From: H Hartley Sweeten Date: Wed, 27 Jun 2012 00:51:53 +0000 (-0700) Subject: staging: comedi: cb_pcidas: remove forward declarations 9 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=536af69e90b03966928ed59448f5ccd95ebd13ea;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git staging: comedi: cb_pcidas: remove forward declarations 9 Move the nvram_read function, and its helper, to remove the need for the last of the forward declarations. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c index 9c7f24aefd36..5c3758c49949 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas.c +++ b/drivers/staging/comedi/drivers/cb_pcidas.c @@ -447,9 +447,6 @@ struct cb_pcidas_private { */ #define devpriv ((struct cb_pcidas_private *)dev->private) -static int nvram_read(struct comedi_device *dev, unsigned int address, - uint8_t *data); - static inline unsigned int cal_enable_bits(struct comedi_device *dev) { return CAL_EN_BIT | CAL_SRC_BITS(devpriv->calibration_source); @@ -617,6 +614,45 @@ static int cb_pcidas_ao_readback_insn(struct comedi_device *dev, return 1; } +static int wait_for_nvram_ready(unsigned long s5933_base_addr) +{ + static const int timeout = 1000; + unsigned int i; + + for (i = 0; i < timeout; i++) { + if ((inb(s5933_base_addr + + AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY) + == 0) + return 0; + udelay(1); + } + return -1; +} + +static int nvram_read(struct comedi_device *dev, unsigned int address, + uint8_t *data) +{ + unsigned long iobase = devpriv->s5933_config; + + if (wait_for_nvram_ready(iobase) < 0) + return -ETIMEDOUT; + + outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_LOW_ADDR, + iobase + AMCC_OP_REG_MCSR_NVCMD); + outb(address & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); + outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_HIGH_ADDR, + iobase + AMCC_OP_REG_MCSR_NVCMD); + outb((address >> 8) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); + outb(MCSR_NV_ENABLE | MCSR_NV_READ, iobase + AMCC_OP_REG_MCSR_NVCMD); + + if (wait_for_nvram_ready(iobase) < 0) + return -ETIMEDOUT; + + *data = inb(iobase + AMCC_OP_REG_MCSR_NVDATA); + + return 0; +} + static int eeprom_read_insn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) @@ -1543,45 +1579,6 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d) return IRQ_HANDLED; } -static int wait_for_nvram_ready(unsigned long s5933_base_addr) -{ - static const int timeout = 1000; - unsigned int i; - - for (i = 0; i < timeout; i++) { - if ((inb(s5933_base_addr + - AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY) - == 0) - return 0; - udelay(1); - } - return -1; -} - -static int nvram_read(struct comedi_device *dev, unsigned int address, - uint8_t *data) -{ - unsigned long iobase = devpriv->s5933_config; - - if (wait_for_nvram_ready(iobase) < 0) - return -ETIMEDOUT; - - outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_LOW_ADDR, - iobase + AMCC_OP_REG_MCSR_NVCMD); - outb(address & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); - outb(MCSR_NV_ENABLE | MCSR_NV_LOAD_HIGH_ADDR, - iobase + AMCC_OP_REG_MCSR_NVCMD); - outb((address >> 8) & 0xff, iobase + AMCC_OP_REG_MCSR_NVDATA); - outb(MCSR_NV_ENABLE | MCSR_NV_READ, iobase + AMCC_OP_REG_MCSR_NVCMD); - - if (wait_for_nvram_ready(iobase) < 0) - return -ETIMEDOUT; - - *data = inb(iobase + AMCC_OP_REG_MCSR_NVDATA); - - return 0; -} - static int cb_pcidas_attach(struct comedi_device *dev, struct comedi_devconfig *it) {