static void amd_xgbe_phy_remove(struct phy_device *phydev)
{
struct amd_xgbe_phy_priv *priv = phydev->priv;
struct device *dev = priv->dev;
if (priv->an_irq_allocated) {
devm_free_irq(dev, priv->an_irq, priv);
flush_workqueue(priv->an_workqueue);
destroy_workqueue(priv->an_workqueue);
}
/* Release resources */
devm_iounmap(dev, priv->sir1_regs);
devm_release_mem_region(dev, priv->sir1_res->start,
resource_size(priv->sir1_res));
devm_iounmap(dev, priv->sir0_regs);
devm_release_mem_region(dev, priv->sir0_res->start,
resource_size(priv->sir0_res));
devm_iounmap(dev, priv->rxtx_regs);
devm_release_mem_region(dev, priv->rxtx_res->start,
resource_size(priv->rxtx_res));
devm_kfree(dev, priv);
}
static void ivp_release_iores(struct platform_device *plat_devp)
{
struct ivp_device *pdev =
(struct ivp_device *) platform_get_drvdata(plat_devp);
ivp_info("enter");
if(NULL == pdev){
ivp_err("%s: pdev is null", __func__);
return;
}
if (NULL != pdev->io_res.gic_base_addr) {
devm_iounmap(&plat_devp->dev, pdev->io_res.gic_base_addr);
pdev->io_res.gic_base_addr = NULL;
}
if (NULL != pdev->io_res.pericrg_base_addr) {
devm_iounmap(&plat_devp->dev, pdev->io_res.pericrg_base_addr);
pdev->io_res.pericrg_base_addr = NULL;
}
if (NULL != pdev->io_res.pctrl_base_addr) {
devm_iounmap(&plat_devp->dev, pdev->io_res.pctrl_base_addr);
pdev->io_res.pctrl_base_addr = NULL;
}
if (NULL != pdev->io_res.cfg_base_addr) {
devm_iounmap(&plat_devp->dev, pdev->io_res.cfg_base_addr);
pdev->io_res.cfg_base_addr = NULL;
}
}
int cp_watchdog_remove(struct platform_device *pdev)
{
#ifdef REQUEST_MEM_REGION
struct resource *res = NULL;
#endif
if (cp_watchdog->ops->exit)
cp_watchdog->ops->exit(cp_watchdog->data);
if (cp_wdt_type_cp_timer != cp_watchdog->type) {
devm_iounmap(&pdev->dev, cp_watchdog->base);
#ifdef REQUEST_MEM_REGION
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res)
devm_release_mem_region(&pdev->dev, res->start,
resource_size(res));
#endif
}
devm_kfree(&pdev->dev, cp_watchdog->data);
devm_kfree(&pdev->dev, cp_watchdog);
cp_watchdog = NULL;
platform_set_drvdata(pdev, NULL);
return 0;
}
static void meson_uart_release_port(struct uart_port *port)
{
int size = meson_uart_res_size(port);
if (port->flags & UPF_IOREMAP) {
devm_release_mem_region(port->dev, port->mapbase, size);
devm_iounmap(port->dev, port->membase);
port->membase = NULL;
}
}
static void
scpi_free_channels(struct device *dev, struct scpi_chan *pchan, int count)
{
int i;
for (i = 0; i < count && pchan->chan; i++, pchan++) {
mbox_free_channel(pchan->chan);
devm_kfree(dev, pchan->xfers);
devm_iounmap(dev, pchan->rx_payload);
}
}
static int sirfsoc_uart_remove(struct platform_device *pdev)
{
struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev);
struct uart_port *port = &sirfport->port;
platform_set_drvdata(pdev, NULL);
if (sirfport->hw_flow_ctrl)
pinctrl_put(sirfport->p);
devm_iounmap(&pdev->dev, port->membase);
uart_remove_one_port(&sirfsoc_uart_drv, port);
return 0;
}
static int mmp_apical_remove(struct platform_device *pdev)
{
struct mmp_apical *apical = platform_get_drvdata(pdev);
struct resource *res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct resource *res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (res0 == NULL || res1 == NULL) {
dev_err(&pdev->dev, "%s: no IO memory defined\n", __func__);
return -ENOENT;
}
apical_dbg_uninit(apical->dev);
devm_iounmap(apical->dev, apical->lcd_reg_base);
devm_iounmap(apical->dev, apical->reg_base);
devm_release_mem_region(apical->dev, res0->start,
resource_size(res0));
devm_kfree(apical->dev, apical);
platform_set_drvdata(pdev, NULL);
return 0;
}
static void msm_sata_phy_deinit(struct device *dev)
{
/* Synopsys PHY specific Power Down Sequence */
u32 reg;
struct msm_sata_hba *hba = dev_get_drvdata(dev);
/* Setting PHY_RESET to 1 */
reg = readl_relaxed(hba->phy_base + SATA_PHY_P0_PARAM4);
reg = reg | 0x01;
writel_relaxed(reg, hba->phy_base + SATA_PHY_P0_PARAM4);
devm_iounmap(dev, hba->phy_base);
}
static int hisi_regulator_hi3630_core_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct hisi_regulator_hi3630_core *pmic = platform_get_drvdata(pdev);
devm_iounmap(dev, pmic->regs);
devm_release_mem_region(dev, pmic->res->start,
resource_size(pmic->res));
devm_kfree(dev, pmic);
platform_set_drvdata(pdev, NULL);
return 0;
}
static void msm_sata_phy_deinit(struct device *dev)
{
struct msm_sata_hba *hba = dev_get_drvdata(dev);
writel_relaxed(0xF8, hba->phy_base + SATA_PHY_POW_DWN_CTRL0);
writel_relaxed(0xFE, hba->phy_base + SATA_PHY_POW_DWN_CTRL1);
writel_relaxed(0x00, hba->phy_base + UNIPHY_PLL_GLB_CFG);
mb();
