATED;
strlcpy(adap->name, "Synopsys DesignWare I2C adapter",
sizeof(adap->name));
adap->algo = &i2c_dw_algo;
diff --git a/drivers/i2c/busses/i2c-efm32.c b/drivers/i2c/busses/i2c-efm32.c
index f7eccd682de9..10b8323b08d4 100644
--- a/drivers/i2c/busses/i2c-efm32.c
+++ b/drivers/i2c/busses/i2c-efm32.c
@@ -370,7 +370,13 @@ static int efm32_i2c_probe(struct platform_device *pdev)
return ret;
}
- ret = of_property_read_u32(np, "efm32,location", &location);
+
+ ret = of_property_read_u32(np, "energymicro,location", &location);
+
+ if (ret)
+ /* fall back to wrongly namespaced property */
+ ret = of_property_read_u32(np, "efm32,location", &location);
+
if (!ret) {
dev_dbg(&pdev->dev, "using location %u\n", location);
} else {
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index 63d229202854..28073f1d6d47 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -405,7 +405,6 @@ static irqreturn_t exynos5_i2c_irq(int irqno, void *dev_id)
int_status = readl(i2c->regs + HSI2C_INT_STATUS);
writel(int_status, i2c->regs + HSI2C_INT_STATUS);
- fifo_status = readl(i2c->regs + HSI2C_FIFO_STATUS);
/* handle interrupt related to the transfer status */
if (int_status & HSI2C_INT_I2C) {
@@ -526,7 +525,7 @@ static void exynos5_i2c_message_start(struct exynos5_i2c *i2c, int stop)
if (i2c->msg->flags & I2C_M_RD) {
i2c_ctl |= HSI2C_RXCHON;
- i2c_auto_conf = HSI2C_READ_WRITE;
+ i2c_auto_conf |= HSI2C_READ_WRITE;
trig_lvl = (i2c->msg->len > i2c->variant->fifo_depth) ?
(i2c->variant->fifo_depth * 3 / 4) : i2c->msg->len;
@@ -549,7 +548,6 @@ static void exynos5_i2c_message_start(struct exynos5_i2c *i2c, int stop)
writel(fifo_ctl, i2c->regs + HSI2C_FIFO_CTL);
writel(i2c_ctl, i2c->regs + HSI2C_CTL);
-
/*
* Enable interrupts before starting the transfer so that we don't
* miss any INT_I2C interrupts.
@@ -789,8 +787,16 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
}
#endif
-static SIMPLE_DEV_PM_OPS(exynos5_i2c_dev_pm_ops, exynos5_i2c_suspend_noirq,
- exynos5_i2c_resume_noirq);
+static const struct dev_pm_ops exynos5_i2c_dev_pm_ops = {
+#ifdef CONFIG_PM_SLEEP
+ .suspend_noirq = exynos5_i2c_suspend_noirq,
+ .resume_noirq = exynos5_i2c_resume_noirq,
+ .freeze_noirq = exynos5_i2c_suspend_noirq,
+ .thaw_noirq = exynos5_i2c_resume_noirq,
+ .poweroff_noirq = exynos5_i2c_suspend_noirq,
+ .restore_noirq = exynos5_i2c_resume_noirq,
+#endif
+};
static struct platform_driver exynos5_i2c_driver = {
.probe = exynos5_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 71a45b210a24..933f1e453e41 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -238,12 +238,10 @@ static int i2c_gpio_probe(struct platform_device *pdev)
