686 lines
17 KiB
C
686 lines
17 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <linux/mmc/sdio.h>
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#include <linux/mmc/core.h>
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#include <linux/mmc/sdio_func.h>
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#include <linux/mmc/sdio_ids.h>
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#include <linux/mmc/card.h>
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#include <linux/suspend.h>
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#include <linux/errno.h>
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#include <linux/sched.h> /* request_irq() */
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <net/cfg80211.h>
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#include <defs.h>
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#include <brcm_hw_ids.h>
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#include <brcmu_utils.h>
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#include <brcmu_wifi.h>
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#include "sdio_host.h"
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#include "dhd_dbg.h"
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#include "dhd_bus.h"
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#define SDIO_VENDOR_ID_BROADCOM 0x02d0
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#define DMA_ALIGN_MASK 0x03
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#define SDIO_DEVICE_ID_BROADCOM_43241 0x4324
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#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329
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#define SDIO_DEVICE_ID_BROADCOM_4330 0x4330
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#define SDIO_DEVICE_ID_BROADCOM_4334 0x4334
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#define SDIO_FUNC1_BLOCKSIZE 64
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#define SDIO_FUNC2_BLOCKSIZE 512
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/* devices we support, null terminated */
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static const struct sdio_device_id brcmf_sdmmc_ids[] = {
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_43241)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4330)},
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{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4334)},
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{ /* end: all zeroes */ },
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};
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MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
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#ifdef CONFIG_BRCMFMAC_SDIO_OOB
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static struct list_head oobirq_lh;
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struct brcmf_sdio_oobirq {
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unsigned int irq;
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unsigned long flags;
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struct list_head list;
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};
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#endif /* CONFIG_BRCMFMAC_SDIO_OOB */
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static bool
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brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
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{
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bool is_err = false;
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#ifdef CONFIG_PM_SLEEP
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is_err = atomic_read(&sdiodev->suspend);
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#endif
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return is_err;
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}
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static void
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brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq)
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{
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#ifdef CONFIG_PM_SLEEP
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int retry = 0;
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while (atomic_read(&sdiodev->suspend) && retry++ != 30)
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wait_event_timeout(*wq, false, HZ/100);
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#endif
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}
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static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
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uint regaddr, u8 *byte)
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{
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struct sdio_func *sdfunc = sdiodev->func[0];
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int err_ret;
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/*
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* Can only directly write to some F0 registers.
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* Handle F2 enable/disable and Abort command
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* as a special case.
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*/
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if (regaddr == SDIO_CCCR_IOEx) {
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sdfunc = sdiodev->func[2];
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if (sdfunc) {
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if (*byte & SDIO_FUNC_ENABLE_2) {
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/* Enable Function 2 */
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err_ret = sdio_enable_func(sdfunc);
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if (err_ret)
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brcmf_err("enable F2 failed:%d\n",
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err_ret);
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} else {
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/* Disable Function 2 */
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err_ret = sdio_disable_func(sdfunc);
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if (err_ret)
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brcmf_err("Disable F2 failed:%d\n",
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err_ret);
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}
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}
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} else if ((regaddr == SDIO_CCCR_ABORT) ||
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(regaddr == SDIO_CCCR_IENx)) {
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sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
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GFP_KERNEL);
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if (!sdfunc)
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return -ENOMEM;
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sdfunc->num = 0;
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sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
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kfree(sdfunc);
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} else if (regaddr < 0xF0) {
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brcmf_err("F0 Wr:0x%02x: write disallowed\n", regaddr);
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err_ret = -EPERM;
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} else {
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sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
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}
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return err_ret;
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}
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int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
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uint regaddr, u8 *byte)
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{
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int err_ret;
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brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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if (rw && func == 0) {
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/* handle F0 separately */
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err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
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} else {