devm_iounmap(dev, hba->phy_base);
}
/**
* Destroys an MC I/O object
*
* @mc_io: MC I/O object to destroy
*/
void fsl_destroy_mc_io(struct fsl_mc_io *mc_io)
{
struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
if (dpmcp_dev)
fsl_mc_io_unset_dpmcp(mc_io);
devm_iounmap(mc_io->dev, mc_io->portal_virt_addr);
devm_release_mem_region(mc_io->dev,
mc_io->portal_phys_addr,
mc_io->portal_size);
mc_io->portal_virt_addr = NULL;
devm_kfree(mc_io->dev, mc_io);
}
static int bcm63xx_spi_remove(struct platform_device *pdev)
{
bcm_mpi_dev_data_t *bs = platform_get_drvdata(pdev);
bcm_pr_debug("%s()\n", __func__);
bcm_assert(1 == bs->ref_count);
/* reset spi block */
bcm_spi_writeb(bs, 0, SPI_INT_MASK);
/* HW shutdown */
clk_disable(bs->clk);
devm_free_irq(&(pdev->dev), bs->irq, bs);
devm_iounmap(&(pdev->dev), bs->regs);
devm_release_mem_region(&(pdev->dev), bs->res_start, bs->res_size);
platform_set_drvdata(pdev, NULL);
clk_put(bs->clk);
bs->ref_count = 0;
return (0);
}
static int hi6401_irq_remove(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct hi6401_irq *irq = platform_get_drvdata(pdev);
if(irq->pll_delay_wq) {
cancel_delayed_work(&irq->pll_delay_work);
flush_workqueue(irq->pll_delay_wq);
destroy_workqueue(irq->pll_delay_wq);
}
if(irq->hi6401_irq_delay_wq) {
cancel_delayed_work(&irq->hi6401_irq_delay_work);
flush_workqueue(irq->hi6401_irq_delay_wq);
destroy_workqueue(irq->hi6401_irq_delay_wq);
}
free_irq(irq->irq, irq);
gpio_free(irq->gpio);
clk_disable_unprepare(irq->pmu_audio_clk);
devm_clk_put(dev, irq->pmu_audio_clk);
clk_disable_unprepare(irq->codec_ssi_clk);
devm_clk_put(dev, irq->codec_ssi_clk);
codec_ssi_iomux_idle(irq->pctrl);
pinctrl_put(irq->pctrl);
devm_iounmap(dev, irq->reg_base_addr);
devm_release_mem_region(dev, irq->res->start,
resource_size(irq->res));
devm_kfree(dev, irq);
platform_set_drvdata(pdev, NULL);
if (g_dump_buf)
{
kfree(g_dump_buf);
g_dump_buf = NULL;
}
return 0;
}
static void ath10k_ahb_resource_deinit(struct ath10k *ar)
{
struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
struct device *dev;
dev = &ar_ahb->pdev->dev;
if (ar_ahb->mem)
devm_iounmap(dev, ar_ahb->mem);
if (ar_ahb->gcc_mem)
iounmap(ar_ahb->gcc_mem);
if (ar_ahb->tcsr_mem)
iounmap(ar_ahb->tcsr_mem);
ar_ahb->mem = NULL;
ar_ahb->gcc_mem = NULL;
ar_ahb->tcsr_mem = NULL;
ath10k_ahb_clock_deinit(ar);
ath10k_ahb_rst_ctrl_deinit(ar);
}
static int __init exynos_sata_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ata_port_info pi = ahci_port_info;
const struct ata_port_info *ppi[] = { &pi, NULL };
struct ahci_host_priv *hpriv;
struct exynos_sata *sata;
struct ata_host *host;
struct resource *mem;
int n_ports, i, ret;
sata = devm_kzalloc(dev, sizeof(*sata), GFP_KERNEL);
if (!sata) {
dev_err(dev, "can't alloc sata\n");
return -EINVAL;
}
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv) {
dev_err(dev, "can't alloc ahci_host_priv\n");
ret = -ENOMEM;
goto err1;
}
hpriv->flags |= (unsigned long)pi.private_data;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(dev, "no mmio space\n");
ret = -EINVAL;
goto err2;
}
sata->irq = platform_get_irq(pdev, 0);
if (sata->irq <= 0) {
dev_err(dev, "no irq\n");
ret = -EINVAL;
goto err2;
}
hpriv->mmio = devm_ioremap(dev, mem->start, resource_size(mem));
if (!hpriv->mmio) {
dev_err(dev, "can't map %pR\n", mem);
ret = -ENOMEM;
goto err2;
}
exynos_sata_parse_dt(dev->of_node, sata);
if (!sata->freq) {
dev_err(dev, "can't determine sata frequency \n");
ret = -ENOMEM;
goto err2;
}
sata->sclk = devm_clk_get(dev, "sclk_sata");
if (IS_ERR(sata->sclk)) {
dev_err(dev, "failed to get sclk_sata\n");
ret = PTR_ERR(sata->sclk);
goto err3;
}
clk_enable(sata->sclk);
clk_set_rate(sata->sclk, sata->freq * MHZ);
sata->clk = devm_clk_get(dev, "sata");
if (IS_ERR(sata->clk)) {
dev_err(dev, "failed to get sata clock\n");
ret = PTR_ERR(sata->clk);
goto err4;
}
clk_enable(sata->clk);
/* Get a gen 3 PHY controller */
sata->phy = sata_get_phy(SATA_PHY_GENERATION3);
if (!sata->phy) {
dev_err(dev, "failed to get sata phy\n");
ret = -EPROBE_DEFER;
goto err5;
}
/* Initialize the controller */
ret = sata_init_phy(sata->phy);
if (ret < 0) {
dev_err(dev, "failed to initialize sata phy\n");
goto err6;
}
ahci_save_initial_config(dev, hpriv, 0, 0);
/* prepare host */
if (hpriv->cap & HOST_CAP_NCQ)
pi.flags |= ATA_FLAG_NCQ;
if (hpriv->cap & HOST_CAP_PMP)
pi.flags |= ATA_FLAG_PMP;
ahci_set_em_messages(hpriv, &pi);
/* CAP.NP sometimes indicate the index of the last enabled
* port, at other times, that of the last possible port, so
* determining the maximum port number requires looking at
* both CAP.NP and port_map.
