本文整理汇总了C++中clrbits32函数的典型用法代码示例。如果您正苦于以下问题:C++ clrbits32函数的具体用法?C++ clrbits32怎么用?C++ clrbits32使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了clrbits32函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: cpm2_set_pin
void cpm2_set_pin(int port, int pin, int flags)
{
struct cpm2_ioports __iomem *iop =
(struct cpm2_ioports __iomem *)&cpm2_immr->im_ioport;
pin = 1 << (31 - pin);
if (flags & CPM_PIN_OUTPUT)
setbits32(&iop[port].dir, pin);
else
clrbits32(&iop[port].dir, pin);
if (!(flags & CPM_PIN_GPIO))
setbits32(&iop[port].par, pin);
else
clrbits32(&iop[port].par, pin);
if (flags & CPM_PIN_SECONDARY)
setbits32(&iop[port].sor, pin);
else
clrbits32(&iop[port].sor, pin);
if (flags & CPM_PIN_OPENDRAIN)
setbits32(&iop[port].odr, pin);
else
clrbits32(&iop[port].odr, pin);
}
开发者ID:jakev,项目名称:CobraDroidBeta,代码行数:27,代码来源:cpm2.c
示例2: setup_smc2_ioports
static void setup_smc2_ioports(struct fs_uart_platform_info* pdata)
{
immap_t *immap = (immap_t *) IMAP_ADDR;
unsigned *bcsr_io;
unsigned int iobits = 0x00000c00;
bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR1\n");
return;
}
clrbits32(bcsr_io,BCSR1_RS232EN_2);
iounmap(bcsr_io);
#ifndef CONFIG_SERIAL_CPM_ALT_SMC2
setbits32(&immap->im_cpm.cp_pbpar, iobits);
clrbits32(&immap->im_cpm.cp_pbdir, iobits);
clrbits16(&immap->im_cpm.cp_pbodr, iobits);
#else
setbits16(&immap->im_ioport.iop_papar, iobits);
clrbits16(&immap->im_ioport.iop_padir, iobits);
clrbits16(&immap->im_ioport.iop_paodr, iobits);
#endif
}
开发者ID:janrinze,项目名称:loox7xxport,代码行数:28,代码来源:mpc866ads_setup.c
示例3: fsl_ssi_trigger
/**
* fsl_ssi_trigger: start and stop the DMA transfer.
*
* This function is called by ALSA to start, stop, pause, and resume the DMA
* transfer of data.
*
* The DMA channel is in external master start and pause mode, which
* means the SSI completely controls the flow of data.
*/
static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(rtd->cpu_dai);
struct ccsr_ssi __iomem *ssi = ssi_private->ssi;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
clrbits32(&ssi->scr, CCSR_SSI_SCR_SSIEN);
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
setbits32(&ssi->scr,
CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_TE);
else
setbits32(&ssi->scr,
CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_RE);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
clrbits32(&ssi->scr, CCSR_SSI_SCR_TE);
else
clrbits32(&ssi->scr, CCSR_SSI_SCR_RE);
break;
default:
return -EINVAL;
}
return 0;
}
开发者ID:ANFS,项目名称:ANFS-kernel,代码行数:42,代码来源:fsl_ssi.c
示例4: mpc866ads_fixup_scc_irda_pdata
static void mpc866ads_fixup_scc_irda_pdata(struct platform_device *pdev,
int idx)
{
immap_t *immap = (immap_t *) IMAP_ADDR;
unsigned *bcsr_io;
/* This is for IRDA devices only */
if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-scc:irda")))
return;
bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR1\n");
return;
}
/* Enable the IRDA.
*/
clrbits32(bcsr_io,BCSR1_IRDAEN);
iounmap(bcsr_io);
/* Configure port A pins.
*/
setbits16(&immap->im_ioport.iop_papar, 0x000c);
clrbits16(&immap->im_ioport.iop_padir, 0x000c);
/* Configure Serial Interface clock routing.
* First, clear all SCC bits to zero, then set the ones we want.
