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author | David Brownell <dbrownell@users.sourceforge.net> | 2008-12-10 17:35:26 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2008-12-10 17:35:26 -0800 |
commit | e918edf7c2f2270dcf18cdcbdf86174a013a124e (patch) | |
tree | 36a5d45c3795ac188e32c09b427fa67068d6cacd /arch/arm/mach-omap1 | |
parent | 40e3925ba15b604c9ff87154d77a914221d11cdc (diff) | |
download | kernel_samsung_smdk4412-e918edf7c2f2270dcf18cdcbdf86174a013a124e.zip kernel_samsung_smdk4412-e918edf7c2f2270dcf18cdcbdf86174a013a124e.tar.gz kernel_samsung_smdk4412-e918edf7c2f2270dcf18cdcbdf86174a013a124e.tar.bz2 |
ARM: OMAP: switch to gpio_direction_output
More conversion to the standard GPIO interfaces: stop using
omap_set_gpio_direction() entirely, and switch over to the
gpio_direction_output() call.
Note that because gpio_direction_output() includes the initial
value, this change isn't quite transparent.
- For the call sites which defined an initial value either
before or after setting the direction, that value was used.
When that value was previously assigned afterwards, this
could eliminate a brief output glitch ... and possibly
change behavior. In a few cases (LCDs) several values
were assigned together ... those were re-arranged to match
the explicit sequence provided.
- Some call sites didn't define such a value; so I chose an
initial "off/reset" value that seemed to default to "off".
In short, files touched by this patch might notice some small
changes in startup behavior (with trivial fixes).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap1')
-rw-r--r-- | arch/arm/mach-omap1/board-h2.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap1/board-palmz71.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-omap1/board-sx1.c | 11 | ||||
-rw-r--r-- | arch/arm/mach-omap1/board-voiceblue.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-omap1/leds.c | 4 |
5 files changed, 10 insertions, 19 deletions
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index a2914ac..7329ad5 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -439,7 +439,7 @@ static void __init h2_init(void) #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE) omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A); if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) { - omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0); + gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0); h2_irda_data.transceiver_mode = h2_transceiver_mode; } #endif diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c index 5a232ad..dec2010 100644 --- a/arch/arm/mach-omap1/board-palmz71.c +++ b/arch/arm/mach-omap1/board-palmz71.c @@ -323,8 +323,7 @@ palmz71_gpio_setup(int early) { if (early) { /* Only set GPIO1 so we have a working serial */ - gpio_set_value(1, 1); - omap_set_gpio_direction(1, 0); + gpio_direction_output(1, 1); } else { /* Set MMC/SD host WP pin as input */ if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) { diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c index 2230527..93bd395 100644 --- a/arch/arm/mach-omap1/board-sx1.c +++ b/arch/arm/mach-omap1/board-sx1.c @@ -436,14 +436,9 @@ static void __init omap_sx1_init(void) omap_request_gpio(1); /* A_IRDA_OFF */ omap_request_gpio(11); /* A_SWITCH */ omap_request_gpio(15); /* A_USB_ON */ - omap_set_gpio_direction(1, 0);/* gpio1 -> output */ - omap_set_gpio_direction(11, 0);/* gpio11 -> output */ - omap_set_gpio_direction(15, 0);/* gpio15 -> output */ - /* set GPIO data */ - gpio_set_value(1, 1);/*A_IRDA_OFF = 1 */ - gpio_set_value(11, 0);/*A_SWITCH = 0 */ - gpio_set_value(15, 0);/*A_USB_ON = 0 */ - + gpio_direction_output(1, 1); /*A_IRDA_OFF = 1 */ + gpio_direction_output(11, 0); /*A_SWITCH = 0 */ + gpio_direction_output(15, 0); /*A_USB_ON = 0 */ } /*----------------------------------------*/ static void __init omap_sx1_init_irq(void) diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index 86e73b7..43b008f 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -171,8 +171,7 @@ static void __init voiceblue_init(void) omap_request_gpio(0); /* smc91x reset */ omap_request_gpio(7); - omap_set_gpio_direction(7, 0); - gpio_set_value(7, 1); + gpio_direction_output(7, 1); udelay(2); /* wait at least 100ns */ gpio_set_value(7, 0); mdelay(50); /* 50ms until PHY ready */ @@ -180,8 +179,7 @@ static void __init voiceblue_init(void) omap_request_gpio(8); /* 16C554 reset*/ omap_request_gpio(6); - omap_set_gpio_direction(6, 0); - gpio_set_value(6, 0); + gpio_direction_output(6, 0); /* 16C554 interrupt pins */ omap_request_gpio(12); omap_request_gpio(13); @@ -244,8 +242,7 @@ static int wdt_gpio_state; void voiceblue_wdt_enable(void) { - omap_set_gpio_direction(0, 0); - gpio_set_value(0, 0); + gpio_direction_output(0, 0); gpio_set_value(0, 1); gpio_set_value(0, 0); wdt_gpio_state = 0; diff --git a/arch/arm/mach-omap1/leds.c b/arch/arm/mach-omap1/leds.c index 6cdad93..540434e 100644 --- a/arch/arm/mach-omap1/leds.c +++ b/arch/arm/mach-omap1/leds.c @@ -48,13 +48,13 @@ omap_leds_init(void) */ omap_cfg_reg(P18_1610_GPIO3); if (omap_request_gpio(3) == 0) - omap_set_gpio_direction(3, 0); + gpio_direction_output(3, 1); else printk(KERN_WARNING "LED: can't get GPIO3/red?\n"); omap_cfg_reg(MPUIO4); if (omap_request_gpio(OMAP_MPUIO(4)) == 0) - omap_set_gpio_direction(OMAP_MPUIO(4), 0); + gpio_direction_output(OMAP_MPUIO(4), 1); else printk(KERN_WARNING "LED: can't get MPUIO4/green?\n"); } |