*/
n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
host = ata_host_alloc_pinfo(dev, ppi, n_ports);
if (!host) {
ret = -ENOMEM;
goto err7;
}
host->private_data = hpriv;
if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
host->flags |= ATA_HOST_PARALLEL_SCAN;
else
pr_info(KERN_INFO
"ahci: SSS flag set, parallel bus scan disabled\n");
if (pi.flags & ATA_FLAG_EM)
ahci_reset_em(host);
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
ata_port_desc(ap, "mmio %pR", mem);
ata_port_desc(ap, "port 0x%x", 0x100 + ap->port_no * 0x80);
/* set enclosure management message type */
if (ap->flags & ATA_FLAG_EM)
ap->em_message_type = hpriv->em_msg_type;
/* disabled/not-implemented port */
if (!(hpriv->port_map & (1 << i)))
ap->ops = &ata_dummy_port_ops;
}
ret = ahci_reset_controller(host);
if (ret)
goto err7;
ahci_init_controller(host);
ahci_print_info(host, "platform");
ret = ata_host_activate(host, sata->irq, ahci_interrupt, IRQF_SHARED,
&ahci_platform_sht);
if (ret)
goto err7;
platform_set_drvdata(pdev, sata);
return 0;
err7:
sata_shutdown_phy(sata->phy);
err6:
sata_put_phy(sata->phy);
err5:
clk_disable(sata->clk);
devm_clk_put(dev, sata->clk);
err4:
clk_disable(sata->sclk);
devm_clk_put(dev, sata->sclk);
err3:
devm_iounmap(dev, hpriv->mmio);
err2:
devm_kfree(dev, hpriv);
err1:
devm_kfree(dev, sata);
return ret;
}
static int bcm63xx_spi_probe(struct platform_device *pdev)
{
struct device *dev = &(pdev->dev);
int ret;
struct resource *r;
int irq;
bcm_mpi_dev_data_t *bs;
bcm_pr_debug("%s()\n", __func__);
if (
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0)
(!pdev->id_entry->driver_data)
#else /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0) */
(!BCMCPU_IS_6358())
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0) */
) {
return -EINVAL;
}
bs = &(bcm_mpi_dev_data);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0)
bcm_mpi_dev_data_init(bs, (const unsigned long *)pdev->id_entry->driver_data);
#else /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0) */
bcm_mpi_dev_data_init(bs, bcm6358_spi_reg_offsets);
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 4, 0) */
bs->ref_count = 1;
bs->pdev = pdev;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!r) {
dev_err(dev, "no iomem\n");
ret = -ENXIO;
goto fail_get_res;
}
bs->res_start = r->start;
bs->res_size = resource_size(r);
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "no irq\n");
ret = -ENXIO;
goto fail_get_irq;
}
bs->irq = irq;
bs->clk = devm_clk_get(dev, "spi");
if (IS_ERR(bs->clk)) {
dev_err(dev, "no clock for device\n");
ret = PTR_ERR(bs->clk);
goto fail_get_clk;
}
platform_set_drvdata(pdev, bs);
if (!devm_request_mem_region(&(pdev->dev), bs->res_start, bs->res_size, driver_name)) {
dev_err(dev, "iomem request failed\n");
ret = -ENXIO;
goto fail_req_reg;
}
bs->regs = devm_ioremap_nocache(&(pdev->dev), bs->res_start, bs->res_size);
if (!bs->regs) {
dev_err(dev, "unable to ioremap regs\n");
ret = -ENOMEM;
goto fail_io_remap;
}
bs->tx_io = (u8 *)(bs->regs + bs->reg_offsets[SPI_MSG_DATA]);
bs->rx_io = (const u8 *)(bs->regs + bs->reg_offsets[SPI_RX_DATA]);
ret = devm_request_irq(&(pdev->dev), irq, bcm63xx_spi_interrupt, 0,
pdev->name, bs);
if (ret) {
dev_err(dev, "unable to request irq\n");
goto fail_req_irq;
}
/* Initialize hardware */
clk_enable(bs->clk);
/* Read interupts and clear them immediately */
bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
bcm_spi_writeb(bs, 0, SPI_INT_MASK);
bcm_mpi_set_clk_cfg(bs, SPI_CLK_0_391MHZ);
bcm_mpi_set_fill_byte(bs, 0);
dev_info(dev, "at 0x%08x (irq %d, FIFOs size %d)\n",
bs->res_start, bs->irq, bs->fifo_size);
return 0;
clk_disable(bs->clk);
devm_free_irq(&(pdev->dev), irq, bs);
fail_req_irq:
devm_iounmap(&(pdev->dev), bs->regs);
fail_io_remap:
devm_release_mem_region(&(pdev->dev), bs->res_start, bs->res_size);
fail_req_reg:
platform_set_drvdata(pdev, NULL);
clk_put(bs->clk);
fail_get_clk:
fail_get_irq:
fail_get_res:
bs->ref_count = 0;
return ret;
}
static int ath10k_ahb_resource_init(struct ath10k *ar)
{
struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar);
struct platform_device *pdev;
struct resource *res;
int ret;
pdev = ar_ahb->pdev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
ath10k_err(ar, "failed to get memory resource\n");
ret = -ENXIO;
goto out;
}
ar_ahb->mem = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(ar_ahb->mem)) {
ath10k_err(ar, "mem ioremap error\n");
ret = PTR_ERR(ar_ahb->mem);
goto out;
}
ar_ahb->mem_len = resource_size(res);
ar_ahb->gcc_mem = ioremap_nocache(ATH10K_GCC_REG_BASE,
ATH10K_GCC_REG_SIZE);
if (!ar_ahb->gcc_mem) {
ath10k_err(ar, "gcc mem ioremap error\n");
ret = -ENOMEM;
goto err_mem_unmap;
}
ar_ahb->tcsr_mem = ioremap_nocache(ATH10K_TCSR_REG_BASE,
ATH10K_TCSR_REG_SIZE);
if (!ar_ahb->tcsr_mem) {
ath10k_err(ar, "tcsr mem ioremap error\n");
ret = -ENOMEM;