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if (rw) /* CMD52 Write */
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sdio_writeb(sdiodev->func[func], *byte, regaddr,
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&err_ret);
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else if (func == 0) {
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*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
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&err_ret);
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} else {
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*byte = sdio_readb(sdiodev->func[func], regaddr,
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&err_ret);
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}
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}
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if (err_ret)
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brcmf_err("Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
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rw ? "write" : "read", func, regaddr, *byte, err_ret);
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return err_ret;
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}
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int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
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uint rw, uint func, uint addr, u32 *word,
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uint nbytes)
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{
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int err_ret = -EIO;
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if (func == 0) {
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brcmf_err("Only CMD52 allowed to F0\n");
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return -EINVAL;
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}
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brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
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rw, func, addr, nbytes);
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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if (rw) { /* CMD52 Write */
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if (nbytes == 4)
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sdio_writel(sdiodev->func[func], *word, addr,
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&err_ret);
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else if (nbytes == 2)
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sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
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addr, &err_ret);
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else
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brcmf_err("Invalid nbytes: %d\n", nbytes);
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} else { /* CMD52 Read */
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if (nbytes == 4)
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*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
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else if (nbytes == 2)
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*word = sdio_readw(sdiodev->func[func], addr,
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&err_ret) & 0xFFFF;
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else
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brcmf_err("Invalid nbytes: %d\n", nbytes);
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}
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if (err_ret)
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brcmf_err("Failed to %s word, Err: 0x%08x\n",
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rw ? "write" : "read", err_ret);
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return err_ret;
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}
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/* precondition: host controller is claimed */
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static int
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brcmf_sdioh_request_data(struct brcmf_sdio_dev *sdiodev, uint write, bool fifo,
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uint func, uint addr, struct sk_buff *pkt, uint pktlen)
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{
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int err_ret = 0;
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if ((write) && (!fifo)) {
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err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
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((u8 *) (pkt->data)), pktlen);
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} else if (write) {
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err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
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((u8 *) (pkt->data)), pktlen);
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} else if (fifo) {
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err_ret = sdio_readsb(sdiodev->func[func],
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((u8 *) (pkt->data)), addr, pktlen);
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} else {
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err_ret = sdio_memcpy_fromio(sdiodev->func[func],
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((u8 *) (pkt->data)),
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addr, pktlen);
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}
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return err_ret;
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}
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/*
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* This function takes a queue of packets. The packets on the queue
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* are assumed to be properly aligned by the caller.
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*/
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int
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brcmf_sdioh_request_chain(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
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uint write, uint func, uint addr,
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struct sk_buff_head *pktq)
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{
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bool fifo = (fix_inc == SDIOH_DATA_FIX);
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u32 SGCount = 0;
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int err_ret = 0;
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struct sk_buff *pkt;
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brcmf_dbg(TRACE, "Enter\n");
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_chain_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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skb_queue_walk(pktq, pkt) {
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uint pkt_len = pkt->len;
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pkt_len += 3;
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pkt_len &= 0xFFFFFFFC;
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err_ret = brcmf_sdioh_request_data(sdiodev, write, fifo, func,
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addr, pkt, pkt_len);
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if (err_ret) {
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brcmf_err("%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
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write ? "TX" : "RX", pkt, SGCount, addr,
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pkt_len, err_ret);
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} else {
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brcmf_dbg(TRACE, "%s xfr'd %p[%d], addr=0x%05x, len=%d\n",
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write ? "TX" : "RX", pkt, SGCount, addr,
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pkt_len);
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}
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if (!fifo)
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addr += pkt_len;
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SGCount++;
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}
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brcmf_dbg(TRACE, "Exit\n");
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return err_ret;
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}
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/*
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* This function takes a single DMA-able packet.