static int i2c_gpio_remove(struct platform_device *pdev)
{
struct i2c_gpio_private_data *priv;
- struct i2c_gpio_platform_data *pdata;
struct i2c_adapter *adap;
priv = platform_get_drvdata(pdev);
adap = &priv->adap;
- pdata = &priv->pdata;
i2c_del_adapter(adap);
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 6777cd6f8776..2994690b26e9 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -22,57 +22,58 @@
*/
/*
- Supports the following Intel I/O Controller Hubs (ICH):
-
- I/O Block I2C
- region SMBus Block proc. block
- Chip name PCI ID size PEC buffer call read
- ----------------------------------------------------------------------
- 82801AA (ICH) 0x2413 16 no no no no
- 82801AB (ICH0) 0x2423 16 no no no no
- 82801BA (ICH2) 0x2443 16 no no no no
- 82801CA (ICH3) 0x2483 32 soft no no no
- 82801DB (ICH4) 0x24c3 32 hard yes no no
- 82801E (ICH5) 0x24d3 32 hard yes yes yes
- 6300ESB 0x25a4 32 hard yes yes yes
- 82801F (ICH6) 0x266a 32 hard yes yes yes
- 6310ESB/6320ESB 0x269b 32 hard yes yes yes
- 82801G (ICH7) 0x27da 32 hard yes yes yes
- 82801H (ICH8) 0x283e 32 hard yes yes yes
- 82801I (ICH9) 0x2930 32 hard yes yes yes
- EP80579 (Tolapai) 0x5032 32 hard yes yes yes
- ICH10 0x3a30 32 hard yes yes yes
- ICH10 0x3a60 32 hard yes yes yes
- 5/3400 Series (PCH) 0x3b30 32 hard yes yes yes
- 6 Series (PCH) 0x1c22 32 hard yes yes yes
- Patsburg (PCH) 0x1d22 32 hard yes yes yes
- Patsburg (PCH) IDF 0x1d70 32 hard yes yes yes
- Patsburg (PCH) IDF 0x1d71 32 hard yes yes yes
- Patsburg (PCH) IDF 0x1d72 32 hard yes yes yes
- DH89xxCC (PCH) 0x2330 32 hard yes yes yes
- Panther Point (PCH) 0x1e22 32 hard yes yes yes
- Lynx Point (PCH) 0x8c22 32 hard yes yes yes
- Lynx Point-LP (PCH) 0x9c22 32 hard yes yes yes
- Avoton (SOC) 0x1f3c 32 hard yes yes yes
- Wellsburg (PCH) 0x8d22 32 hard yes yes yes
- Wellsburg (PCH) MS 0x8d7d 32 hard yes yes yes
- Wellsburg (PCH) MS 0x8d7e 32 hard yes yes yes
- Wellsburg (PCH) MS 0x8d7f 32 hard yes yes yes
- Coleto Creek (PCH) 0x23b0 32 hard yes yes yes
- Wildcat Point-LP (PCH) 0x9ca2 32 hard yes yes yes
- BayTrail (SOC) 0x0f12 32 hard yes yes yes
-
- Features supported by this driver:
- Software PEC no
- Hardware PEC yes
- Block buffer yes
- Block process call transaction no
- I2C block read transaction yes (doesn't use the block buffer)
- Slave mode no
- Interrupt processing yes
-
- See the file Documentation/i2c/busses/i2c-i801 for details.