goto err_gcc_mem_unmap;
}
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
ath10k_err(ar, "failed to set 32-bit dma mask: %d\n", ret);
goto err_tcsr_mem_unmap;
}
ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret) {
ath10k_err(ar, "failed to set 32-bit consistent dma: %d\n",
ret);
goto err_tcsr_mem_unmap;
}
ret = ath10k_ahb_clock_init(ar);
if (ret)
goto err_tcsr_mem_unmap;
ret = ath10k_ahb_rst_ctrl_init(ar);
if (ret)
goto err_clock_deinit;
ar_ahb->irq = platform_get_irq_byname(pdev, "legacy");
if (ar_ahb->irq < 0) {
ath10k_err(ar, "failed to get irq number: %d\n", ar_ahb->irq);
ret = ar_ahb->irq;
goto err_clock_deinit;
}
ath10k_dbg(ar, ATH10K_DBG_BOOT, "irq: %d\n", ar_ahb->irq);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "mem: 0x%pK mem_len: %lu gcc mem: 0x%pK tcsr_mem: 0x%pK\n",
ar_ahb->mem, ar_ahb->mem_len,
ar_ahb->gcc_mem, ar_ahb->tcsr_mem);
return 0;
err_clock_deinit:
ath10k_ahb_clock_deinit(ar);
err_tcsr_mem_unmap:
iounmap(ar_ahb->tcsr_mem);
err_gcc_mem_unmap:
ar_ahb->tcsr_mem = NULL;
iounmap(ar_ahb->gcc_mem);
err_mem_unmap:
ar_ahb->gcc_mem = NULL;
devm_iounmap(&pdev->dev, ar_ahb->mem);
out:
ar_ahb->mem = NULL;
return ret;
}
static int mmphw_probe(struct platform_device *pdev)
{
struct mmp_mach_plat_info *mi;
struct resource *res;
int ret, i, size, irq;
struct mmphw_path_plat *path_plat;
struct mmphw_ctrl *ctrl = NULL;
/* get resources from platform data */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "%s: no IO memory defined\n", __func__);
ret = -ENOENT;
goto failed;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "%s: no IRQ defined\n", __func__);
ret = -ENOENT;
goto failed;
}
/* get configs from platform data */
mi = pdev->dev.platform_data;
if (mi == NULL || !mi->path_num || !mi->paths) {
dev_err(&pdev->dev, "%s: no platform data defined\n", __func__);
ret = -EINVAL;
goto failed;
}
/* allocate */
size = sizeof(struct mmphw_ctrl) + sizeof(struct mmphw_path_plat) *
mi->path_num;
ctrl = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
if (!ctrl) {
ret = -ENOMEM;
goto failed;
}
ctrl->name = mi->name;
ctrl->path_num = mi->path_num;
ctrl->dev = &pdev->dev;
ctrl->irq = irq;
platform_set_drvdata(pdev, ctrl);
mutex_init(&ctrl->access_ok);
/* map registers.*/
if (!devm_request_mem_region(ctrl->dev, res->start,
resource_size(res), ctrl->name)) {
dev_err(ctrl->dev,
"can't request region for resource %pR\n", res);
ret = -EINVAL;
goto failed;
}
ctrl->reg_base = devm_ioremap_nocache(ctrl->dev,
res->start, resource_size(res));
if (ctrl->reg_base == NULL) {
dev_err(ctrl->dev, "%s: res %x - %x map failed\n", __func__,
res->start, res->end);
ret = -ENOMEM;
goto failed;
}
/* request irq */
ret = devm_request_irq(ctrl->dev, ctrl->irq, ctrl_handle_irq,
IRQF_SHARED, "lcd_controller", ctrl);
if (ret < 0) {
dev_err(ctrl->dev, "%s unable to request IRQ %d\n",
__func__, ctrl->irq);
ret = -ENXIO;
goto failed;
}
/* get clock */
ctrl->clk = devm_clk_get(ctrl->dev, mi->clk_name);
if (IS_ERR(ctrl->clk)) {
dev_err(ctrl->dev, "unable to get clk %s\n", mi->clk_name);
ret = -ENOENT;
goto failed_get_clk;
}
clk_prepare_enable(ctrl->clk);
/* init global regs */
ctrl_set_default(ctrl);
/* init pathes from machine info and register them */
for (i = 0; i < ctrl->path_num; i++) {
/* get from config and machine info */
path_plat = &ctrl->path_plats[i];
path_plat->id = i;
path_plat->ctrl = ctrl;
/* path init */
if (!path_init(path_plat, &mi->paths[i])) {
ret = -EINVAL;
goto failed_path_init;
}
}
#ifdef CONFIG_MMP_DISP_SPI
ret = lcd_spi_register(ctrl);
if (ret < 0)
goto failed_path_init;
#endif
dev_info(ctrl->dev, "device init done\n");
return 0;
failed_path_init:
for (i = 0; i < ctrl->path_num; i++) {
path_plat = &ctrl->path_plats[i];
path_deinit(path_plat);
}
if (ctrl->clk) {
devm_clk_put(ctrl->dev, ctrl->clk);
clk_disable_unprepare(ctrl->clk);
}
failed_get_clk:
devm_free_irq(ctrl->dev, ctrl->irq, ctrl);
failed:
if (ctrl) {
if (ctrl->reg_base)
devm_iounmap(ctrl->dev, ctrl->reg_base);
devm_release_mem_region(ctrl->dev, res->start,
resource_size(res));
devm_kfree(ctrl->dev, ctrl);
}
platform_set_drvdata(pdev, NULL);
dev_err(&pdev->dev, "device init failed\n");
return ret;
}
static int amd_xgbe_phy_probe(struct phy_device *phydev)
{
struct amd_xgbe_phy_priv *priv;
struct platform_device *phy_pdev;
struct device *dev, *phy_dev;
unsigned int phy_resnum, phy_irqnum;
int ret;
if (!phydev->bus || !phydev->bus->parent)
return -EINVAL;
dev = phydev->bus->parent;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->pdev = to_platform_device(dev);
priv->adev = ACPI_COMPANION(dev);
priv->dev = dev;
priv->phydev = phydev;
mutex_init(&priv->an_mutex);
INIT_WORK(&priv->an_irq_work, amd_xgbe_an_irq_work);
INIT_WORK(&priv->an_work, amd_xgbe_an_state_machine);
if (!priv->adev || acpi_disabled) {
struct device_node *bus_node;
struct device_node *phy_node;
bus_node = priv->dev->of_node;
