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path: root/drivers/soc/ti/pm33xx.c
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Diffstat (limited to 'drivers/soc/ti/pm33xx.c')
-rw-r--r--drivers/soc/ti/pm33xx.c61
1 files changed, 25 insertions, 36 deletions
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c
index f04c21157904..dc52a2197d24 100644
--- a/drivers/soc/ti/pm33xx.c
+++ b/drivers/soc/ti/pm33xx.c
@@ -145,7 +145,7 @@ static int am33xx_do_sram_idle(u32 wfi_flags)
return pm_ops->cpu_suspend(am33xx_do_wfi_sram, wfi_flags);
}
-static int __init am43xx_map_gic(void)
+static int am43xx_map_gic(void)
{
gic_dist_base = ioremap(AM43XX_GIC_DIST_BASE, SZ_4K);
@@ -383,54 +383,44 @@ static void am33xx_pm_free_sram(void)
*/
static int am33xx_pm_alloc_sram(void)
{
- struct device_node *np;
- int ret = 0;
+ struct device_node *np __free(device_node) =
+ of_find_compatible_node(NULL, NULL, "ti,omap3-mpu");
- np = of_find_compatible_node(NULL, NULL, "ti,omap3-mpu");
if (!np) {
np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu");
- if (!np) {
- dev_err(pm33xx_dev, "PM: %s: Unable to find device node for mpu\n",
- __func__);
- return -ENODEV;
- }
+ if (!np)
+ return dev_err_probe(pm33xx_dev, -ENODEV,
+ "PM: %s: Unable to find device node for mpu\n",
+ __func__);
}
sram_pool = of_gen_pool_get(np, "pm-sram", 0);
- if (!sram_pool) {
- dev_err(pm33xx_dev, "PM: %s: Unable to get sram pool for ocmcram\n",
- __func__);
- ret = -ENODEV;
- goto mpu_put_node;
- }
+ if (!sram_pool)
+ return dev_err_probe(pm33xx_dev, -ENODEV,
+ "PM: %s: Unable to get sram pool for ocmcram\n",
+ __func__);
sram_pool_data = of_gen_pool_get(np, "pm-sram", 1);
- if (!sram_pool_data) {
- dev_err(pm33xx_dev, "PM: %s: Unable to get sram data pool for ocmcram\n",
- __func__);
- ret = -ENODEV;
- goto mpu_put_node;
- }
+ if (!sram_pool_data)
+ return dev_err_probe(pm33xx_dev, -ENODEV,
+ "PM: %s: Unable to get sram data pool for ocmcram\n",
+ __func__);
ocmcram_location = gen_pool_alloc(sram_pool, *pm_sram->do_wfi_sz);
- if (!ocmcram_location) {
- dev_err(pm33xx_dev, "PM: %s: Unable to allocate memory from ocmcram\n",
- __func__);
- ret = -ENOMEM;
- goto mpu_put_node;
- }
+ if (!ocmcram_location)
+ return dev_err_probe(pm33xx_dev, -ENOMEM,
+ "PM: %s: Unable to allocate memory from ocmcram\n",
+ __func__);
ocmcram_location_data = gen_pool_alloc(sram_pool_data,
sizeof(struct emif_regs_amx3));
if (!ocmcram_location_data) {
- dev_err(pm33xx_dev, "PM: Unable to allocate memory from ocmcram\n");
gen_pool_free(sram_pool, ocmcram_location, *pm_sram->do_wfi_sz);
- ret = -ENOMEM;
+ return dev_err_probe(pm33xx_dev, -ENOMEM,
+ "PM: Unable to allocate memory from ocmcram\n");
}
-mpu_put_node:
- of_node_put(np);
- return ret;
+ return 0;
}
static int am33xx_pm_rtc_setup(void)
@@ -450,14 +440,14 @@ static int am33xx_pm_rtc_setup(void)
rtc_base_virt = of_iomap(np, 0);
if (!rtc_base_virt) {
- pr_warn("PM: could not iomap rtc");
+ pr_warn("PM: could not iomap rtc\n");
error = -ENODEV;
goto err_clk_put;
}
omap_rtc = rtc_class_open("rtc0");
if (!omap_rtc) {
- pr_warn("PM: rtc0 not available");
+ pr_warn("PM: rtc0 not available\n");
error = -EPROBE_DEFER;
goto err_iounmap;
}
@@ -583,7 +573,7 @@ err_wkup_m3_ipc_put:
return ret;
}
-static int am33xx_pm_remove(struct platform_device *pdev)
+static void am33xx_pm_remove(struct platform_device *pdev)
{
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
@@ -594,7 +584,6 @@ static int am33xx_pm_remove(struct platform_device *pdev)
am33xx_pm_free_sram();
iounmap(rtc_base_virt);
clk_put(rtc_fck);
- return 0;
}
static struct platform_driver am33xx_pm_driver = {