-*/
+ * Supports the following Intel I/O Controller Hubs (ICH):
+ *
+ * I/O Block I2C
+ * region SMBus Block proc. block
+ * Chip name PCI ID size PEC buffer call read
+ * ---------------------------------------------------------------------------
+ * 82801AA (ICH) 0x2413 16 no no no no
+ * 82801AB (ICH0) 0x2423 16 no no no no
+ * 82801BA (ICH2) 0x2443 16 no no no no
+ * 82801CA (ICH3) 0x2483 32 soft no no no
+ * 82801DB (ICH4) 0x24c3 32 hard yes no no
+ * 82801E (ICH5) 0x24d3 32 hard yes yes yes
+ * 6300ESB 0x25a4 32 hard yes yes yes
+ * 82801F (ICH6) 0x266a 32 hard yes yes yes
+ * 6310ESB/6320ESB 0x269b 32 hard yes yes yes
+ * 82801G (ICH7) 0x27da 32 hard yes yes yes
+ * 82801H (ICH8) 0x283e 32 hard yes yes yes
+ * 82801I (ICH9) 0x2930 32 hard yes yes yes
+ * EP80579 (Tolapai) 0x5032 32 hard yes yes yes
+ * ICH10 0x3a30 32 hard yes yes yes
+ * ICH10 0x3a60 32 hard yes yes yes
+ * 5/3400 Series (PCH) 0x3b30 32 hard yes yes yes
+ * 6 Series (PCH) 0x1c22 32 hard yes yes yes
+ * Patsburg (PCH) 0x1d22 32 hard yes yes yes
+ * Patsburg (PCH) IDF 0x1d70 32 hard yes yes yes
+ * Patsburg (PCH) IDF 0x1d71 32 hard yes yes yes
+ * Patsburg (PCH) IDF 0x1d72 32 hard yes yes yes
+ * DH89xxCC (PCH) 0x2330 32 hard yes yes yes
+ * Panther Point (PCH) 0x1e22 32 hard yes yes yes
+ * Lynx Point (PCH) 0x8c22 32 hard yes yes yes
+ * Lynx Point-LP (PCH) 0x9c22 32 hard yes yes yes
+ * Avoton (SOC) 0x1f3c 32 hard yes yes yes
+ * Wellsburg (PCH) 0x8d22 32 hard yes yes yes
+ * Wellsburg (PCH) MS 0x8d7d 32 hard yes yes yes
+ * Wellsburg (PCH) MS 0x8d7e 32 hard yes yes yes
+ * Wellsburg (PCH) MS 0x8d7f 32 hard yes yes yes
+ * Coleto Creek (PCH) 0x23b0 32 hard yes yes yes
+ * Wildcat Point (PCH) 0x8ca2 32 hard yes yes yes
+ * Wildcat Point-LP (PCH) 0x9ca2 32 hard yes yes yes
+ * BayTrail (SOC) 0x0f12 32 hard yes yes yes
+ *
+ * Features supported by this driver:
+ * Software PEC no
+ * Hardware PEC yes
+ * Block buffer yes
+ * Block process call transaction no
+ * I2C block read transaction yes (doesn't use the block buffer)
+ * Slave mode no
+ * Interrupt processing yes
+ *
+ * See the file Documentation/i2c/busses/i2c-i801 for details.
+ */
#include <linux/interrupt.h>
#include <linux/module.h>
@@ -162,24 +163,25 @@
STATUS_ERROR_FLAGS)
/* Older devices have their ID defined in <linux/pci_ids.h> */
-#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS 0x0f12
-#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS 0x1c22
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS 0x1d22
+#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS 0x0f12
+#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS 0x1c22
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS 0x1d22
/* Patsburg also has three 'Integrated Device Function' SMBus controllers */
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0 0x1d70
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1 0x1d71
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2 0x1d72
-#define PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS 0x1e22
-#define PCI_DEVICE_ID_INTEL_AVOTON_SMBUS 0x1f3c
-#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330
-#define PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS 0x23b0
-#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30
-#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
-#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS 0x8d22
-#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0 0x8d7d
-#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1 0x8d7e
-#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2 0x8d7f
-#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS 0x9c22
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0 0x1d70
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1 0x1d71
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2 0x1d72
+#define PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS 0x1e22
+#define PCI_DEVICE_ID_INTEL_AVOTON_SMBUS 0x1f3c
+#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330
+#define PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS 0x23b0
+#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22
+#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS 0x8ca2
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS 0x8d22
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0 0x8d7d
