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Merge branch 'omap-fixes-urgent' of git://git.linaro.org/people/rmk/linux-arm

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This pull request covers the major oopsing issues with OMAP, caused by
the lack of the TWL driver.  Even when the TWL driver is not built in,
we shouldn't oops.

* 'omap-fixes-urgent' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: omap: fix broken twl-core dependencies and ifdefs
  ARM: omap: fix oops in drivers/video/omap2/dss/dpi.c
  ARM: omap: fix oops in arch/arm/mach-omap2/vp.c when pmic is not found
This commit is contained in:
Linus Torvalds 2012-02-13 14:15:22 -08:00
commit a269c2f5a5
4 changed files with 15 additions and 3 deletions
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5
arch/arm/mach-omap2/vp.c
View File

@ -41,6 +41,11 @@ void __init omap_vp_init(struct voltagedomain *voltdm)
u32 val, sys_clk_rate, timeout, waittime;
u32 vddmin, vddmax, vstepmin, vstepmax;
if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) {
pr_err("%s: No PMIC info for vdd_%s\n", __func__, voltdm->name);
return;
}
if (!voltdm->read || !voltdm->write) {
pr_err("%s: No read/write API for accessing vdd_%s regs\n",
__func__, voltdm->name);

2
drivers/mfd/Kconfig
View File

@ -200,7 +200,7 @@ config MENELAUS
config TWL4030_CORE
bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support"
depends on I2C=y && GENERIC_HARDIRQS && IRQ_DOMAIN
depends on I2C=y && GENERIC_HARDIRQS
help
Say yes here if you have TWL4030 / TWL6030 family chip on your board.
This core driver provides register access and IRQ handling

6
drivers/mfd/twl-core.c
View File

@ -263,7 +263,9 @@ struct twl_client {
static struct twl_client twl_modules[TWL_NUM_SLAVES];
#ifdef CONFIG_IRQ_DOMAIN
static struct irq_domain domain;
#endif
/* mapping the module id to slave id and base address */
struct twl_mapping {
@ -1226,13 +1228,13 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
pdata->irq_base = status;
pdata->irq_end = pdata->irq_base + nr_irqs;
#ifdef CONFIG_IRQ_DOMAIN
domain.irq_base = pdata->irq_base;
domain.nr_irq = nr_irqs;
#ifdef CONFIG_OF_IRQ
domain.of_node = of_node_get(node);
domain.ops = &irq_domain_simple_ops;
#endif
irq_domain_add(&domain);
#endif
if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
dev_dbg(&client->dev, "can't talk I2C?\n");

5
drivers/video/omap2/dss/dpi.c
View File

@ -180,6 +180,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
int r;
if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
DSSERR("no VDSS_DSI regulator\n");
return -ENODEV;
}
if (dssdev->manager == NULL) {
DSSERR("failed to enable display: no manager\n");
return -ENODEV;