*/
clrbits32(&immap->im_cpm.cp_sicr, 0x0000ff00);
setbits32(&immap->im_cpm.cp_sicr, 0x00001200);
}
开发者ID:prime5711,项目名称:blackbox,代码行数:33,代码来源:mpc866ads_setup.c
示例5: smc1_lineif
void smc1_lineif(struct uart_cpm_port *pinfo)
{
/* XXX SMC1: insert port configuration here */
unsigned *bcsr_io;
cpm8xx_t *cp;
pinfo->brg = 1;
#if defined (CONFIG_MPC885ADS) || defined (CONFIG_MPC86XADS)
#if defined(CONFIG_MPC885ADS)
cp = (cpm8xx_t *)immr_map(im_cpm);
setbits32(&cp->cp_pepar, 0x000000c0);
clrbits32(&cp->cp_pedir, 0x000000c0);
clrbits32(&cp->cp_peso, 0x00000040);
setbits32(&cp->cp_peso, 0x00000080);
immr_unmap(cp);
#endif
bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR\n");
return;
}
out_be32(bcsr_io, in_be32(bcsr_io) & ~BCSR1_RS232EN_1);
iounmap(bcsr_io);
#endif
}
开发者ID:mrtos,项目名称:Logitech-Revue,代码行数:27,代码来源:cpm_uart_cpm1.c
示例6: setup_scc3_ioports
static void setup_scc3_ioports(void)
{
immap_t *immap = (immap_t *) IMAP_ADDR;
unsigned *bcsr_io;
bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE);
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR\n");
return;
}
/* Enable the PHY.
*/
setbits32(bcsr_io+4, BCSR4_ETH10_RST);
/* Configure port A pins for Txd and Rxd.
*/
setbits16(&immap->im_ioport.iop_papar, PA_ENET_RXD | PA_ENET_TXD);
clrbits16(&immap->im_ioport.iop_padir, PA_ENET_RXD | PA_ENET_TXD);
/* Configure port C pins to enable CLSN and RENA.
*/
clrbits16(&immap->im_ioport.iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA);
clrbits16(&immap->im_ioport.iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA);
setbits16(&immap->im_ioport.iop_pcso, PC_ENET_CLSN | PC_ENET_RENA);
/* Configure port E for TCLK and RCLK.
*/
setbits32(&immap->im_cpm.cp_pepar, PE_ENET_TCLK | PE_ENET_RCLK);
clrbits32(&immap->im_cpm.cp_pepar, PE_ENET_TENA);
clrbits32(&immap->im_cpm.cp_pedir,
PE_ENET_TCLK | PE_ENET_RCLK | PE_ENET_TENA);
clrbits32(&immap->im_cpm.cp_peso, PE_ENET_TCLK | PE_ENET_RCLK);
setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);
/* Configure Serial Interface clock routing.
* First, clear all SCC bits to zero, then set the ones we want.
*/
clrbits32(&immap->im_cpm.cp_sicr, SICR_ENET_MASK);
setbits32(&immap->im_cpm.cp_sicr, SICR_ENET_CLKRT);
/* Disable Rx and Tx. SMC1 sshould be stopped if SCC3 eternet are used.
*/
immap->im_cpm.cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
/* On the MPC885ADS SCC ethernet PHY is initialized in the full duplex mode
* by H/W setting after reset. SCC ethernet controller support only half duplex.
* This discrepancy of modes causes a lot of carrier lost errors.
*/
/* In the original SCC enet driver the following code is placed at
the end of the initialization */
setbits32(&immap->im_cpm.cp_pepar, PE_ENET_TENA);
clrbits32(&immap->im_cpm.cp_pedir, PE_ENET_TENA);
setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);
setbits32(bcsr_io+1, BCSR1_ETHEN);
iounmap(bcsr_io);
}
开发者ID:BackupTheBerlios,项目名称:arp2-svn,代码行数:58,代码来源:mpc885ads_setup.c
示例7: m82xx_board_setup
void __init
m82xx_board_setup(void)
{
cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t));
u32 *bcsr = ioremap(BCSR_ADDR+4, sizeof(u32));
/* Enable the 2nd UART port */
clrbits32(bcsr, BCSR1_RS232_EN2);
#ifdef CONFIG_SERIAL_CPM_SCC1
clrbits32((u32*)&immap->im_scc[0].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
clrbits32((u32*)&immap->im_scc[0].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
#endif
#ifdef CONFIG_SERIAL_CPM_SCC2
clrbits32((u32*)&immap->im_scc[1].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
clrbits32((u32*)&immap->im_scc[1].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
#endif
#ifdef CONFIG_SERIAL_CPM_SCC3
