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ARM: sa1111: change devid to be a bitmask

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Change the sa1111 device id to be a bitmask.  This allows us to
specify the actual device, while allowing a single driver to bind
to both PS2 devices.

Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2012-01-25 10:42:52 +00:00
parent 3259701cc2
commit e5c0fc4185
2 changed files with 17 additions and 15 deletions
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12
arch/arm/common/sa1111.c
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@@ -158,7 +158,7 @@ static struct sa1111_dev_info sa1111_devices[] = {
{
.offset = SA1111_KBD,
.skpcr_mask = SKPCR_PTCLKEN,
.devid = SA1111_DEVID_PS2,
.devid = SA1111_DEVID_PS2_KBD,
.irq = {
IRQ_TPRXINT,
IRQ_TPTXINT
@@ -167,7 +167,7 @@ static struct sa1111_dev_info sa1111_devices[] = {
{
.offset = SA1111_MSE,
.skpcr_mask = SKPCR_PMCLKEN,
.devid = SA1111_DEVID_PS2,
.devid = SA1111_DEVID_PS2_MSE,
.irq = {
IRQ_MSRXINT,
IRQ_MSTXINT
@@ -835,12 +835,12 @@ __sa1111_probe(struct device *me, struct resource *mem, int irq)
has_devs = ~0;
if (machine_is_assabet() || machine_is_jornada720() ||
machine_is_badge4())
has_devs &= ~(1 << 4);
has_devs &= ~SA1111_DEVID_PS2_MSE;
else
has_devs &= ~(1 << 1);
has_devs &= ~SA1111_DEVID_SAC;
for (i = 0; i < ARRAY_SIZE(sa1111_devices); i++)
if (has_devs & (1 << i))
if (sa1111_devices[i].devid & has_devs)
sa1111_init_one_child(sachip, mem, &sa1111_devices[i]);
return 0;
@@ -1335,7 +1335,7 @@ static int sa1111_match(struct device *_dev, struct device_driver *_drv)
struct sa1111_dev *dev = SA1111_DEV(_dev);
struct sa1111_driver *drv = SA1111_DRV(_drv);
return dev->devid == drv->devid;
return dev->devid & drv->devid;
}
static int sa1111_bus_suspend(struct device *dev, pm_message_t state)