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*/
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int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
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uint fix_inc, uint write, uint func, uint addr,
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struct sk_buff *pkt)
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{
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int status;
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uint pkt_len;
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bool fifo = (fix_inc == SDIOH_DATA_FIX);
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brcmf_dbg(TRACE, "Enter\n");
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if (pkt == NULL)
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return -EINVAL;
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pkt_len = pkt->len;
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brcmf_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait);
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if (brcmf_pm_resume_error(sdiodev))
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return -EIO;
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pkt_len += 3;
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pkt_len &= (uint)~3;
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status = brcmf_sdioh_request_data(sdiodev, write, fifo, func,
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addr, pkt, pkt_len);
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if (status) {
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brcmf_err("%s FAILED %p, addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
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write ? "TX" : "RX", pkt, addr, pkt_len, status);
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} else {
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brcmf_dbg(TRACE, "%s xfr'd %p, addr=0x%05x, len=%d\n",
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write ? "TX" : "RX", pkt, addr, pkt_len);
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}
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return status;
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}
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static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
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{
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/* read 24 bits and return valid 17 bit addr */
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int i, ret;
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u32 scratch, regdata;
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__le32 scratch_le;
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u8 *ptr = (u8 *)&scratch_le;
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for (i = 0; i < 3; i++) {
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regdata = brcmf_sdio_regrl(sdiodev, regaddr, &ret);
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if (ret != 0)
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brcmf_err("Can't read!\n");
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*ptr++ = (u8) regdata;
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regaddr++;
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}
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/* Only the lower 17-bits are valid */
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scratch = le32_to_cpu(scratch_le);
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scratch &= 0x0001FFFF;
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return scratch;
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}
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static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
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{
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int err_ret;
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u32 fbraddr;
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u8 func;
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brcmf_dbg(TRACE, "\n");
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/* Get the Card's common CIS address */
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sdiodev->func_cis_ptr[0] = brcmf_sdioh_get_cisaddr(sdiodev,
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SDIO_CCCR_CIS);
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brcmf_dbg(INFO, "Card's Common CIS Ptr = 0x%x\n",
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sdiodev->func_cis_ptr[0]);
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/* Get the Card's function CIS (for each function) */
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for (fbraddr = SDIO_FBR_BASE(1), func = 1;
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func <= sdiodev->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) {
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sdiodev->func_cis_ptr[func] =
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brcmf_sdioh_get_cisaddr(sdiodev, SDIO_FBR_CIS + fbraddr);
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brcmf_dbg(INFO, "Function %d CIS Ptr = 0x%x\n",
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func, sdiodev->func_cis_ptr[func]);
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}
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/* Enable Function 1 */
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err_ret = sdio_enable_func(sdiodev->func[1]);
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if (err_ret)
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brcmf_err("Failed to enable F1 Err: 0x%08x\n", err_ret);