clrbits32((u32*)&immap->im_scc[2].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
clrbits32((u32*)&immap->im_scc[2].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
#endif
#ifdef CONFIG_SERIAL_CPM_SCC4
clrbits32((u32*)&immap->im_scc[3].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
clrbits32((u32*)&immap->im_scc[3].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
#endif
iounmap(bcsr);
iounmap(immap);
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:32,代码来源:pq2ads.c
示例8: init_fcc2_ioports
static void init_fcc2_ioports(struct fs_platform_info *fpi)
{
cpm2_map_t *immap = ioremap(get_immrbase(), sizeof(cpm2_map_t));
struct device_node *np;
struct resource r;
u32 *bcsr;
struct io_port *io;
u32 tempval;
np = of_find_node_by_type(NULL, "memory");
if (!np) {
printk(KERN_INFO "No memory node in device tree\n");
return;
}
if (of_address_to_resource(np, 1, &r)) {
printk(KERN_INFO "No memory reg property [1] in devicetree\n");
return;
}
of_node_put(np);
io = &immap->im_ioport;
bcsr = ioremap(r.start + 12, sizeof(u32));
/* Enable the PHY */
clrbits32(bcsr, BCSR3_FETHIEN2);
setbits32(bcsr, BCSR3_FETH2_RST);
/* FCC2 are port B/C. */
/* Configure port A and C pins for FCC2 Ethernet. */
tempval = in_be32(&io->iop_pdirb);
tempval &= ~PB2_DIRB0;
tempval |= PB2_DIRB1;
out_be32(&io->iop_pdirb, tempval);
tempval = in_be32(&io->iop_psorb);
tempval &= ~PB2_PSORB0;
tempval |= PB2_PSORB1;
out_be32(&io->iop_psorb, tempval);
setbits32(&io->iop_pparb, PB2_DIRB0 | PB2_DIRB1);
tempval = PC_CLK(fpi->clk_tx - 8) | PC_CLK(fpi->clk_rx - 8);
/* Alter clocks */
clrbits32(&io->iop_psorc, tempval);
clrbits32(&io->iop_pdirc, tempval);
setbits32(&io->iop_pparc, tempval);
cpm2_clk_setup(CPM_CLK_FCC2, fpi->clk_rx, CPM_CLK_RX);
cpm2_clk_setup(CPM_CLK_FCC2, fpi->clk_tx, CPM_CLK_TX);
iounmap(bcsr);
iounmap(immap);
}
开发者ID:3sOx,项目名称:asuswrt-merlin,代码行数:55,代码来源:mpc82xx_ads.c
示例9: setup_fec2_ioports
static void setup_fec2_ioports(void)
{
immap_t *immap = (immap_t *) IMAP_ADDR;
/* configure FEC2 pins */
setbits32(&immap->im_cpm.cp_pepar, 0x0003fffc);
setbits32(&immap->im_cpm.cp_pedir, 0x0003fffc);
setbits32(&immap->im_cpm.cp_peso, 0x00037800);
clrbits32(&immap->im_cpm.cp_peso, 0x000087fc);
clrbits32(&immap->im_cpm.cp_cptr, 0x00000080);
}
开发者ID:BackupTheBerlios,项目名称:arp2-svn,代码行数:11,代码来源:mpc885ads_setup.c
示例10: init_fec2_ioports
static void init_fec2_ioports(struct fs_platform_info *ptr)
{
cpm8xx_t *cp = (cpm8xx_t *) immr_map(im_cpm);
iop8xx_t *io_port = (iop8xx_t *) immr_map(im_ioport);
/* configure FEC2 pins */
setbits32(&cp->cp_pepar, 0x0003fffc);
setbits32(&cp->cp_pedir, 0x0003fffc);
clrbits32(&cp->cp_peso, 0x000087fc);
setbits32(&cp->cp_peso, 0x00037800);
clrbits32(&cp->cp_cptr, 0x00000080);
immr_unmap(io_port);
immr_unmap(cp);
}
开发者ID:cilynx,项目名称:dd-wrt,代码行数:15,代码来源:mpc885ads_setup.c
示例11: init_scc4_uart_ioports
static void init_scc4_uart_ioports(struct fs_uart_platform_info*)
{
cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t));
setbits32(&immap->im_ioport.iop_ppard,0x00000600);
clrbits32(&immap->im_ioport.iop_psord,0x00000600);
clrbits32(&immap->im_ioport.iop_pdird,0x00000200);
setbits32(&immap->im_ioport.iop_pdird,0x00000400);
/* Wire BRG4 to SCC4 */
clrbits32(&immap->im_cpmux.cmx_scr,0x000000ff);
setbits32(&immap->im_cpmux.cmx_scr,0x0000001b);
iounmap(immap);
}
开发者ID:ivucica,项目名称:linux,代码行数:15,代码来源:mpc8272ads_setup.c
示例12: setup_scc1_ioports
static void setup_scc1_ioports(struct fs_platform_info* pdata)
{
immap_t *immap = (immap_t *) IMAP_ADDR;
unsigned *bcsr_io;
bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR1\n");
return;
}
/* Enable the PHY.