phy_node = of_parse_phandle(bus_node, "phy-handle", 0);
if (!phy_node) {
dev_err(dev, "unable to parse phy-handle\n");
ret = -EINVAL;
goto err_priv;
}
phy_pdev = of_find_device_by_node(phy_node);
of_node_put(phy_node);
if (!phy_pdev) {
dev_err(dev, "unable to obtain phy device\n");
ret = -EINVAL;
goto err_priv;
}
phy_resnum = 0;
phy_irqnum = 0;
} else {
/* In ACPI, the XGBE and PHY resources are the grouped
* together with the PHY resources at the end
*/
phy_pdev = priv->pdev;
phy_resnum = amd_xgbe_phy_resource_count(phy_pdev,
IORESOURCE_MEM) - 3;
phy_irqnum = amd_xgbe_phy_resource_count(phy_pdev,
IORESOURCE_IRQ) - 1;
}
phy_dev = &phy_pdev->dev;
/* Get the device mmio areas */
priv->rxtx_res = platform_get_resource(phy_pdev, IORESOURCE_MEM,
phy_resnum++);
priv->rxtx_regs = devm_ioremap_resource(dev, priv->rxtx_res);
if (IS_ERR(priv->rxtx_regs)) {
dev_err(dev, "rxtx ioremap failed\n");
ret = PTR_ERR(priv->rxtx_regs);
goto err_put;
}
priv->sir0_res = platform_get_resource(phy_pdev, IORESOURCE_MEM,
phy_resnum++);
priv->sir0_regs = devm_ioremap_resource(dev, priv->sir0_res);
if (IS_ERR(priv->sir0_regs)) {
dev_err(dev, "sir0 ioremap failed\n");
ret = PTR_ERR(priv->sir0_regs);
goto err_rxtx;
}
priv->sir1_res = platform_get_resource(phy_pdev, IORESOURCE_MEM,
phy_resnum++);
priv->sir1_regs = devm_ioremap_resource(dev, priv->sir1_res);
if (IS_ERR(priv->sir1_regs)) {
dev_err(dev, "sir1 ioremap failed\n");
ret = PTR_ERR(priv->sir1_regs);
goto err_sir0;
}
/* Get the auto-negotiation interrupt */
ret = platform_get_irq(phy_pdev, phy_irqnum);
if (ret < 0) {
dev_err(dev, "platform_get_irq failed\n");
goto err_sir1;
}
priv->an_irq = ret;
/* Get the device speed set property */
ret = device_property_read_u32(phy_dev, XGBE_PHY_SPEEDSET_PROPERTY,
&priv->speed_set);
if (ret) {
dev_err(dev, "invalid %s property\n",
XGBE_PHY_SPEEDSET_PROPERTY);
goto err_sir1;
}
switch (priv->speed_set) {
case AMD_XGBE_PHY_SPEEDSET_1000_10000:
case AMD_XGBE_PHY_SPEEDSET_2500_10000:
break;
default:
dev_err(dev, "invalid %s property\n",
XGBE_PHY_SPEEDSET_PROPERTY);
ret = -EINVAL;
goto err_sir1;
}
if (device_property_present(phy_dev, XGBE_PHY_BLWC_PROPERTY)) {
ret = device_property_read_u32_array(phy_dev,
XGBE_PHY_BLWC_PROPERTY,
priv->serdes_blwc,
XGBE_PHY_SPEEDS);
if (ret) {
dev_err(dev, "invalid %s property\n",
XGBE_PHY_BLWC_PROPERTY);
goto err_sir1;
}
} else {
memcpy(priv->serdes_blwc, amd_xgbe_phy_serdes_blwc,
sizeof(priv->serdes_blwc));
}
if (device_property_present(phy_dev, XGBE_PHY_CDR_RATE_PROPERTY)) {
ret = device_property_read_u32_array(phy_dev,
XGBE_PHY_CDR_RATE_PROPERTY,
priv->serdes_cdr_rate,
XGBE_PHY_SPEEDS);
if (ret) {
dev_err(dev, "invalid %s property\n",
XGBE_PHY_CDR_RATE_PROPERTY);
goto err_sir1;
}
} else {
memcpy(priv->serdes_cdr_rate, amd_xgbe_phy_serdes_cdr_rate,
sizeof(priv->serdes_cdr_rate));
}
if (device_property_present(phy_dev, XGBE_PHY_PQ_SKEW_PROPERTY)) {
ret = device_property_read_u32_array(phy_dev,
XGBE_PHY_PQ_SKEW_PROPERTY,
priv->serdes_pq_skew,
XGBE_PHY_SPEEDS);
if (ret) {
dev_err(dev, "invalid %s property\n",
XGBE_PHY_PQ_SKEW_PROPERTY);
goto err_sir1;
}
} else {
memcpy(priv->serdes_pq_skew, amd_xgbe_phy_serdes_pq_skew,
sizeof(priv->serdes_pq_skew));
}
if (device_property_present(phy_dev, XGBE_PHY_TX_AMP_PROPERTY)) {
ret = device_property_read_u32_array(phy_dev,
XGBE_PHY_TX_AMP_PROPERTY,
priv->serdes_tx_amp,
XGBE_PHY_SPEEDS);
if (ret) {
dev_err(dev, "invalid %s property\n",
XGBE_PHY_TX_AMP_PROPERTY);
goto err_sir1;
}
} else {
memcpy(priv->serdes_tx_amp, amd_xgbe_phy_serdes_tx_amp,
sizeof(priv->serdes_tx_amp));
}
phydev->priv = priv;
if (!priv->adev || acpi_disabled)
platform_device_put(phy_pdev);
return 0;
err_sir1:
devm_iounmap(dev, priv->sir1_regs);
devm_release_mem_region(dev, priv->sir1_res->start,
resource_size(priv->sir1_res));
err_sir0:
devm_iounmap(dev, priv->sir0_regs);
devm_release_mem_region(dev, priv->sir0_res->start,
resource_size(priv->sir0_res));
err_rxtx:
devm_iounmap(dev, priv->rxtx_regs);
devm_release_mem_region(dev, priv->rxtx_res->start,
resource_size(priv->rxtx_res));
err_put:
if (!priv->adev || acpi_disabled)
platform_device_put(phy_pdev);
err_priv:
devm_kfree(dev, priv);
return ret;
}
static int mmp_apical_probe(struct platform_device *pdev)
{
struct mmp_mach_apical_info *mi;
struct mmp_mach_apical_info dt_mi;
struct device_node *np = pdev->dev.of_node;
struct resource *res0, *res1;
int ret = 0;
/* get resources from platform data */
res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (res0 == NULL || res1 == NULL) {
dev_err(&pdev->dev, "%s: no IO memory defined\n", __func__);
return -ENOENT;
}
if (IS_ENABLED(CONFIG_OF)) {
if (of_property_read_u32(np, "marvell,apical-num",
&dt_mi.apical_channel_num)) {
dev_err(&pdev->dev, "%s: apical get num fail\n",
__func__);
return -EINVAL;
}
mi = &dt_mi;
} else {
/* get configs from platform data */
