diff options
Diffstat (limited to 'arch/arm/mach-omap2/gpmc.c')
| -rw-r--r-- | arch/arm/mach-omap2/gpmc.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 5ac5cf30406..92b5718fa72 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -868,9 +868,9 @@ static void __devexit gpmc_mem_exit(void) } -static void __devinit gpmc_mem_init(void) +static int __devinit gpmc_mem_init(void) { - int cs; + int cs, rc; unsigned long boot_rom_space = 0; /* never allocate the first page, to facilitate bug detection; @@ -890,13 +890,21 @@ static void __devinit gpmc_mem_init(void) if (!gpmc_cs_mem_enabled(cs)) continue; gpmc_cs_get_memconf(cs, &base, &size); - if (gpmc_cs_insert_mem(cs, base, size) < 0) - BUG(); + rc = gpmc_cs_insert_mem(cs, base, size); + if (IS_ERR_VALUE(rc)) { + while (--cs >= 0) + if (gpmc_cs_mem_enabled(cs)) + gpmc_cs_delete_mem(cs); + return rc; + } } + + return 0; } static __devinit int gpmc_probe(struct platform_device *pdev) { + int rc; u32 l; struct resource *res; @@ -936,7 +944,13 @@ static __devinit int gpmc_probe(struct platform_device *pdev) dev_info(gpmc_dev, "GPMC revision %d.%d\n", GPMC_REVISION_MAJOR(l), GPMC_REVISION_MINOR(l)); - gpmc_mem_init(); + rc = gpmc_mem_init(); + if (IS_ERR_VALUE(rc)) { + clk_disable_unprepare(gpmc_l3_clk); + clk_put(gpmc_l3_clk); + dev_err(gpmc_dev, "failed to reserve memory\n"); + return rc; + } if (IS_ERR_VALUE(gpmc_setup_irq())) dev_warn(gpmc_dev, "gpmc_setup_irq failed\n"); |