diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-26 13:34:21 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-03-24 11:29:52 +0000 |
| commit | 07be45f57ebe037977c8033a008e9012617b1915 (patch) | |
| tree | a3b7f11eb00c78e5817c68412cad0e412a5c55db | |
| parent | e5c0fc4185c551c270868dcb6573604db2bc3171 (diff) | |
| download | um-headers-07be45f57ebe037977c8033a008e9012617b1915.tar.gz | |
ARM: sa1111: provide a generic way to prevent devices from registering
Some platforms don't want certain devices to be registered, because,
eg, the interface is not wired. Provide a way for platforms to
prevent various devices from being registered via a devid bitmask in
the platform data.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/common/sa1111.c | 7 | ||||
| -rw-r--r-- | arch/arm/include/asm/hardware/sa1111.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/lubbock.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/badge4.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/jornada720.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-sa1100/neponset.c | 1 |
6 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 4bdf1bb283dc80..17694cf64aa601 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -833,11 +833,8 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq) g_sa1111 = sachip; has_devs = ~0; - if (machine_is_assabet() || machine_is_jornada720() || - machine_is_badge4()) - has_devs &= ~SA1111_DEVID_PS2_MSE; - else - has_devs &= ~SA1111_DEVID_SAC; + if (pd) + has_devs &= ~pd->disable_devs; for (i = 0; i < ARRAY_SIZE(sa1111_devices); i++) if (sa1111_devices[i].devid & has_devs) diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h index 37ad29d482f434..74afe20fffff67 100644 --- a/arch/arm/include/asm/hardware/sa1111.h +++ b/arch/arm/include/asm/hardware/sa1111.h @@ -584,6 +584,7 @@ void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned i struct sa1111_platform_data { int irq_base; /* base for cascaded on-chip IRQs */ + unsigned disable_devs; void *data; int (*enable)(void *, unsigned); void (*disable)(void *, unsigned); diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 6ebd276aebeb48..6bb3f47b1f14e7 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -223,6 +223,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = LUBBOCK_SA1111_IRQ_BASE, + .disable_devs = SA1111_DEVID_SAC, }; static struct platform_device sa1111_device = { diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c index d84924993bad40..8fb80f02c2a922 100644 --- a/arch/arm/mach-sa1100/badge4.c +++ b/arch/arm/mach-sa1100/badge4.c @@ -66,6 +66,7 @@ static void badge4_sa1111_disable(void *data, unsigned devid) static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, .enable = badge4_sa1111_enable, .disable = badge4_sa1111_disable, }; diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c index ee121d6f048021..dcd6d026aa6878 100644 --- a/arch/arm/mach-sa1100/jornada720.c +++ b/arch/arm/mach-sa1100/jornada720.c @@ -211,6 +211,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; static u64 sa1111_dmamask = 0xffffffffUL; diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index b4fa53a1427e43..b40a7192f09f94 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -242,6 +242,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = IRQ_BOARD_END, + .disable_devs = SA1111_DEVID_PS2_MSE, }; static u64 sa1111_dmamask = 0xffffffffUL; |