mi = pdev->dev.platform_data;
if (mi == NULL) {
dev_err(&pdev->dev, "%s: no platform data defined\n",
__func__);
return -EINVAL;
}
}
apical = devm_kzalloc(&pdev->dev, sizeof(struct mmp_apical) +
sizeof(struct mmp_apical_info) * mi->apical_channel_num,
GFP_KERNEL);
if (apical == NULL) {
dev_err(&pdev->dev, "apical alloc fail\n");
return -ENOMEM;
}
apical_init(mi);
apical->dev = &pdev->dev;
/* map registers.*/
if (!devm_request_mem_region(apical->dev, res0->start,
resource_size(res0), apical->name)) {
dev_err(apical->dev,
"can't request region for resource %pR\n", res0);
ret = -EINVAL;
goto mem_fail;
}
apical->reg_base = devm_ioremap_nocache(apical->dev,
res0->start, resource_size(res0));
if (apical->reg_base == NULL) {
dev_err(apical->dev, "%s: res0%lx - %lx map failed\n", __func__,
(unsigned long)res0->start, (unsigned long)res0->end);
ret = -ENOMEM;
goto ioremap_fail;
}
apical->lcd_reg_base = devm_ioremap_nocache(apical->dev,
res1->start, resource_size(res1));
if (apical->lcd_reg_base == NULL) {
dev_err(apical->dev, "%s: res1%lx - %lx map failed\n", __func__,
(unsigned long)res1->start, (unsigned long)res1->end);
ret = -ENOMEM;
goto ioremap1_fail;
}
platform_set_drvdata(pdev, apical);
ret = apical_dbg_init(apical->dev);
if (ret < 0) {
dev_err(apical->dev, "%s: Failed to register apical dbg interface\n", __func__);
goto ioremap1_fail;
}
dev_info(&pdev->dev, "apical probe succeed\n");
return 0;
ioremap1_fail:
devm_iounmap(&pdev->dev, apical->reg_base);
ioremap_fail:
devm_release_mem_region(&pdev->dev, res0->start,
resource_size(res0));
mem_fail:
devm_kfree(&pdev->dev, apical);
dev_err(&pdev->dev, "apical device init failed\n");
return ret;
}
static int __init sata_phy_probe(struct platform_device *pdev)
{
struct exynos_sata_phy *sataphy;
struct sata_phy *phy;
struct resource *res;
struct device *dev = &pdev->dev;
int ret = 0;
phy = kzalloc(sizeof(struct sata_phy), GFP_KERNEL);
if (!phy) {
dev_err(&pdev->dev, "failed to allocate memory\n");
ret = -ENOMEM;
goto out;
}
sataphy = kzalloc(sizeof(struct exynos_sata_phy), GFP_KERNEL);
if (!sataphy) {
dev_err(dev, "failed to allocate memory\n");
ret = -ENOMEM;
goto err0;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "Could not find IO resource\n");
ret = -EINVAL;
goto err1;
}
sataphy->mem = devm_request_mem_region(dev, res->start,
resource_size(res), pdev->name);
if (!sataphy->mem) {
dev_err(dev, "Could not request IO resource\n");
ret = -EINVAL;
goto err1;
}
sataphy->mmio =
devm_ioremap(dev, res->start, resource_size(res));
if (!sataphy->mmio) {
dev_err(dev, "failed to remap IO\n");
ret = -ENOMEM;
goto err2;
}
sataphy->clk = devm_clk_get(dev, "sata-phy");
if (IS_ERR(sataphy->clk)) {
dev_err(dev, "failed to get clk for PHY\n");
ret = PTR_ERR(sataphy->clk);
goto err3;
}
phy->init = sataphy_init;
phy->shutdown = sataphy_shutdown;
phy->priv_data = (void *)sataphy;
phy->dev = dev;
ret = sata_add_phy(phy, SATA_PHY_GENERATION3);
if (ret < 0)
goto err4;
ret = i2c_add_driver(&sataphy_i2c_driver);
if (ret < 0)
goto err5;
platform_set_drvdata(pdev, phy);
return ret;
err5:
sata_remove_phy(phy);
err4:
clk_disable(sataphy->clk);
devm_clk_put(dev, sataphy->clk);
err3:
devm_iounmap(dev, sataphy->mmio);
err2:
devm_release_mem_region(dev, res->start, resource_size(res));
err1:
kfree(sataphy);
err0:
kfree(phy);
out:
return ret;
}
int sirfsoc_uart_probe(struct platform_device *pdev)
{
struct sirfsoc_uart_port *sirfport;
struct uart_port *port;
struct resource *res;
int ret;
if (of_property_read_u32(pdev->dev.of_node, "cell-index", &pdev->id)) {
dev_err(&pdev->dev,
"Unable to find cell-index in uart node.\n");
ret = -EFAULT;
goto err;
}
sirfport = &sirfsoc_uart_ports[pdev->id];
port = &sirfport->port;
port->dev = &pdev->dev;
port->private_data = sirfport;
if (of_find_property(pdev->dev.of_node, "hw_flow_ctrl", NULL))
sirfport->hw_flow_ctrl = 1;
if (of_property_read_u32(pdev->dev.of_node,
"fifosize",
&port->fifosize)) {
dev_err(&pdev->dev,
"Unable to find fifosize in uart node.\n");
ret = -EFAULT;
goto err;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "Insufficient resources.\n");
ret = -EFAULT;
goto err;
}
port->mapbase = res->start;
port->membase = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!port->membase) {
dev_err(&pdev->dev, "Cannot remap resource.\n");
ret = -ENOMEM;
goto err;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "Insufficient resources.\n");
ret = -EFAULT;
goto irq_err;
}
port->irq = res->start;
if (sirfport->hw_flow_ctrl) {
sirfport->p = pinctrl_get_select_default(&pdev->dev);
ret = IS_ERR(sirfport->p);
if (ret)
goto pin_err;
}
port->ops = &sirfsoc_uart_ops;
spin_lock_init(&port->lock);
platform_set_drvdata(pdev, sirfport);
ret = uart_add_one_port(&sirfsoc_uart_drv, port);
if (ret != 0) {
dev_err(&pdev->dev, "Cannot add UART port(%d).\n", pdev->id);
goto port_err;
}