*/
clrbits32(bcsr_io,BCSR1_ETHEN);
/* Configure port A pins for Txd and Rxd.
*/
/* Disable receive and transmit in case EPPC-Bug started it.
*/
setbits16(&immap->im_ioport.iop_papar, PA_ENET_RXD | PA_ENET_TXD);
clrbits16(&immap->im_ioport.iop_padir, PA_ENET_RXD | PA_ENET_TXD);
clrbits16(&immap->im_ioport.iop_paodr, PA_ENET_TXD);
/* Configure port C pins to enable CLSN and RENA.
*/
clrbits16(&immap->im_ioport.iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA);
clrbits16(&immap->im_ioport.iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA);
setbits16(&immap->im_ioport.iop_pcso, PC_ENET_CLSN | PC_ENET_RENA);
/* Configure port A for TCLK and RCLK.
*/
setbits16(&immap->im_ioport.iop_papar, PA_ENET_TCLK | PA_ENET_RCLK);
clrbits16(&immap->im_ioport.iop_padir, PA_ENET_TCLK | PA_ENET_RCLK);
clrbits32(&immap->im_cpm.cp_pbpar, PB_ENET_TENA);
clrbits32(&immap->im_cpm.cp_pbdir, PB_ENET_TENA);
/* Configure Serial Interface clock routing.
* First, clear all SCC bits to zero, then set the ones we want.
*/
clrbits32(&immap->im_cpm.cp_sicr, SICR_ENET_MASK);
setbits32(&immap->im_cpm.cp_sicr, SICR_ENET_CLKRT);
/* In the original SCC enet driver the following code is placed at
the end of the initialization */
setbits32(&immap->im_cpm.cp_pbpar, PB_ENET_TENA);
setbits32(&immap->im_cpm.cp_pbdir, PB_ENET_TENA);
}
开发者ID:janrinze,项目名称:loox7xxport,代码行数:48,代码来源:mpc866ads_setup.c
示例13: flipper_pic_mask
static void flipper_pic_mask(unsigned int virq)
{
int irq = virq_to_hw(virq);
void __iomem *io_base = get_irq_chip_data(virq);
clrbits32(io_base + FLIPPER_IMR, 1 << irq);
}
开发者ID:12019,项目名称:linux-2.6.34-ts471x,代码行数:7,代码来源:flipper-pic.c
示例14: cpm_mask_irq
static void
cpm_mask_irq(unsigned int irq)
{
int cpm_vec = irq - CPM_IRQ_OFFSET;
clrbits32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr, (1 << cpm_vec));
}
开发者ID:274914765,项目名称:C,代码行数:7,代码来源:commproc.c
示例15: cpm_uart_request_port
/*
* Initialize port. This is called from early_console stuff
* so we have to be careful here !
