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platform_kernel-5.15
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
  Staging: ti-st: remove st_get_plat_device
This commit is contained in:
Linus Torvalds 2010-09-24 13:55:12 -07:00
parent cbff1e91bf d3654cd29e
commit 06706b5847
4 changed files with 24 additions and 10 deletions
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1
drivers/staging/ti-st/st.h
View File

@ -80,5 +80,4 @@ struct st_proto_s {
extern long st_register(struct st_proto_s *); extern long st_register(struct st_proto_s *);
extern long st_unregister(enum proto_type); extern long st_unregister(enum proto_type);
extern struct platform_device *st_get_plat_device(void);
#endif /* ST_H */ #endif /* ST_H */

9
drivers/staging/ti-st/st_core.c
View File

@ -38,7 +38,6 @@
#include "st_ll.h" #include "st_ll.h"
#include "st.h" #include "st.h"
#define VERBOSE
/* strings to be used for rfkill entries and by /* strings to be used for rfkill entries and by
* ST Core to be used for sysfs debug entry * ST Core to be used for sysfs debug entry
*/ */
@ -581,7 +580,7 @@ long st_register(struct st_proto_s *new_proto)
long err = 0; long err = 0;
unsigned long flags = 0; unsigned long flags = 0;
st_kim_ref(&st_gdata); st_kim_ref(&st_gdata, 0);
pr_info("%s(%d) ", __func__, new_proto->type); pr_info("%s(%d) ", __func__, new_proto->type);
if (st_gdata == NULL || new_proto == NULL || new_proto->recv == NULL if (st_gdata == NULL || new_proto == NULL || new_proto->recv == NULL
|| new_proto->reg_complete_cb == NULL) { || new_proto->reg_complete_cb == NULL) {
@ -713,7 +712,7 @@ long st_unregister(enum proto_type type)
pr_debug("%s: %d ", __func__, type); pr_debug("%s: %d ", __func__, type);
st_kim_ref(&st_gdata); st_kim_ref(&st_gdata, 0);
if (type < ST_BT || type >= ST_MAX) { if (type < ST_BT || type >= ST_MAX) {
pr_err(" protocol %d not supported", type); pr_err(" protocol %d not supported", type);
return -EPROTONOSUPPORT; return -EPROTONOSUPPORT;
@ -767,7 +766,7 @@ long st_write(struct sk_buff *skb)
#endif #endif
long len; long len;
st_kim_ref(&st_gdata); st_kim_ref(&st_gdata, 0);
if (unlikely(skb == NULL || st_gdata == NULL if (unlikely(skb == NULL || st_gdata == NULL
|| st_gdata->tty == NULL)) { || st_gdata->tty == NULL)) {
pr_err("data/tty unavailable to perform write"); pr_err("data/tty unavailable to perform write");
@ -818,7 +817,7 @@ static int st_tty_open(struct tty_struct *tty)
struct st_data_s *st_gdata; struct st_data_s *st_gdata;
pr_info("%s ", __func__); pr_info("%s ", __func__);
st_kim_ref(&st_gdata); st_kim_ref(&st_gdata, 0);
st_gdata->tty = tty; st_gdata->tty = tty;
tty->disc_data = st_gdata; tty->disc_data = st_gdata;

2
drivers/staging/ti-st/st_core.h
View File

@ -117,7 +117,7 @@ int st_core_init(struct st_data_s **);
void st_core_exit(struct st_data_s *); void st_core_exit(struct st_data_s *);
/* ask for reference from KIM */ /* ask for reference from KIM */
void st_kim_ref(struct st_data_s **); void st_kim_ref(struct st_data_s **, int);
#define GPS_STUB_TEST #define GPS_STUB_TEST
#ifdef GPS_STUB_TEST #ifdef GPS_STUB_TEST

22
drivers/staging/ti-st/st_kim.c
View File

@ -72,10 +72,25 @@ const unsigned char *protocol_names[] = {
PROTO_ENTRY(ST_GPS, "GPS"), 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 */ /* 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 - * validate_firmware_response -
* function to return whether the firmware response was proper * function to return whether the firmware response was 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; struct kim_data_s *kim_gdata;
pr_info(" %s ", __func__); 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); kim_gdata = dev_get_drvdata(&kim_pdev->dev);
if (kim_gdata->gpios[type] == -1) { 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 * This would enable multiple such platform devices to exist
* on a given platform * 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 platform_device *pdev;
struct kim_data_s *kim_gdata; struct kim_data_s *kim_gdata;
/* get kim_gdata reference from platform device */ /* 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); kim_gdata = dev_get_drvdata(&pdev->dev);
*core_data = kim_gdata->core_data; *core_data = kim_gdata->core_data;
} }
@ -623,6 +638,7 @@ static int kim_probe(struct platform_device *pdev)
long *gpios = pdev->dev.platform_data; long *gpios = pdev->dev.platform_data;
struct kim_data_s *kim_gdata; struct kim_data_s *kim_gdata;
st_kim_devices[pdev->id] = pdev;
kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC); kim_gdata = kzalloc(sizeof(struct kim_data_s), GFP_ATOMIC);
if (!kim_gdata) { if (!kim_gdata) {
pr_err("no mem to allocate"); pr_err("no mem to allocate");