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return false;
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}
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/*
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* Public entry points & extern's
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*/
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int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
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{
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int err_ret = 0;
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brcmf_dbg(TRACE, "\n");
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sdiodev->num_funcs = 2;
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sdio_claim_host(sdiodev->func[1]);
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err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE);
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if (err_ret) {
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brcmf_err("Failed to set F1 blocksize\n");
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goto out;
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}
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err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE);
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if (err_ret) {
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brcmf_err("Failed to set F2 blocksize\n");
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goto out;
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}
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brcmf_sdioh_enablefuncs(sdiodev);
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out:
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sdio_release_host(sdiodev->func[1]);
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brcmf_dbg(TRACE, "Done\n");
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return err_ret;
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}
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void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
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{
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brcmf_dbg(TRACE, "\n");
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/* Disable Function 2 */
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sdio_claim_host(sdiodev->func[2]);
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sdio_disable_func(sdiodev->func[2]);
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sdio_release_host(sdiodev->func[2]);
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/* Disable Function 1 */
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sdio_claim_host(sdiodev->func[1]);
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sdio_disable_func(sdiodev->func[1]);
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sdio_release_host(sdiodev->func[1]);
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}
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#ifdef CONFIG_BRCMFMAC_SDIO_OOB
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static int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev)
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{
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struct brcmf_sdio_oobirq *oobirq_entry;
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if (list_empty(&oobirq_lh)) {
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brcmf_err("no valid oob irq resource\n");
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return -ENXIO;
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}
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oobirq_entry = list_first_entry(&oobirq_lh, struct brcmf_sdio_oobirq,
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list);
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sdiodev->irq = oobirq_entry->irq;
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sdiodev->irq_flags = oobirq_entry->flags;
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list_del(&oobirq_entry->list);
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kfree(oobirq_entry);
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return 0;
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}
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#else
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static inline int brcmf_sdio_getintrcfg(struct brcmf_sdio_dev *sdiodev)
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{
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return 0;
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}
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#endif /* CONFIG_BRCMFMAC_SDIO_OOB */
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static int brcmf_ops_sdio_probe(struct sdio_func *func,
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const struct sdio_device_id *id)
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{
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int err;
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struct brcmf_sdio_dev *sdiodev;
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struct brcmf_bus *bus_if;
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brcmf_dbg(TRACE, "Enter\n");
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brcmf_dbg(TRACE, "Class=%x\n", func->class);
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brcmf_dbg(TRACE, "sdio vendor ID: 0x%04x\n", func->vendor);
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brcmf_dbg(TRACE, "sdio device ID: 0x%04x\n", func->device);
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brcmf_dbg(TRACE, "Function#: %d\n", func->num);
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/* Consume func num 1 but dont do anything with it. */
