diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-08-04 19:46:25 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2012-08-04 19:46:25 +0000 |
| commit | 075899682416938171ad47cba21de5dceebcdb43 (patch) | |
| tree | c4e4149807f66b206dcf5d8217bcbe0a04537502 /target/linux/brcm47xx/patches-3.3/500-ssb-add-function-to-return-number-of-gpio-lines.patch | |
| parent | 3942aebedc26bccaba639ec281920faca363a6e9 (diff) | |
| download | upstream-075899682416938171ad47cba21de5dceebcdb43.tar.gz upstream-075899682416938171ad47cba21de5dceebcdb43.tar.bz2 upstream-075899682416938171ad47cba21de5dceebcdb43.zip | |
brcm47xx: use libgpio instaed of implementing the gpio interface ourself.
SVN-Revision: 32992
Diffstat (limited to 'target/linux/brcm47xx/patches-3.3/500-ssb-add-function-to-return-number-of-gpio-lines.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.3/500-ssb-add-function-to-return-number-of-gpio-lines.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/500-ssb-add-function-to-return-number-of-gpio-lines.patch b/target/linux/brcm47xx/patches-3.3/500-ssb-add-function-to-return-number-of-gpio-lines.patch new file mode 100644 index 0000000000..f1b483e4a4 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.3/500-ssb-add-function-to-return-number-of-gpio-lines.patch @@ -0,0 +1,40 @@ +--- a/drivers/ssb/embedded.c ++++ b/drivers/ssb/embedded.c +@@ -136,6 +136,18 @@ u32 ssb_gpio_polarity(struct ssb_bus *bu + } + EXPORT_SYMBOL(ssb_gpio_polarity); + ++int ssb_gpio_count(struct ssb_bus *bus) ++{ ++ if (ssb_chipco_available(&bus->chipco)) ++ return SSB_GPIO_CHIPCO_LINES; ++ else if (ssb_extif_available(&bus->extif)) ++ return SSB_GPIO_EXTIF_LINES; ++ else ++ SSB_WARN_ON(1); ++ return 0; ++} ++EXPORT_SYMBOL(ssb_gpio_count); ++ + #ifdef CONFIG_SSB_DRIVER_GIGE + static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data) + { +--- a/include/linux/ssb/ssb_embedded.h ++++ b/include/linux/ssb/ssb_embedded.h +@@ -7,6 +7,9 @@ + + extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks); + ++#define SSB_GPIO_EXTIF_LINES 5 ++#define SSB_GPIO_CHIPCO_LINES 16 ++ + /* Generic GPIO API */ + u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask); + u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value); +@@ -14,5 +17,6 @@ u32 ssb_gpio_outen(struct ssb_bus *bus, + u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value); + u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value); + u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value); ++int ssb_gpio_count(struct ssb_bus *bus); + + #endif /* LINUX_SSB_EMBEDDED_H_ */ |