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authorDmitry Baryshkov <dbaryshkov@gmail.com>2008-09-24 23:36:23 +0200
committerSamuel Ortiz <samuel@sortiz.org>2008-10-19 22:54:09 +0200
commit1c1b6ffce5737d764cc474b9bd6677bb9a344094 (patch)
treeb637110fe6282769104b72d08b3864ed1538bf96 /drivers/mfd
parent80e74a805f0a6662b9b8de519439afd06ac35427 (diff)
downloadop-kernel-dev-1c1b6ffce5737d764cc474b9bd6677bb9a344094.zip
op-kernel-dev-1c1b6ffce5737d764cc474b9bd6677bb9a344094.tar.gz
mfd: provide and use setup hook for tc6393xb
Instead of using bitfields for initial gpio setup, provide generic setup/teardown hooks that can be used to set the gpio states, register child devices, etc. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/tc6393xb.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index e4c1c78..83dc703 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -460,13 +460,6 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
tc6393xb->suspend_state.fer = 0;
- for (i = 0; i < 3; i++) {
- tc6393xb->suspend_state.gpo_dsr[i] =
- (tcpd->scr_gpo_dsr >> (8 * i)) & 0xff;
- tc6393xb->suspend_state.gpo_doecr[i] =
- (tcpd->scr_gpo_doecr >> (8 * i)) & 0xff;
- }
-
tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 |
SCR_CCR_HCLK_48;
@@ -488,6 +481,12 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
tc6393xb_attach_irq(dev);
+ if (tcpd->setup) {
+ ret = tcpd->setup(dev);
+ if (ret)
+ goto err_setup;
+ }
+
tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data;
tc6393xb_cells[TC6393XB_CELL_NAND].platform_data =
&tc6393xb_cells[TC6393XB_CELL_NAND];
@@ -506,6 +505,10 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
if (!ret)
return 0;
+ if (tcpd->teardown)
+ tcpd->teardown(dev);
+
+err_setup:
tc6393xb_detach_irq(dev);
err_gpio_add:
@@ -535,6 +538,10 @@ static int __devexit tc6393xb_remove(struct platform_device *dev)
int ret;
mfd_remove_devices(&dev->dev);
+
+ if (tcpd->teardown)
+ tcpd->teardown(dev);
+
tc6393xb_detach_irq(dev);
if (tc6393xb->gpio.base != -1) {
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