redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

staging: brcm80211: placed suspend flag in gInstance in brcmfmac

Browse source 
One of the steps to remove global variable. gInstance will be
replaced by brcmf_sdio_dev in the upcoming patch.

Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Franky Lin 2011-08-08 15:58:50 +02:00 committed by Greg Kroah-Hartman
parent b60987a156
commit bea4f542e4
2 changed files with 18 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
View file

@ -66,7 +66,6 @@ static int brcmf_sdio_resume(struct device *dev);
uint sd_f2_blocksize = 512; /* Default blocksize */
struct brcmf_sdmmc_instance *gInstance;
static atomic_t brcmf_mmc_suspend;
/* devices we support, null terminated */
static const struct sdio_device_id brcmf_sdmmc_ids[] = {
@ -100,17 +99,17 @@ 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) do { \
#define BRCMF_PM_RESUME_WAIT(a, b) do { \
int retry = 0; \
while (atomic_read(&brcmf_mmc_suspend) && retry++ != 30) { \
while (atomic_read(&b->suspend) && retry++ != 30) { \
wait_event_timeout(a, false, HZ/100); \
} \
} while (0)
#define BRCMF_PM_RESUME_RETURN_ERROR(a) \
do { if (atomic_read(&brcmf_mmc_suspend)) return a; } while (0)
#define BRCMF_PM_RESUME_RETURN_ERROR(a, b) \
do { if (atomic_read(&b->suspend)) return a; } while (0)
#else
#define BRCMF_PM_RESUME_WAIT(a)
#define BRCMF_PM_RESUME_RETURN_ERROR(a)
#define BRCMF_PM_RESUME_WAIT(a, b)
#define BRCMF_PM_RESUME_RETURN_ERROR(a, b)
#endif /* CONFIG_PM_SLEEP */
static int
@ -571,8 +570,8 @@ brcmf_sdioh_request_byte(struct sdioh_info *sd, uint rw, uint func,
BRCMF_INFO(("%s: rw=%d, func=%d, addr=0x%05x\n", __func__, rw, func,
regaddr));
BRCMF_PM_RESUME_WAIT(sdioh_request_byte_wait);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
BRCMF_PM_RESUME_WAIT(sdioh_request_byte_wait, gInstance);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO, gInstance);
if (rw) { /* CMD52 Write */
if (func == 0) {
/* Can only directly write to some F0 registers.
@ -678,8 +677,8 @@ brcmf_sdioh_request_word(struct sdioh_info *sd, uint cmd_type, uint rw,
BRCMF_INFO(("%s: cmd_type=%d, rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
__func__, cmd_type, rw, func, addr, nbytes));
BRCMF_PM_RESUME_WAIT(sdioh_request_word_wait);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
BRCMF_PM_RESUME_WAIT(sdioh_request_word_wait, gInstance);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO, gInstance);
/* Claim host controller */
sdio_claim_host(gInstance->func[func]);
@ -728,8 +727,8 @@ brcmf_sdioh_request_packet(struct sdioh_info *sd, uint fix_inc, uint write,
BRCMF_TRACE(("%s: Enter\n", __func__));
BRCMF_PM_RESUME_WAIT(sdioh_request_packet_wait);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
BRCMF_PM_RESUME_WAIT(sdioh_request_packet_wait, gInstance);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO, gInstance);
/* Claim host controller */
sdio_claim_host(gInstance->func[func]);
@ -806,8 +805,8 @@ brcmf_sdioh_request_buffer(struct sdioh_info *sd, uint pio_dma, uint fix_inc,
BRCMF_TRACE(("%s: Enter\n", __func__));
BRCMF_PM_RESUME_WAIT(sdioh_request_buffer_wait);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO);
BRCMF_PM_RESUME_WAIT(sdioh_request_buffer_wait, gInstance);
BRCMF_PM_RESUME_RETURN_ERROR(-EIO, gInstance);
/* Case 1: we don't have a packet. */
if (pkt == NULL) {
BRCMF_DATA(("%s: Creating new %s Packet, len=%d\n",
@ -981,7 +980,7 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func,
sdiodev->func1 = func;
dev_set_drvdata(&func->card->dev, sdiodev);
atomic_set(&brcmf_mmc_suspend, false);
atomic_set(&gInstance->suspend, false);
}
gInstance->func[func->num] = func;
@ -1029,7 +1028,7 @@ static int brcmf_sdio_suspend(struct device *dev)
BRCMF_TRACE(("%s\n", __func__));
atomic_set(&brcmf_mmc_suspend, true);
atomic_set(&gInstance->suspend, true);
sdio_flags = sdio_get_host_pm_caps(gInstance->func[1]);
if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
@ -1056,7 +1055,7 @@ static int brcmf_sdio_resume(struct device *dev)
sdiodev = dev_get_drvdata(&func->card->dev);
brcmf_sdio_wdtmr_enable(sdiodev, true);
atomic_set(&brcmf_mmc_suspend, false);
atomic_set(&gInstance->suspend, false);
return 0;
}
#endif /* CONFIG_PM_SLEEP */

1
drivers/staging/brcm80211/brcmfmac/sdio_host.h
View file

@ -152,6 +152,7 @@ struct brcmf_sdmmc_instance {
struct sdioh_info *sd;
struct sdio_func *func[SDIOD_MAX_IOFUNCS];
u32 host_claimed;
atomic_t suspend; /* suspend flag */
};
struct brcmf_sdio_dev {