summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/gpmc.c
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2012-11-06 07:51:06 -0800
committerOlof Johansson <olof@lixom.net>2012-11-06 07:51:06 -0800
commit66267ee58732bb4c21c7bbba004ee481b8ad2b30 (patch)
treebf7f72e623d7c1ca6472e0a1286e802cd3bff139 /arch/arm/mach-omap2/gpmc.c
parent6ed68a6d83e4497dc33581ccc82b4fa3e7e8226d (diff)
parentf58007762f537ba13674a3138b3f4c20fff1cba9 (diff)
downloadlinux-66267ee58732bb4c21c7bbba004ee481b8ad2b30.tar.bz2
Merge branch 'arm-next' of git://git.xilinx.com/linux-xlnx into next/cleanup
From Michal Simek: * 'arm-next' of git://git.xilinx.com/linux-xlnx: zynq: move static peripheral mappings zynq: remove use of CLKDEV_LOOKUP zynq: use pl310 device tree bindings zynq: use GIC device tree bindings + Linux 3.7-rc3
Diffstat (limited to 'arch/arm/mach-omap2/gpmc.c')
-rw-r--r--arch/arm/mach-omap2/gpmc.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 5ac5cf30406a..92b5718fa722 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");