diff options
Diffstat (limited to 'drivers/i2c')
32 files changed, 47 insertions, 11 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index e8d568c3fb0..a39e6cff86e 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -24,7 +24,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/sched.h> diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c index 6b6bd06202b..5eebf562ff3 100644 --- a/drivers/i2c/algos/i2c-algo-pcf.c +++ b/drivers/i2c/algos/i2c-algo-pcf.c @@ -29,7 +29,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/i2c.h> diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c index d0dc970d737..2fbef27b6cd 100644 --- a/drivers/i2c/busses/i2c-amd8111.c +++ b/drivers/i2c/busses/i2c-amd8111.c @@ -17,6 +17,7 @@ #include <linux/i2c.h> #include <linux/delay.h> #include <linux/acpi.h> +#include <linux/slab.h> #include <asm/io.h> MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index fe3fb567317..f1e14dd590c 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/i2c.h> +#include <linux/slab.h> #include <linux/io.h> #include <linux/mm.h> #include <linux/timer.h> diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index c89687a1083..4523364e672 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/hardware.h> diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c index 3e72b69aa7f..b664ed8bbdb 100644 --- a/drivers/i2c/busses/i2c-designware.c +++ b/drivers/i2c/busses/i2c-designware.c @@ -36,6 +36,7 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> /* * Registers offset diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c index 448b4bf35eb..612255614a6 100644 --- a/drivers/i2c/busses/i2c-elektor.c +++ b/drivers/i2c/busses/i2c-elektor.c @@ -29,7 +29,6 @@ #include <linux/ioport.h> #include <linux/module.h> #include <linux/delay.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/pci.h> diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c index 32104eac8d3..c21077d248a 100644 --- a/drivers/i2c/busses/i2c-gpio.c +++ b/drivers/i2c/busses/i2c-gpio.c @@ -12,6 +12,7 @@ #include <linux/i2c-gpio.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/platform_device.h> #include <asm/gpio.h> diff --git a/drivers/i2c/busses/i2c-highlander.c b/drivers/i2c/busses/i2c-highlander.c index 87ecace415d..ce87a902c94 100644 --- a/drivers/i2c/busses/i2c-highlander.c +++ b/drivers/i2c/busses/i2c-highlander.c @@ -19,6 +19,7 @@ #include <linux/completion.h> #include <linux/io.h> #include <linux/delay.h> +#include <linux/slab.h> #define SMCR 0x00 #define SMCR_START (1 << 0) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 32375bddae7..d1ff9408dc1 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -47,6 +47,7 @@ #include <linux/sched.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/slab.h> #include <mach/irqs.h> #include <mach/hardware.h> @@ -145,10 +146,10 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy) "<%s> I2C Interrupted\n", __func__); return -EINTR; } - if (time_after(jiffies, orig_jiffies + HZ / 1000)) { + if (time_after(jiffies, orig_jiffies + msecs_to_jiffies(500))) { dev_dbg(&i2c_imx->adapter.dev, "<%s> I2C bus is busy\n", __func__); - return -EIO; + return -ETIMEDOUT; } schedule(); } @@ -443,6 +444,8 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter, result = i2c_imx_read(i2c_imx, &msgs[i]); else result = i2c_imx_write(i2c_imx, &msgs[i]); + if (result) + goto fail0; } fail0: diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c index c016f7a2c5f..5d8aed5ec21 100644 --- a/drivers/i2c/busses/i2c-ixp2000.c +++ b/drivers/i2c/busses/i2c-ixp2000.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> +#include <linux/slab.h> #include <mach/hardware.h> /* Pick up IXP2000-specific bits */ #include <mach/gpio.h> diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 78a15af3294..f1321f76378 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/of_platform.h> #include <linux/of_i2c.h> +#include <linux/slab.h> #include <linux/io.h> #include <linux/fsl_devices.h> diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index ed387ffa473..3623a449908 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -10,6 +10,7 @@ * or implied. */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/module.h> #include <linux/spinlock.h> #include <linux/i2c.h> diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index 4a700587ef1..4a48dd4ef78 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -56,6 +56,7 @@ #include <linux/delay.h> #include <linux/dmi.h> #include <linux/acpi.h> +#include <linux/slab.h> #include <asm/io.h> MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index a15f731fa45..a4f8d33fa38 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/err.h> diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index 0dabe643ec5..b4ed4ca802e 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -18,6 +18,7 @@ #include <linux/interrupt.h> #include <linux/wait.h> #include <linux/i2c-ocores.h> +#include <linux/slab.h> #include <asm/io.h> struct ocores_i2c { diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c index 60375504fa4..a2481f40ea1 100644 --- a/drivers/i2c/busses/i2c-octeon.c +++ b/drivers/i2c/busses/i2c-octeon.