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yaml
---
r: 268224
b: refs/heads/master
c: 0629eae
h: refs/heads/master
v: v3
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Roland Vossen authored and Greg Kroah-Hartman committed Sep 6, 2011
1 parent da8ccb8 commit dce567b
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Showing 2 changed files with 15 additions and 13 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 72a4915f9b503fefdd18e62bf9baad14ee08d759
refs/heads/master: 0629eaebf3844f2855dd1d8bb74ee5b8f529cb78
26 changes: 14 additions & 12 deletions trunk/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
Original file line number Diff line number Diff line change
Expand Up @@ -84,14 +84,6 @@ DECLARE_WAIT_QUEUE_HEAD(sdioh_request_byte_wait);
DECLARE_WAIT_QUEUE_HEAD(sdioh_request_word_wait);
DECLARE_WAIT_QUEUE_HEAD(sdioh_request_packet_wait);
DECLARE_WAIT_QUEUE_HEAD(sdioh_request_buffer_wait);
#define BRCMF_PM_RESUME_WAIT(a, b) do { \
int retry = 0; \
while (atomic_read(&b->suspend) && retry++ != 30) { \
wait_event_timeout(a, false, HZ/100); \
} \
} while (0)
#else
#define BRCMF_PM_RESUME_WAIT(a, b)
#endif /* CONFIG_PM_SLEEP */

static int
Expand All @@ -108,6 +100,16 @@ brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
return is_err;
}

static void
brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t wq)
{
#ifdef CONFIG_PM_SLEEP
int retry = 0;
while (atomic_read(&sdiodev->suspend) && retry++ != 30)
wait_event_timeout(wq, false, HZ/100);
#endif
}

static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
{
int err_ret;
Expand Down Expand Up @@ -255,7 +257,7 @@ brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,

brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);

BRCMF_PM_RESUME_WAIT(sdioh_request_byte_wait, sdiodev);
brcmf_pm_resume_wait(sdiodev, sdioh_request_byte_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
if (rw) { /* CMD52 Write */
Expand Down Expand Up @@ -358,7 +360,7 @@ brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev, uint cmd_type, uint rw,
brcmf_dbg(INFO, "cmd_type=%d, rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
cmd_type, rw, func, addr, nbytes);

BRCMF_PM_RESUME_WAIT(sdioh_request_word_wait, sdiodev);
brcmf_pm_resume_wait(sdiodev, sdioh_request_word_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
/* Claim host controller */
Expand Down Expand Up @@ -408,7 +410,7 @@ brcmf_sdioh_request_packet(struct brcmf_sdio_dev *sdiodev, uint fix_inc,

brcmf_dbg(TRACE, "Enter\n");

BRCMF_PM_RESUME_WAIT(sdioh_request_packet_wait, sdiodev);
brcmf_pm_resume_wait(sdiodev, sdioh_request_packet_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;

Expand Down Expand Up @@ -486,7 +488,7 @@ brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev, uint pio_dma,

brcmf_dbg(TRACE, "Enter\n");

BRCMF_PM_RESUME_WAIT(sdioh_request_buffer_wait, sdiodev);
brcmf_pm_resume_wait(sdiodev, sdioh_request_buffer_wait);
if (brcmf_pm_resume_error(sdiodev))
return -EIO;
/* Case 1: we don't have a packet. */
Expand Down

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