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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-08-06 18:10:25 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-08-06 18:10:25 +0100
commitf165eb77f49cb6f6e86e2f2f09183904b2965d19 (patch)
treedb166579758930f52a1a625eb872bd96bd7ff88e /drivers
parentfc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff)
parenta6cd7eb374647b572ae9e7dbfe49871e6996e8e0 (diff)
downloadop-kernel-dev-f165eb77f49cb6f6e86e2f2f09183904b2965d19.zip
op-kernel-dev-f165eb77f49cb6f6e86e2f2f09183904b2965d19.tar.gz
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
Conflicts: arch/arm/mach-pxa/palmt5.c arch/arm/mach-pxa/palmtreo.c
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/Kconfig11
-rw-r--r--drivers/ata/Makefile2
-rw-r--r--drivers/ata/pata_pxa.c411
-rw-r--r--drivers/pcmcia/Kconfig2
-rw-r--r--drivers/pcmcia/Makefile1
-rw-r--r--drivers/pcmcia/pxa2xx_balloon3.c158
-rw-r--r--drivers/power/wm97xx_battery.c16
7 files changed, 584 insertions, 17 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index aa85a98..25e030f 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -642,6 +642,17 @@ config PATA_VIA
If unsure, say N.
+config PATA_PXA
+ tristate "PXA DMA-capable PATA support"
+ depends on ARCH_PXA
+ help
+ This option enables support for harddrive attached to PXA CPU's bus.
+
+ NOTE: This driver utilizes PXA DMA controller, in case your hardware
+ is not capable of doing MWDMA, use pata_platform instead.
+
+ If unsure, say N.
+
config PATA_WINBOND
tristate "Winbond SL82C105 PATA support"
depends on PCI
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 7ef89d7..e87d644 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -89,6 +89,8 @@ obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o
obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o
obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o
+obj-$(CONFIG_PATA_PXA) += pata_pxa.o
+
# Should be last but two libata driver
obj-$(CONFIG_PATA_ACPI) += pata_acpi.o
# Should be last but one libata driver
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
new file mode 100644
index 0000000..1898c6e
--- /dev/null
+++ b/drivers/ata/pata_pxa.c
@@ -0,0 +1,411 @@
+/*
+ * Generic PXA PATA driver
+ *
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/ata.h>
+#include <linux/libata.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/completion.h>
+
+#include <scsi/scsi_host.h>
+
+#include <mach/pxa2xx-regs.h>
+#include <mach/pata_pxa.h>
+#include <mach/dma.h>
+
+#define DRV_NAME "pata_pxa"
+#define DRV_VERSION "0.1"
+
+struct pata_pxa_data {
+ uint32_t dma_channel;
+ struct pxa_dma_desc *dma_desc;
+ dma_addr_t dma_desc_addr;
+ uint32_t dma_desc_id;
+
+ /* DMA IO physical address */
+ uint32_t dma_io_addr;
+ /* PXA DREQ<0:2> pin selector */
+ uint32_t dma_dreq;
+ /* DMA DCSR register value */
+ uint32_t dma_dcsr;
+
+ struct completion dma_done;
+};
+
+/*
+ * Setup the DMA descriptors. The size is transfer capped at 4k per descriptor,
+ * if the transfer is longer, it is split into multiple chained descriptors.
+ */
+static void pxa_load_dmac(struct scatterlist *sg, struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+
+ uint32_t cpu_len, seg_len;
+ dma_addr_t cpu_addr;
+
+ cpu_addr = sg_dma_address(sg);
+ cpu_len = sg_dma_len(sg);
+
+ do {
+ seg_len = (cpu_len > 0x1000) ? 0x1000 : cpu_len;
+
+ pd->dma_desc[pd->dma_desc_id].ddadr = pd->dma_desc_addr +
+ ((pd->dma_desc_id + 1) * sizeof(struct pxa_dma_desc));
+
+ pd->dma_desc[pd->dma_desc_id].dcmd = DCMD_BURST32 |
+ DCMD_WIDTH2 | (DCMD_LENGTH & seg_len);
+
+ if (qc->tf.flags & ATA_TFLAG_WRITE) {
+ pd->dma_desc[pd->dma_desc_id].dsadr = cpu_addr;
+ pd->dma_desc[pd->dma_desc_id].dtadr = pd->dma_io_addr;
+ pd->dma_desc[pd->dma_desc_id].dcmd |= DCMD_INCSRCADDR |
+ DCMD_FLOWTRG;
+ } else {
+ pd->dma_desc[pd->dma_desc_id].dsadr = pd->dma_io_addr;
+ pd->dma_desc[pd->dma_desc_id].dtadr = cpu_addr;
+ pd->dma_desc[pd->dma_desc_id].dcmd |= DCMD_INCTRGADDR |
+ DCMD_FLOWSRC;
+ }
+
+ cpu_len -= seg_len;
+ cpu_addr += seg_len;
+ pd->dma_desc_id++;
+
+ } while (cpu_len);
+
+ /* Should not happen */
+ if (seg_len & 0x1f)
+ DALGN |= (1 << pd->dma_dreq);
+}
+
+/*
+ * Prepare taskfile for submission.
