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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
| commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
| tree | f91479a62805619168994fd3ee55e3ffa23fc24e /drivers/gpio/gpio-ich.c | |
| parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
| parent | f722406faae2d073cc1d01063d1123c35425939e (diff) | |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'drivers/gpio/gpio-ich.c')
| -rw-r--r-- | drivers/gpio/gpio-ich.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c index de3c317bd3e..e16d932fd44 100644 --- a/drivers/gpio/gpio-ich.c +++ b/drivers/gpio/gpio-ich.c @@ -130,14 +130,11 @@ static int ichx_read_bit(int reg, unsigned nr) static bool ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr) { - return ichx_priv.use_gpio & (1 << (nr / 32)); + return !!(ichx_priv.use_gpio & (1 << (nr / 32))); } static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) { - if (!ichx_gpio_check_available(gpio, nr)) - return -ENXIO; - /* * Try setting pin as an input and verify it worked since many pins * are output-only. @@ -151,9 +148,6 @@ static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr) static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, int val) { - if (!ichx_gpio_check_available(gpio, nr)) - return -ENXIO; - /* Set GPIO output value. */ ichx_write_bit(GPIO_LVL, nr, val, 0); @@ -169,9 +163,6 @@ static int ichx_gpio_direction_output(struct gpio_chip *gpio, unsigned nr, static int ichx_gpio_get(struct gpio_chip *chip, unsigned nr) { - if (!ichx_gpio_check_available(chip, nr)) - return -ENXIO; - return ichx_read_bit(GPIO_LVL, nr); } @@ -180,9 +171,6 @@ static int ich6_gpio_get(struct gpio_chip *chip, unsigned nr) unsigned long flags; u32 data; - if (!ichx_gpio_check_available(chip, nr)) - return -ENXIO; - /* * GPI 0 - 15 need to be read from the power management registers on * a ICH6/3100 bridge. @@ -207,6 +195,9 @@ static int ich6_gpio_get(struct gpio_chip *chip, unsigned nr) static int ichx_gpio_request(struct gpio_chip *chip, unsigned nr) { + if (!ichx_gpio_check_available(chip, nr)) + return -ENXIO; + /* * Note we assume the BIOS properly set a bridge's USE value. Some * chips (eg Intel 3100) have bogus USE values though, so first see if |