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/io.h> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index c7c237537f8..389ac6032a7 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -37,6 +37,7 @@ #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> /* I2C controller revisions */ #define OMAP_I2C_REV_2 0x20 @@ -902,6 +903,11 @@ omap_i2c_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dev); + if (cpu_is_omap7xx()) + dev->reg_shift = 1; + else + dev->reg_shift = 2; + if ((r = omap_i2c_get_clocks(dev)) != 0) goto err_iounmap; @@ -925,11 +931,6 @@ omap_i2c_probe(struct platform_device *pdev) dev->b_hw = 1; /* Enable hardware fixes */ } - if (cpu_is_omap7xx()) - dev->reg_shift = 1; - else - dev->reg_shift = 2; - /* reset ASAP, clearing any IRQs */ omap_i2c_init(dev); diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index 220fca7f23a..846583ed476 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c @@ -32,6 +32,7 @@ #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/i2c-smbus.h> +#include <linux/slab.h> #include "i2c-parport.h" /* ----- Device list ------------------------------------------------------ */ diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c index 0d20ff46a51..d3d4a4b43a1 100644 --- a/drivers/i2c/busses/i2c-pasemi.c +++ b/drivers/i2c/busses/i2c-pasemi.c @@ -24,6 +24,7 @@ #include <linux/sched.h> #include <linux/i2c.h> #include <linux/delay.h> +#include <linux/slab.h> #include <asm/io.h> static struct pci_driver pasemi_smb_driver; diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 9532dee6b58..a97e3fec814 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -22,6 +22,7 @@ #include <linux/io.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <mach/i2c.h> @@ -172,6 +173,9 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data) /* We still have something to talk about... */ val = *alg_data->mif.buf++; + if (alg_data->mif.len == 1) + val |= stop_bit; + alg_data->mif.len--; iowrite32(val, I2C_REG_TX(alg_data)); @@ -245,6 +249,9 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) __func__); if (alg_data->mif.len == 1) { + /* Last byte, do not acknowledge next rcv. */ + val |= stop_bit; + /* * Enable interrupt RFDAIE (data in Rx fifo), * and disable DRMIE (need data for Tx) @@ -632,6 +639,8 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev) */ tmp = ((freq / 1000) / I2C_PNX_SPEED_KHZ) / 2 - 2; + if (tmp > 0x3FF) + tmp = 0x3FF; iowrite32(tmp, I2C_REG_CKH(alg_data)); iowrite32(tmp, I2C_REG_CKL(alg_data)); diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 90ffbf6f9d4..14d249f5ed3 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -33,6 +33,7 @@ #include <linux/platform_device.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/slab.h> #include <asm/irq.h> #include <asm/io.h> diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 1d8c98613fa..d27072b2249 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -34,6 +34,7 @@ #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/cpufreq.h> +#include <linux/slab.h> #include <asm/irq.h> #include <asm/io.h> diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index ccc46418ef7..ffb405d7c6f 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -31,6 +31,7 @@ #include <linux/pm_runtime.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> /* Transmit operation: */ /* */ diff --git a/drivers/i2c/busses/i2c-simtec.c b/drivers/i2c/busses/i2c-simtec.c index 6407f47bda8..78b06107342 100644 --- a/drivers/i2c/busses/i2c-simtec.c +++ b/drivers/i2c/busses/i2c-simtec.c @@ -23,6 +23,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index d2728a28a8d..495be451d32 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -16,6 +16,7 @@ #include <linux/interrupt.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> /* the name of this kernel module */ #define NAME "stu300" @@ -497,7 +498,7 @@ static int stu300_set_clk(struct stu300_dev *dev, unsigned long clkrate) int i = 0; /* Locate the apropriate clock setting */ - while (i < ARRAY_SIZE(stu300_clktable) && + while (i < ARRAY_SIZE(stu300_clktable) - 1 && stu300_clktable[i].rate < clkrate) i++; diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c index b5b1bbf37d3..d03b04002f0 100644 --- a/drivers/i2c/busses/i2c-tiny-usb.c +++ b/drivers/i2c/busses/i2c-tiny-usb.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/types.h> /* include interfaces to usb layer */ diff --git a/drivers/i2c/busses/i2c-versatile.c b/drivers/i2c/busses/i2c-versatile.c index 70de8216346..5c473833d94 100644 --- a/drivers/i2c/busses/i2c-versatile.c +++ b/drivers/i2c/busses/i2c-versatile.c @@ -14,6 +14,7 @@ #include <linux/i2c-algo-bit.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <asm/io.h> diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index f0ef8da6c55..a9c419e075a 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -39,6 +39,7 @@ #include <linux/wait.h> #include <linux/i2c-xiic.h> #include <linux/io.h> +#include <linux/slab.h> #define DRIVER_NAME "xiic-i2c" diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index cf994bd01d9..684395b6f3e 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -31,6 +31,7 @@ #include <linux/pci.h> #include <linux/delay.h> #include <linux/mutex.h> +#include <linux/slab.h> #include <asm/io.h> #include <linux/scx200.h> diff --git a/drivers/i2c/i2c-boardinfo.c b/drivers/i2c/i2c-boardinfo.c index a26a34a0664..7e6a63b5716 100644 --- a/drivers/i2c/i2c-boardinfo.c +++ b/drivers/i2c/i2c-boardinfo.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/i2c.h> +#include <linux/slab.h> #include <linux/rwsem.h> #include "i2c-core.h" diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index 7a8201ed218..a24e0bfe920 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -26,6 +26,7 @@ #include <linux/workqueue.h> #include <linux/i2c.h> #include <linux/i2c-smbus.h> +#include <linux/slab.h> struct i2c_smbus_alert { unsigned int alert_edge_triggered:1; 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