+ */
+static void pxa_qc_prep(struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+ int si = 0;
+ struct scatterlist *sg;
+
+ if (!(qc->flags & ATA_QCFLAG_DMAMAP))
+ return;
+
+ pd->dma_desc_id = 0;
+
+ DCSR(pd->dma_channel) = 0;
+ DALGN &= ~(1 << pd->dma_dreq);
+
+ for_each_sg(qc->sg, sg, qc->n_elem, si)
+ pxa_load_dmac(sg, qc);
+
+ pd->dma_desc[pd->dma_desc_id - 1].ddadr = DDADR_STOP;
+
+ /* Fire IRQ only at the end of last block */
+ pd->dma_desc[pd->dma_desc_id - 1].dcmd |= DCMD_ENDIRQEN;
+
+ DDADR(pd->dma_channel) = pd->dma_desc_addr;
+ DRCMR(pd->dma_dreq) = DRCMR_MAPVLD | pd->dma_channel;
+
+}
+
+/*
+ * Configure the DMA controller, load the DMA descriptors, but don't start the
+ * DMA controller yet. Only issue the ATA command.
+ */
+static void pxa_bmdma_setup(struct ata_queued_cmd *qc)
+{
+ qc->ap->ops->sff_exec_command(qc->ap, &qc->tf);
+}
+
+/*
+ * Execute the DMA transfer.
+ */
+static void pxa_bmdma_start(struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+ init_completion(&pd->dma_done);
+ DCSR(pd->dma_channel) = DCSR_RUN;
+}
+
+/*
+ * Wait until the DMA transfer completes, then stop the DMA controller.
+ */
+static void pxa_bmdma_stop(struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+
+ if ((DCSR(pd->dma_channel) & DCSR_RUN) &&
+ wait_for_completion_timeout(&pd->dma_done, HZ))
+ dev_err(qc->ap->dev, "Timeout waiting for DMA completion!");
+
+ DCSR(pd->dma_channel) = 0;
+}
+
+/*
+ * Read DMA status. The bmdma_stop() will take care of properly finishing the
+ * DMA transfer so we always have DMA-complete interrupt here.
+ */
+static unsigned char pxa_bmdma_status(struct ata_port *ap)
+{
+ struct pata_pxa_data *pd = ap->private_data;
+ unsigned char ret = ATA_DMA_INTR;
+
+ if (pd->dma_dcsr & DCSR_BUSERR)
+ ret |= ATA_DMA_ERR;
+
+ return ret;
+}
+
+/*
+ * No IRQ register present so we do nothing.
+ */
+static void pxa_irq_clear(struct ata_port *ap)
+{
+}
+
+/*
+ * Check for ATAPI DMA. ATAPI DMA is unsupported by this driver. It's still
+ * unclear why ATAPI has DMA issues.
+ */
+static int pxa_check_atapi_dma(struct ata_queued_cmd *qc)
+{
+ return -EOPNOTSUPP;
+}
+
+static struct scsi_host_template pxa_ata_sht = {
+ ATA_BMDMA_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations pxa_ata_port_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = ata_cable_40wire,
+
+ .bmdma_setup = pxa_bmdma_setup,
+ .bmdma_start = pxa_bmdma_start,
+ .bmdma_stop = pxa_bmdma_stop,
+ .bmdma_status = pxa_bmdma_status,
+
+ .check_atapi_dma = pxa_check_atapi_dma,
+
+ .sff_irq_clear = pxa_irq_clear,
+
+ .qc_prep = pxa_qc_prep,
+};
+
+/*
+ * DMA interrupt handler.