return 0;
port_err:
platform_set_drvdata(pdev, NULL);
if (sirfport->hw_flow_ctrl)
pinctrl_put(sirfport->p);
pin_err:
irq_err:
devm_iounmap(&pdev->dev, port->membase);
err:
return ret;
}
static ssize_t hwevent_store_setreg(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
struct hwevent_drvdata *drvdata = dev_get_drvdata(dev->parent);
void *hwereg;
unsigned long long addr;
unsigned long val;
int ret, i;
if (sscanf(buf, "%llx %lx", &addr, &val) != 2)
return -EINVAL;
mutex_lock(&drvdata->mutex);
ret = hwevent_enable(drvdata);
if (ret) {
mutex_unlock(&drvdata->mutex);
return ret;
}
for (i = 0; i < drvdata->nr_hmux; i++) {
if ((addr >= drvdata->hmux[i].start) &&
(addr < drvdata->hmux[i].end)) {
hwereg = devm_ioremap(dev,
drvdata->hmux[i].start,
drvdata->hmux[i].end -
drvdata->hmux[i].start);
if (!hwereg) {
dev_err(dev, "unable to map address 0x%llx\n",
addr);
ret = -ENOMEM;
goto err;
}
writel_relaxed(val, hwereg + addr -
drvdata->hmux[i].start);
/* Ensure writes to hwevent control registers
are completed before unmapping the address
*/
mb();
devm_iounmap(dev, hwereg);
break;
}
}
if (i == drvdata->nr_hmux) {
ret = coresight_csr_hwctrl_set(addr, val);
if (ret) {
dev_err(dev, "invalid mux control register address\n");
ret = -EINVAL;
goto err;
}
}
hwevent_disable(drvdata);
mutex_unlock(&drvdata->mutex);
return size;
err:
hwevent_disable(drvdata);
mutex_unlock(&drvdata->mutex);
return ret;
}
int cp_watchdog_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct resource *res;
int ret = -EINVAL;
u32 type;
cp_watchdog = devm_kzalloc(&pdev->dev,
sizeof(struct cp_watchdog), GFP_KERNEL);
if (!cp_watchdog)
return -ENOMEM;
if (of_property_read_u32(np, "watchdog-type", &type)) {
dev_err(&pdev->dev, "%s: no watchdog type defined\n", __func__);
ret = -EINVAL;
goto freemem;
}
dev_info(&pdev->dev, "%s: watchdog type %d\n", __func__, type);
switch (type) {
case cp_wdt_type_wdt_timer:
cp_watchdog->data = devm_kzalloc(&pdev->dev,
sizeof(struct wdt_timer), GFP_KERNEL);
if (!cp_watchdog->data) {
ret = -ENOMEM;
goto freemem;
}
cp_watchdog->ops = &wdt_timer_ops;
break;
case cp_wdt_type_soc_timer:
cp_watchdog->data = devm_kzalloc(&pdev->dev,
sizeof(struct soc_timer), GFP_KERNEL);
if (!cp_watchdog->data) {
ret = -ENOMEM;
goto freemem;
}
cp_watchdog->ops = &soc_timer_ops;
if (of_property_read_u32(np, "timer-num",
&cp_watchdog->timer_num)) {
dev_err(&pdev->dev,
"%s: no timer num defined\n", __func__);
ret = -EINVAL;
goto freemem;
}
if (of_property_read_u32(np, "match-num",
&cp_watchdog->match_num)) {
dev_err(&pdev->dev,
"%s: no match num defined\n", __func__);
ret = -EINVAL;
goto freemem;
}
dev_info(&pdev->dev,
"%s: timer-num %u, match-num %u\n", __func__,
cp_watchdog->timer_num, cp_watchdog->match_num);
break;
case cp_wdt_type_cp_timer:
cp_watchdog->data = devm_kzalloc(&pdev->dev,
sizeof(struct cp_timer), GFP_KERNEL);
if (!cp_watchdog->data) {
ret = -ENOMEM;
goto freemem;
}
cp_watchdog->ops = &cp_timer_ops;
break;
default:
dev_err(&pdev->dev, "%s: wrong watchdog type %u\n",
__func__, type);
ret = -EINVAL;
goto freemem;
}
cp_watchdog->irq = platform_get_irq(pdev, 0);
if (cp_watchdog->irq < 0) {
dev_err(&pdev->dev, "%s: no irq defined\n", __func__);
ret = -ENXIO;
goto freemem;
}
if (cp_wdt_type_cp_timer != type) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "%s: no iomem defined\n", __func__);
ret = -ENOMEM;
goto freemem;
}
#ifdef REQUEST_MEM_REGION
if (!devm_request_mem_region(&pdev->dev, res->start,
resource_size(res), "cp-watchdog")) {
dev_err(&pdev->dev,
"%s: can't request region for resource %pR\n",
__func__, res);
ret = -EINVAL;
goto freemem;
}
#endif
cp_watchdog->base = devm_ioremap_nocache(&pdev->dev,
res->start, resource_size(res));
if (!cp_watchdog->base) {
dev_err(&pdev->dev,
"%s: map res %lx - %lx failed\n",
__func__, (unsigned long)res->start,
(unsigned long)res->end);
ret = -ENOMEM;
goto freememreg;
}
}
if (cp_watchdog->ops->init && cp_watchdog->ops->init(cp_watchdog) < 0) {
pr_err("%s: init watchdog error\n", __func__);
ret = -ENODEV;
goto freeiomap;
}
cp_watchdog->type = type;
platform_set_drvdata(pdev, cp_watchdog);
dev_info(&pdev->dev, "%s: init watchdog success\n", __func__);
return 0;
freeiomap:
if (cp_wdt_type_cp_timer != type)
devm_iounmap(&pdev->dev, cp_watchdog->base);
freememreg:
#ifdef REQUEST_MEM_REGION
if (cp_wdt_type_cp_timer != type)
devm_release_mem_region(&pdev->dev, res->start,
resource_size(res));
#endif
freemem:
devm_kfree(&pdev->dev, cp_watchdog->data);
devm_kfree(&pdev->dev, cp_watchdog);
cp_watchdog = NULL;
return ret;
}
static int hi6401_irq_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct hi6401_irq *irq = NULL;
enum of_gpio_flags flags;
unsigned int virq;
int ret = 0;
int i;
irq = devm_kzalloc(dev, sizeof(*irq), GFP_KERNEL);
if (!irq) {
dev_err(dev, "cannot allocate hi6401_irq device info\n");
return -ENOMEM;
}
platform_set_drvdata(pdev, irq);