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if (func->num == 1)
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return 0;
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/* Ignore anything but func 2 */
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|
if (func->num != 2)
|
|
return -ENODEV;
|
|
|
|
bus_if = kzalloc(sizeof(struct brcmf_bus), GFP_KERNEL);
|
|
if (!bus_if)
|
|
return -ENOMEM;
|
|
sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
|
|
if (!sdiodev) {
|
|
kfree(bus_if);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sdiodev->func[0] = func->card->sdio_func[0];
|
|
sdiodev->func[1] = func->card->sdio_func[0];
|
|
sdiodev->func[2] = func;
|
|
|
|
sdiodev->bus_if = bus_if;
|
|
bus_if->bus_priv.sdio = sdiodev;
|
|
bus_if->align = BRCMF_SDALIGN;
|
|
dev_set_drvdata(&func->dev, bus_if);
|
|
dev_set_drvdata(&sdiodev->func[1]->dev, bus_if);
|
|
sdiodev->dev = &sdiodev->func[1]->dev;
|
|
|
|
atomic_set(&sdiodev->suspend, false);
|
|
init_waitqueue_head(&sdiodev->request_byte_wait);
|
|
init_waitqueue_head(&sdiodev->request_word_wait);
|
|
init_waitqueue_head(&sdiodev->request_chain_wait);
|
|
init_waitqueue_head(&sdiodev->request_buffer_wait);
|
|
err = brcmf_sdio_getintrcfg(sdiodev);
|
|
if (err)
|
|
goto fail;
|
|
|
|
brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n");
|
|
err = brcmf_sdio_probe(sdiodev);
|
|
if (err) {
|
|
brcmf_err("F2 error, probe failed %d...\n", err);
|
|
goto fail;
|
|
}
|
|
brcmf_dbg(TRACE, "F2 init completed...\n");
|
|
return 0;
|
|
|
|
fail:
|
|
dev_set_drvdata(&func->dev, NULL);
|
|
dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
|
|
kfree(sdiodev);
|
|
kfree(bus_if);
|
|
return err;
|
|
}
|
|
|
|
static void brcmf_ops_sdio_remove(struct sdio_func *func)
|
|
{
|
|
struct brcmf_bus *bus_if;
|
|
struct brcmf_sdio_dev *sdiodev;
|
|
|
|
brcmf_dbg(TRACE, "Enter\n");
|
|
brcmf_dbg(TRACE, "sdio vendor ID: 0x%04x\n", func->vendor);
|
|
brcmf_dbg(TRACE, "sdio device ID: 0x%04x\n", func->device);
|
|
brcmf_dbg(TRACE, "Function: %d\n", func->num);
|
|
|
|
if (func->num != 1 && func->num != 2)
|
|
return;
|
|
|
|
bus_if = dev_get_drvdata(&func->dev);
|
|
if (bus_if) {
|
|
sdiodev = bus_if->bus_priv.sdio;
|
|
brcmf_sdio_remove(sdiodev);
|
|
|
|
dev_set_drvdata(&sdiodev->func[1]->dev, NULL);
|
|
dev_set_drvdata(&sdiodev->func[2]->dev, NULL);
|
|
|
|
kfree(bus_if);
|
|
kfree(sdiodev);
|
|
}
|
|
|
|
brcmf_dbg(TRACE, "Exit\n");
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int brcmf_sdio_suspend(struct device *dev)
|
|
{
|
|
mmc_pm_flag_t sdio_flags;
|
|
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
|
|
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
|
int ret = 0;
|
|
|
|
brcmf_dbg(TRACE, "\n");
|
|
|
|
atomic_set(&sdiodev->suspend, true);
|
|
|
|
sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
|
|
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
|
|
brcmf_err("Host can't keep power while suspended\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
|
|
if (ret) {
|
|
brcmf_err("Failed to set pm_flags\n");
|
|
return ret;
|
|
}
|
|
|
|
brcmf_sdio_wdtmr_enable(sdiodev, false);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int brcmf_sdio_resume(struct device *dev)
|
|
{
|
|
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
|
|
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
|
|
|
|
brcmf_sdio_wdtmr_enable(sdiodev, true);
|
|
atomic_set(&sdiodev->suspend, false);
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops brcmf_sdio_pm_ops = {
|
|
.suspend = brcmf_sdio_suspend,
|
|
.resume = brcmf_sdio_resume,
|
|
};
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
static struct sdio_driver brcmf_sdmmc_driver = {
|
|
.probe = brcmf_ops_sdio_probe,
|
|
.remove = brcmf_ops_sdio_remove,
|
|
.name = "brcmfmac",
|
|
.id_table = brcmf_sdmmc_ids,
|
|
#ifdef CONFIG_PM_SLEEP
|
|
.drv = {
|
|
.pm = &brcmf_sdio_pm_ops,
|
|
},
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
};
|
|
|
|
#ifdef CONFIG_BRCMFMAC_SDIO_OOB
|
|
static int brcmf_sdio_pd_probe(struct platform_device *pdev)
|
|
{
|
|
struct resource *res;
|
|
struct brcmf_sdio_oobirq *oobirq_entry;
|
|
int i, ret;
|
|
|
|
INIT_LIST_HEAD(&oobirq_lh);
|
|
|
|
for (i = 0; ; i++) {
|
|
res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
|
|
if (!res)
|
|
break;
|
|
|
|
oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq),
|
|
GFP_KERNEL);
|
|
if (!oobirq_entry)
|
|
return -ENOMEM;
|
|
oobirq_entry->irq = res->start;
|
|
oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK;
|
|
list_add_tail(&oobirq_entry->list, &oobirq_lh);
|
|
}
|
|
if (i == 0)
|
|
return -ENXIO;
|
|
|
|
ret = sdio_register_driver(&brcmf_sdmmc_driver);
|
|
|
|
if (ret)
|
|
brcmf_err("sdio_register_driver failed: %d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct platform_driver brcmf_sdio_pd = {
|
|
.probe = brcmf_sdio_pd_probe,
|
|
.driver = {
|
|
.name = "brcmf_sdio_pd"
|
|
}
|
|
};
|
|
|
|
void brcmf_sdio_exit(void)
|
|
{
|
|
brcmf_dbg(TRACE, "Enter\n");
|
|
|
|
sdio_unregister_driver(&brcmf_sdmmc_driver);
|
|
|
|
platform_driver_unregister(&brcmf_sdio_pd);
|
|
}
|
|
|
|
void brcmf_sdio_init(void)
|
|
{
|
|
int ret;
|
|
|
|
brcmf_dbg(TRACE, "Enter\n");
|
|
|
|
ret = platform_driver_register(&brcmf_sdio_pd);
|
|
|
|
if (ret)
|
|
brcmf_err("platform_driver_register failed: %d\n", ret);
|
|
}
|
|
#else
|
|
void brcmf_sdio_exit(void)
|
|
{
|
|
brcmf_dbg(TRACE, "Enter\n");
|
|
|
|
sdio_unregister_driver(&brcmf_sdmmc_driver);
|
|
}
|
|
|
|
void brcmf_sdio_init(void)
|
|
{
|
|
int ret;
|
|
|
|
brcmf_dbg(TRACE, "Enter\n");
|
|
|
|
ret = sdio_register_driver(&brcmf_sdmmc_driver);
|
|
|
|
if (ret)
|
|
brcmf_err("sdio_register_driver failed: %d\n", ret);
|
|
}
|
|
#endif /* CONFIG_BRCMFMAC_SDIO_OOB */
|