*/
static int cpm_uart_request_port(struct uart_port *port)
{
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
int ret;
pr_debug("CPM uart[%d]:request port\n", port->line);
if (pinfo->flags & FLAG_CONSOLE)
return 0;
if (IS_SMC(pinfo)) {
clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX | SMCM_TX);
clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
} else {
clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
}
ret = cpm_uart_allocbuf(pinfo, 0);
if (ret)
return ret;
cpm_uart_initbd(pinfo);
if (IS_SMC(pinfo))
cpm_uart_init_smc(pinfo);
else
cpm_uart_init_scc(pinfo);
return 0;
}
开发者ID:johnny,项目名称:CobraDroidBeta,代码行数:35,代码来源:cpm_uart_core.c
示例16: cpm_uart_startup
static int cpm_uart_startup(struct uart_port *port)
{
int retval;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
pr_debug("CPM uart[%d]:startup\n", port->line);
/* If the port is not the console, make sure rx is disabled. */
if (!(pinfo->flags & FLAG_CONSOLE)) {
/* Disable UART rx */
if (IS_SMC(pinfo)) {
clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN);
clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
} else {
clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR);
clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
}
cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
}
/* Install interrupt handler. */
retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
if (retval)
return retval;
/* Startup rx-int */
if (IS_SMC(pinfo)) {
setbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
setbits16(&pinfo->smcp->smc_smcmr, (SMCMR_REN | SMCMR_TEN));
} else {
setbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
}
return 0;
}
开发者ID:119-org,项目名称:hi3518-osdrv,代码行数:35,代码来源:cpm_uart_core.c
示例17: mpc8xxx_irq_set_type
static int mpc8xxx_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
struct mpc8xxx_gpio_chip *mpc8xxx_gc = irq_data_get_irq_chip_data(d);
struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
unsigned long flags;
switch (flow_type) {
case IRQ_TYPE_EDGE_FALLING:
spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
setbits32(mm->regs + GPIO_ICR,
mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
break;
case IRQ_TYPE_EDGE_BOTH:
spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
clrbits32(mm->regs + GPIO_ICR,
mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
break;
default:
return -EINVAL;
}
return 0;
}
开发者ID:0x000000FF,项目名称:Linux4Edison,代码行数:27,代码来源:gpio-mpc8xxx.c
示例18: pmc_enable_wake
/**
* pmc_enable_wake - enable OF device as wakeup event source
* @ofdev: OF device affected
* @state: PM state from which device will issue wakeup events
* @enable: True to enable event generation; false to disable
*
* This enables the device as a wakeup event source, or disables it.
*
* RETURN VALUE:
* 0 is returned on success
* -EINVAL is returned if device is not supposed to wake up the system
* Error code depending on the platform is returned if both the platform and
* the native mechanism fail to enable the generation of wake-up events
*/
int pmc_enable_wake(struct of_device *ofdev, suspend_state_t state, bool enable)
{
int ret = 0;
struct device_node *clk_np;
u32 *pmcdr_mask;
if (enable && !device_may_wakeup(&ofdev->dev))
return -EINVAL;
clk_np = of_parse_phandle(ofdev->dev.of_node, "clk-handle", 0);
if (!clk_np)
return -EINVAL;
pmcdr_mask = (u32 *)of_get_property(clk_np, "fsl,pmcdr-mask", NULL);
if (!pmcdr_mask) {
ret = -EINVAL;
goto out;
}
/* clear to enable clock in low power mode */
if (enable)
clrbits32(&pmc_regs->pmcdr, *pmcdr_mask);
else
setbits32(&pmc_regs->pmcdr, *pmcdr_mask);
out:
of_node_put(clk_np);
return ret;
}
开发者ID:DavionKnight,项目名称:H18CE-1604C,代码行数:43,代码来源:fsl_pmc.c
示例19: flipper_pic_mask
static void flipper_pic_mask(struct irq_data *d)
{
int irq = irqd_to_hwirq(d);
void __iomem *io_base = irq_data_get_irq_chip_data(d);
clrbits32(io_base + FLIPPER_IMR, 1 << irq);
}
开发者ID:romanbb,项目名称:android_kernel_lge_d851,代码行数:7,代码来源:flipper-pic.c
示例20: esdhc_set_clock
static void esdhc_set_clock(struct sdhci_host *host, unsigned int clock)
{
int div;
int pre_div = 2;
clrbits32(host->ioaddr + ESDHC_SYSTEM_CONTROL, ESDHC_CLOCK_IPGEN |
ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN | ESDHC_CLOCK_MASK);
if (clock == 0)
goto out;
if (host->max_clk / 16 > clock) {
for (; pre_div < 256; pre_div *= 2) {
if (host->max_clk / pre_div < clock * 16)
break;
}
}
for (div = 1; div <= 16; div++) {
if (host->max_clk / (div * pre_div) <= clock)
break;
}
pre_div >>= 1;
setbits32(host->ioaddr + ESDHC_SYSTEM_CONTROL, ESDHC_CLOCK_IPGEN |
ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN |
div << ESDHC_DIVIDER_SHIFT | pre_div << ESDHC_PREDIV_SHIFT);
mdelay(100);
out:
host->clock = clock;
}
开发者ID:ClarkChen633,项目名称:rtl819x-toolchain,代码行数:32,代码来源:sdhci-of.c
注:本文中的clrbits32函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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