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mfd: provide and use setup hook for tc6393xb

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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 <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Dmitry Baryshkov 2008-09-24 23:36:23 +02:00 • committed by Samuel Ortiz
commit 1c1b6ffce5
4 changed files with 45 additions and 17 deletions
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21
drivers/mfd/tc6393xb.c
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@ -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) {