/* get resources */
irq->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!irq->res) {
dev_err(dev, "platform_get_resource err\n");
goto err_exit;
}
if (!devm_request_mem_region(dev, irq->res->start,
resource_size(irq->res),
pdev->name)) {
dev_err(dev, "cannot claim register memory\n");
goto err_exit;
}
irq->reg_base_addr = devm_ioremap(dev, irq->res->start,
resource_size(irq->res));
if (!irq->reg_base_addr) {
dev_err(dev, "cannot map register memory\n");
goto ioremap_err;
}
/* get pinctrl */
irq->pctrl = devm_pinctrl_get(dev);
if (IS_ERR(irq->pctrl)) {
dev_err(dev, "could not get pinctrl\n");
goto codec_ssi_get_err;
}
ret = codec_ssi_iomux_default(irq->pctrl);
if (0 != ret)
goto codec_ssi_iomux_err;
/* get codec ssi clk */
irq->codec_ssi_clk = devm_clk_get(dev, "clk_codecssi");
if (IS_ERR(irq->codec_ssi_clk)) {
pr_err("clk_get: codecssi clk not found!\n");
ret = PTR_ERR(irq->codec_ssi_clk);
goto codec_ssi_clk_err;
}
ret = clk_prepare_enable(irq->codec_ssi_clk);
if (0 != ret) {
pr_err("codec_ssi_clk :clk prepare enable failed !\n");
goto codec_ssi_clk_enable_err;
}
/* get pmu audio clk */
irq->pmu_audio_clk = devm_clk_get(dev, "clk_pmuaudioclk");
if (IS_ERR(irq->pmu_audio_clk)) {
pr_err("_clk_get: pmu_audio_clk not found!\n");
ret = PTR_ERR(irq->pmu_audio_clk);
goto pmu_audio_clk_err;
}
ret = clk_prepare_enable(irq->pmu_audio_clk);
if (0 != ret) {
pr_err("pmu_audio_clk :clk prepare enable failed !\n");
goto pmu_audio_clk_enable_err;
}
spin_lock_init(&irq->lock);
spin_lock_init(&irq->rw_lock);
mutex_init(&irq->sr_mutex);
mutex_init(&irq->pll_mutex);
wake_lock_init(&irq->wake_lock, WAKE_LOCK_SUSPEND, "hi6401-irq");
irq->dev = dev;
/* clear IRQ status */
hi6401_irq_write(irq, HI6401_REG_IRQ_0, 0xFF);
hi6401_irq_write(irq, HI6401_REG_IRQ_1, 0xFF);
/* mask all irqs */
hi6401_irq_write(irq, HI6401_REG_IRQM_0, 0xFF);
hi6401_irq_write(irq, HI6401_REG_IRQM_1, 0xFF);
irq->gpio = of_get_gpio_flags(np, 0, &flags);
if (0 > irq->gpio) {
dev_err(dev, "get gpio flags error\n");
ret = irq->gpio;
goto get_gpio_err;
}
if (!gpio_is_valid(irq->gpio)) {
dev_err(dev, "gpio is invalid\n");
ret = -EINVAL;
goto get_gpio_err;
}
ret = gpio_request_one(irq->gpio, GPIOF_IN, "hi6401_irq");
if (0 > ret) {
dev_err(dev, "failed to request gpio%d\n", irq->gpio);
goto get_gpio_err;
}
irq->irq = gpio_to_irq(irq->gpio);
irq->domain = irq_domain_add_simple(np, HI6401_MAX_IRQS, 0,
&hi6401_domain_ops, irq);
if (!irq->domain) {
dev_err(dev, "irq domain error\n");
ret = -ENODEV;
goto gpio_err;
}
for (i = 0; i < HI6401_MAX_IRQS; i++) {
virq = irq_create_mapping(irq->domain, i);
if (virq == NO_IRQ) {
dev_err(dev, "Failed mapping hwirq\n");
ret = -ENOSPC;
goto gpio_err;
}
irq->irqs[i] = virq;
}
ret = request_irq(irq->irq, hi6401_irq_handler,
IRQF_TRIGGER_LOW | IRQF_NO_SUSPEND,
"hi6401_irq", irq);
if (0 > ret) {
dev_err(dev, "could not claim irq %d\n", ret);
ret = -ENODEV;
goto gpio_err;
}
irq->hi6401_irq_delay_wq = create_singlethread_workqueue("hi6401_irq_delay_wq");
if (!(irq->hi6401_irq_delay_wq)) {
pr_err("%s(%u) : workqueue create failed", __FUNCTION__,__LINE__);
ret = -ENOMEM;
goto irq_delay_wq_err;
}
INIT_DELAYED_WORK(&irq->hi6401_irq_delay_work, hi6401_irq_work_func);
irq->pll_delay_wq = create_singlethread_workqueue("pll_delay_wq");
if (!(irq->pll_delay_wq)) {
pr_err("%s : pll_delay_wq create failed", __FUNCTION__);
ret = -ENOMEM;
goto pll_delay_wq_err;
}
INIT_DELAYED_WORK(&irq->pll_delay_work, hi6401_pll_work_func);
g_dump_buf = (char*)kmalloc(sizeof(char)*Hi6401_SIZE_MAX, GFP_KERNEL);
if (!g_dump_buf)
{
pr_err("%s : couldn't malloc buffer.\n",__FUNCTION__);
ret = -ENOMEM;
goto g_dump_buf_kmalloc_err;
}
memset(g_dump_buf, 0, Hi6401_SIZE_MAX);
/* populate sub nodes */
of_platform_populate(np, of_hi6401_irq_child_match_tbl, NULL, dev);
if (!hi6401_client) {
hi6401_client = dsm_register_client(&dsm_hi6401);
}
return 0;
g_dump_buf_kmalloc_err:
if(irq->pll_delay_wq) {
cancel_delayed_work(&irq->pll_delay_work);
flush_workqueue(irq->pll_delay_wq);
destroy_workqueue(irq->pll_delay_wq);
}
pll_delay_wq_err:
if(irq->hi6401_irq_delay_wq) {
cancel_delayed_work(&irq->hi6401_irq_delay_work);
flush_workqueue(irq->hi6401_irq_delay_wq);
destroy_workqueue(irq->hi6401_irq_delay_wq);
}
irq_delay_wq_err:
free_irq(irq->irq, irq);
gpio_err:
gpio_free(irq->gpio);
get_gpio_err:
clk_disable_unprepare(irq->pmu_audio_clk);
pmu_audio_clk_enable_err:
devm_clk_put(dev, irq->pmu_audio_clk);
pmu_audio_clk_err:
clk_disable_unprepare(irq->codec_ssi_clk);
codec_ssi_clk_enable_err:
devm_clk_put(dev, irq->codec_ssi_clk);
codec_ssi_clk_err:
codec_ssi_iomux_idle(irq->pctrl);
codec_ssi_iomux_err:
pinctrl_put(irq->pctrl);
codec_ssi_get_err:
devm_iounmap(dev, irq->reg_base_addr);
ioremap_err:
devm_release_mem_region(dev, irq->res->start,
resource_size(irq->res));
err_exit:
devm_kfree(dev, irq);
return ret;
}