+ */
+static void pxa_ata_dma_irq(int dma, void *port)
+{
+ struct ata_port *ap = port;
+ struct pata_pxa_data *pd = ap->private_data;
+
+ pd->dma_dcsr = DCSR(dma);
+ DCSR(dma) = pd->dma_dcsr;
+
+ if (pd->dma_dcsr & DCSR_STOPSTATE)
+ complete(&pd->dma_done);
+}
+
+static int __devinit pxa_ata_probe(struct platform_device *pdev)
+{
+ struct ata_host *host;
+ struct ata_port *ap;
+ struct pata_pxa_data *data;
+ struct resource *cmd_res;
+ struct resource *ctl_res;
+ struct resource *dma_res;
+ struct resource *irq_res;
+ struct pata_pxa_pdata *pdata = pdev->dev.platform_data;
+ int ret = 0;
+
+ /*
+ * Resource validation, three resources are needed:
+ * - CMD port base address
+ * - CTL port base address
+ * - DMA port base address
+ * - IRQ pin
+ */
+ if (pdev->num_resources != 4) {
+ dev_err(&pdev->dev, "invalid number of resources\n");
+ return -EINVAL;
+ }
+
+ /*
+ * CMD port base address
+ */
+ cmd_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (unlikely(cmd_res == NULL))
+ return -EINVAL;
+
+ /*
+ * CTL port base address
+ */
+ ctl_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (unlikely(ctl_res == NULL))
+ return -EINVAL;
+
+ /*
+ * DMA port base address
+ */
+ dma_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (unlikely(dma_res == NULL))
+ return -EINVAL;
+
+ /*
+ * IRQ pin
+ */
+ irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (unlikely(irq_res == NULL))
+ return -EINVAL;
+
+ /*
+ * Allocate the host
+ */
+ host = ata_host_alloc(&pdev->dev, 1);
+ if (!host)
+ return -ENOMEM;
+
+ ap = host->ports[0];
+ ap->ops = &pxa_ata_port_ops;
+ ap->pio_mask = ATA_PIO4;
+ ap->mwdma_mask = ATA_MWDMA2;
+ ap->flags = ATA_FLAG_MMIO;
+
+ ap->ioaddr.cmd_addr = devm_ioremap(&pdev->dev, cmd_res->start,
+ resource_size(cmd_res));
+ ap->ioaddr.ctl_addr = devm_ioremap(&pdev->dev, ctl_res->start,
+ resource_size(ctl_res));
+ ap->ioaddr.bmdma_addr = devm_ioremap(&pdev->dev, dma_res->start,
+ resource_size(dma_res));
+
+ /*
+ * Adjust register offsets
+ */
+ ap->ioaddr.altstatus_addr = ap->ioaddr.ctl_addr;
+ ap->ioaddr.data_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_DATA << pdata->reg_shift);
+ ap->ioaddr.error_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_ERR << pdata->reg_shift);
+ ap->ioaddr.feature_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_FEATURE << pdata->reg_shift);
+ ap->ioaddr.nsect_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_NSECT << pdata->reg_shift);
+ ap->ioaddr.lbal_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_LBAL << pdata->reg_shift);
+ ap->ioaddr.lbam_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_LBAM << pdata->reg_shift);
+ ap->ioaddr.lbah_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_LBAH << pdata->reg_shift);
+ ap->ioaddr.device_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_DEVICE << pdata->reg_shift);
+ ap->ioaddr.status_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_STATUS << pdata->reg_shift);
+ ap->ioaddr.command_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_CMD << pdata->reg_shift);
+
+ /*
+ * Allocate and load driver's internal data structure
+ */
+ data = devm_kzalloc(&pdev->dev, sizeof(struct pata_pxa_data),
+ GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ ap->private_data = data;
+ data->dma_dreq = pdata->dma_dreq;
+ data->dma_io_addr = dma_res->start;
+
+ /*
+ * Allocate space for the DMA descriptors
+ */
+ data->dma_desc = dmam_alloc_coherent(&pdev->dev, PAGE_SIZE,
+ &data->dma_desc_addr, GFP_KERNEL);
+ if (!data->dma_desc)
+ return -EINVAL;
+
+ /*
+ * Request the DMA channel
+ */
+ data->dma_channel = pxa_request_dma(DRV_NAME, DMA_PRIO_LOW,
+ pxa_ata_dma_irq, ap);
+ if (data->dma_channel < 0)
+ return -EBUSY;
+
+ /*
+ * Stop and clear the DMA channel
+ */
+ DCSR(data->dma_channel) = 0;
