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author | Jens Axboe <jaxboe@fusionio.com> | 2010-10-19 09:13:04 +0200 |
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committer | Jens Axboe <jaxboe@fusionio.com> | 2010-10-19 09:13:04 +0200 |
commit | fa251f89903d73989e2f63e13d0eaed1e07ce0da (patch) | |
tree | 3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /drivers/staging/ti-st/st_kim.c | |
parent | dd3932eddf428571762596e17b65f5dc92ca361b (diff) | |
parent | cd07202cc8262e1669edff0d97715f3dd9260917 (diff) | |
download | op-kernel-dev-fa251f89903d73989e2f63e13d0eaed1e07ce0da.zip op-kernel-dev-fa251f89903d73989e2f63e13d0eaed1e07ce0da.tar.gz |
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts:
block/blk-core.c
drivers/block/loop.c
mm/swapfile.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/staging/ti-st/st_kim.c')
-rw-r--r-- | drivers/staging/ti-st/st_kim.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/staging/ti-st/st_kim.c b/drivers/staging/ti-st/st_kim.c index b4a6c7f..9e99463 100644 --- a/drivers/staging/ti-st/st_kim.c +++ b/drivers/staging/ti-st/st_kim.c @@ -72,11 +72,26 @@ const unsigned char *protocol_names[] = { PROTO_ENTRY(ST_GPS, "GPS"), }; +#define MAX_ST_DEVICES 3 /* Imagine 1 on each UART for now */ +struct platform_device *st_kim_devices[MAX_ST_DEVICES]; /**********************************************************************/ /* internal functions */ /** + * st_get_plat_device - + * function which returns the reference to the platform device + * requested by id. As of now only 1 such device exists (id=0) + * the context requesting for reference can get the id to be + * requested by a. The protocol driver which is registering or + * b. the tty device which is opened. + */ +static struct platform_device *st_get_plat_device(int id) +{ + return st_kim_devices[id]; +} + +/** * validate_firmware_response - * function to return whether the firmware response was proper * in case of error don't complete so that waiting for proper @@ -353,7 +368,7 @@ void st_kim_chip_toggle(enum proto_type type, enum kim_gpio_state state) struct kim_data_s *kim_gdata; pr_info(" %s ", __func__); - kim_pdev = st_get_plat_device(); + kim_pdev = st_get_plat_device(0); kim_gdata = dev_get_drvdata(&kim_pdev->dev); if (kim_gdata->gpios[type] == -1) { @@ -574,12 +589,12 @@ static int kim_toggle_radio(void *data, bool blocked) * This would enable multiple such platform devices to exist * on a given platform */ -void st_kim_ref(struct st_data_s **core_data) +void st_kim_ref(struct st_data_s **core_data, int id) { struct platform_device *pdev; struct kim_data_s *kim_gdata; /* get kim_gdata reference from platform device */ - pdev = st_get_plat_device(); + pdev = st_get_plat_device(id); kim_gdata = dev_get_drvdata(&pdev->dev); *core_data = kim_gdata->core_data; } @@ -623,6 +638,7 @@ static int kim_probe(struct platform_device *pdev) long *gpios = pdev->dev.platform_data; struct kim_data_s *kim_gdata; + st_kim_devices[pdev->id] = pdev; kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC); if (!kim_gdata) { pr_err("no mem to allocate"); |