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1 0x8d7e
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2 0x8d7f
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS 0x9c22
#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS 0x9ca2
struct i801_mux_config {
@@ -823,6 +825,7 @@ static const struct pci_device_id i801_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS) },
{ 0, }
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index aa8bc146718b..613069bc561a 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -735,10 +735,7 @@ static int i2c_imx_probe(struct platform_device *pdev)
clk_disable_unprepare(i2c_imx->clk);
dev_dbg(&i2c_imx->adapter.dev, "claimed irq %d\n", irq);
- dev_dbg(&i2c_imx->adapter.dev, "device resources from 0x%x to 0x%x\n",
- res->start, res->end);
- dev_dbg(&i2c_imx->adapter.dev, "allocated %d bytes at 0x%x\n",
- resource_size(res), res->start);
+ dev_dbg(&i2c_imx->adapter.dev, "device resources: %pR\n", res);
dev_dbg(&i2c_imx->adapter.dev, "adapter name: \"%s\"\n",
i2c_imx->adapter.name);
dev_info(&i2c_imx->adapter.dev, "IMX I2C adapter registered\n");
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 6a32aa095f83..0edf630b099a 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -341,8 +341,7 @@ static u32 mpc_i2c_get_sec_cfg_8xxx(void)
iounmap(reg);
}
}
- if (node)
- of_node_put(node);
+ of_node_put(node);
return val;
}
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 9f4b775e2e39..6dc5ded86f62 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -863,7 +863,7 @@ mv64xxx_i2c_probe(struct platform_device *pd)
drv_data->adapter.dev.parent = &pd->dev;
drv_data->adapter.algo = &mv64xxx_i2c_algo;
drv_data->adapter.owner = THIS_MODULE;
- drv_data->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD | I2C_CLASS_DEPRECATED;
+ drv_data->adapter.class = I2C_CLASS_DEPRECATED;
drv_data->adapter.nr = pd->id;
drv_data->adapter.dev.of_node = pd->dev.of_node;
platform_set_drvdata(pd, drv_data);
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 0e55d85fd4ed..9ad038d223c4 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -1032,10 +1032,10 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
adap = &dev->adap;
adap->dev.of_node = np;
adap->dev.parent = &adev->dev;
- adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD | I2C_CLASS_DEPRECATED;
- adap->algo = &nmk_i2c_algo;
- adap->timeout = msecs_to_jiffies(dev->timeout);
+ adap->owner = THIS_MODULE;
+ adap->class = I2C_CLASS_DEPRECATED;
+ adap->algo = &nmk_i2c_algo;
+ adap->timeout = msecs_to_jiffies(dev->timeout);
snprintf(adap->name, sizeof(adap->name),
"Nomadik I2C at %pR", &adev->res);
diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
index 0e10cc6182f0..2a4fe0b7cfb7 100644
--- a/drivers/i2c/busses/i2c-ocores.c
+++ b/drivers/i2c/busses/i2c-ocores.c
@@ -239,15 +239,15 @@ static u32 ocores_func(struct i2c_adapter *adap)
}
static const struct i2c_algorithm ocores_algorithm = {
- .master_xfer = ocores_xfer,
- .functionality = ocores_func,
+ .master_xfer = ocores_xfer,
+ .functionality = ocores_func,
};
static struct i2c_adapter ocores_adapter = {
- .owner = THIS_MODULE,
- .name = "i2c-ocores",
- .class = I2C_CLASS_HWMON | I2C_CLASS_SPD | I2C_CLASS_DEPRECATED,
- .algo = &ocores_algorithm,
+ .owner = THIS_MODULE,
+ .name = "i2c-ocores",
+ .class = I2C_CLASS_DEPRECATED,
+ .algo = &ocores_algorithm,
};
static const struct of_device_id ocores_i2c_match[] = {
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index b182793a4051..0dffb0e62c3b 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1236,7 +1236,7 @@ omap_i2c_probe(struct platform_device *pdev)
adap = &dev->adapter;
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
- adap->class = I2C_CLASS_HWMON | I2C_CLASS_DEPRECATED;
+ adap->class = I2C_CLASS_DEPRECATED;
strlcpy(adap->name, "OMAP I2C adapter", sizeof(adap->name));
adap->algo = &omap_i2c_algo;
adap->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index 2a5efb5b487c..3a4d64e1dfb1 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -633,13 +633,17 @@ static int qup_i2c_probe(struct platform_device *pdev)
* associated with each byte written/received
*/
size = QUP_OUTPUT_BLOCK_SIZE(io_mode);
- if (size >= ARRAY_SIZE(blk_sizes))
- return -EIO;
+ if (size >= ARRAY_SIZE(blk_sizes)) {
+ ret = -EIO;
+ goto