+
+ /*
+ * Activate the ATA host
+ */
+ ret = ata_host_activate(host, irq_res->start, ata_sff_interrupt,
+ pdata->irq_flags, &pxa_ata_sht);
+ if (ret)
+ pxa_free_dma(data->dma_channel);
+
+ return ret;
+}
+
+static int __devexit pxa_ata_remove(struct platform_device *pdev)
+{
+ struct ata_host *host = dev_get_drvdata(&pdev->dev);
+ struct pata_pxa_data *data = host->ports[0]->private_data;
+
+ pxa_free_dma(data->dma_channel);
+
+ ata_host_detach(host);
+
+ return 0;
+}
+
+static struct platform_driver pxa_ata_driver = {
+ .probe = pxa_ata_probe,
+ .remove = __devexit_p(pxa_ata_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init pxa_ata_init(void)
+{
+ return platform_driver_register(&pxa_ata_driver);
+}
+
+static void __exit pxa_ata_exit(void)
+{
+ platform_driver_unregister(&pxa_ata_driver);
+}
+
+module_init(pxa_ata_init);
+module_exit(pxa_ata_exit);
+
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("DMA-capable driver for PATA on PXA CPU");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index c988514..c80a7a6 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -215,7 +215,7 @@ config PCMCIA_PXA2XX
depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
|| MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
|| ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \
- || MACH_VPAC270)
+ || MACH_VPAC270 || MACH_BALLOON3)
select PCMCIA_SOC_COMMON
help
Say Y here to include support for the PXA2xx PCMCIA controller
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index d006e8be..6a60773 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -70,6 +70,7 @@ pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o
pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o
pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o
pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o
+pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o
obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y)
diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c
new file mode 100644
index 0000000..dbbdd00
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_balloon3.c
@@ -0,0 +1,158 @@
+/*
+ * linux/drivers/pcmcia/pxa2xx_balloon3.c
+ *
+ * Balloon3 PCMCIA specific routines.
+ *
+ * Author: Nick Bane
+ * Created: June, 2006
+ * Copyright: Toby Churchill Ltd
+ * Derived from pxa2xx_mainstone.c, by Nico Pitre
+ *
+ * Various modification by Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/balloon3.h>
+
+#include "soc_common.h"
+
+/*
+ * These are a list of interrupt sources that provokes a polled
+ * check of status
+ */
+static struct pcmcia_irqs irqs[] = {
+ { 0, BALLOON3_S0_CD_IRQ, "PCMCIA0 CD" },
+ { 0, BALLOON3_BP_NSTSCHG_IRQ, "PCMCIA0 STSCHG" },
+};
+
+static int balloon3_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ uint16_t ver;
+ int ret;
+ static void __iomem *fpga_ver;
+
+ ver = __raw_readw(BALLOON3_FPGA_VER);
+ if (ver > 0x0201)
+ pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. "
+ "PCMCIA/CF support might be broken in this version!",
+ ver);
+
+ skt->socket.pci_irq = BALLOON3_BP_CF_NRDY_IRQ;
+ return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+}
+
+static void balloon3_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
+}
+
+static unsigned long balloon3_pcmcia_status[2] = {
+ BALLOON3_CF_nSTSCHG_BVD1,
+ BALLOON3_CF_nSTSCHG_BVD1
+};
+
+static void balloon3_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ uint16_t status;
+ int flip;
+
+ /* This actually reads the STATUS register */
+ status = __raw_readw(BALLOON3_CF_STATUS_REG);
+ flip = (status ^ balloon3_pcmcia_status[skt->nr])
+ & BALLOON3_CF_nSTSCHG_BVD1;
+ /*
+ * Workaround for STSCHG which can't be deasserted:
+ * We therefore disable/enable corresponding IRQs
+ * as needed to avoid IRQ locks.
+ */
+ if (flip) {
+ balloon3_pcmcia_status[skt->nr] = status;
+ if (status & BALLOON3_CF_nSTSCHG_BVD1)
+ enable_irq(BALLOON3_BP_NSTSCHG_IRQ);
+ else
+ disable_irq(BALLOON3_BP_NSTSCHG_IRQ);
+ }
+
+ state->detect = !gpio_get_value(BALLOON3_GPIO_S0_CD);
+ state->ready = !!(status & BALLOON3_CF_nIRQ);
+ state->bvd1 = !!(status & BALLOON3_CF_nSTSCHG_BVD1);
+ state->bvd2 = 0; /* not available */
+ state->vs_3v = 1; /* Always true its a CF card */
+ state->vs_Xv = 0; /* not available */
+ state->wrprot = 0; /* not available */
+}
+
+static int balloon3_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ __raw_writew((state->flags & SS_RESET) ? BALLOON3_CF_RESET : 0,
+ BALLOON3_CF_CONTROL_REG);
+ return 0;
+}
+
+static void balloon3_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+}
+
+static void balloon3_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+}
+
+static struct pcmcia_low_level balloon3_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = balloon3_pcmcia_hw_init,
+ .hw_shutdown = balloon3_pcmcia_hw_shutdown,
+ .socket_state = balloon3_pcmcia_socket_state,
+ .configure_socket = balloon3_pcmcia_configure_socket,
+ .socket_init = balloon3_pcmcia_socket_init,
+ .socket_suspend = balloon3_pcmcia_socket_suspend,
+ .first = 0,
+ .nr = 1,
+};
+
+static struct platform_device *balloon3_pcmcia_device;
+
+static int __init balloon3_pcmcia_init(void)
+{
+ int ret;
+
+ balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+ if (!balloon3_pcmcia_device)
+ return -ENOMEM;
+
+ ret = platform_device_add_data(balloon3_pcmcia_device,
+ &balloon3_pcmcia_ops, sizeof(balloon3_pcmcia_ops));
+
+ if (!ret)
+ ret = platform_device_add(balloon3_pcmcia_device);
+
+ if (ret)
+ platform_device_put(balloon3_pcmcia_device);
+
+ return ret;
+}
+
+static void __exit balloon3_pcmcia_exit(void)
+{
+ platform_device_unregister(balloon3_pcmcia_device);
+}
+
+module_init(balloon3_pcmcia_init);
+module_exit(balloon3_pcmcia_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Nick Bane <nick@cecomputing.co.uk>");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
+MODULE_DESCRIPTION("Balloon3 board CF/PCMCIA driver");
diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index 4e8afce..5071d85 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -29,7 +29,6 @@ static DEFINE_MUTEX(bat_lock);
static struct work_struct bat_work;
static struct mutex work_lock;
static int bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
-static struct wm97xx_batt_info *gpdata;
static enum power_supply_property *prop;
static unsigned long wm97xx_read_bat(struct power_supply *bat_ps)
@@ -172,12 +171,6 @@ static int __devinit wm97xx_bat_probe(struct platform_device *dev)
struct wm97xx_pdata *wmdata = dev->dev.platform_data;
struct wm97xx_batt_pdata *pdata;
- if (gpdata) {
- dev_err(&dev->dev, "Do not pass platform_data through "
- "wm97xx_bat_set_pdata!\n");
- return -EINVAL;
- }
-
if (!wmdata) {
dev_err(&dev->dev, "No platform data supplied\n");
return -EINVAL;
@@ -308,15 +301,6 @@ static void __exit wm97xx_bat_exit(void)
platform_driver_unregister(&wm97xx_bat_driver);
}
-/* The interface is deprecated, as well as linux/wm97xx_batt.h */
-void wm97xx_bat_set_pdata(struct wm97xx_batt_info *data);
-
-void wm97xx_bat_set_pdata(struct wm97xx_batt_info *data)
-{
- gpdata = data;
-}
-EXPORT_SYMBOL_GPL(wm97xx_bat_set_pdata);
-
module_init(wm97xx_bat_init);
module_exit(wm97xx_bat_exit);
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