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path: root/drivers/hsi/controllers/omap_ssi_core.c
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Diffstat (limited to 'drivers/hsi/controllers/omap_ssi_core.c')
-rw-r--r--drivers/hsi/controllers/omap_ssi_core.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/hsi/controllers/omap_ssi_core.c b/drivers/hsi/controllers/omap_ssi_core.c
index 26f2c3c01297..eeacc427fd65 100644
--- a/drivers/hsi/controllers/omap_ssi_core.c
+++ b/drivers/hsi/controllers/omap_ssi_core.c
@@ -17,6 +17,7 @@
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/delay.h>
+#include <linux/hsi/ssi_protocol.h>
#include <linux/seq_file.h>
#include <linux/scatterlist.h>
#include <linux/interrupt.h>
@@ -24,6 +25,7 @@
#include <linux/debugfs.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pm_runtime.h>
+#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/hsi/hsi.h>
#include <linux/idr.h>
@@ -114,22 +116,13 @@ static int ssi_debug_add_ctrl(struct hsi_controller *ssi)
/* SSI controller */
omap_ssi->dir = debugfs_create_dir(dev_name(&ssi->device), NULL);
- if (!omap_ssi->dir)
- return -ENOMEM;
+ debugfs_create_file("regs", S_IRUGO, omap_ssi->dir, ssi, &ssi_regs_fops);
- debugfs_create_file("regs", S_IRUGO, omap_ssi->dir, ssi,
- &ssi_regs_fops);
/* SSI GDD (DMA) */
dir = debugfs_create_dir("gdd", omap_ssi->dir);
- if (!dir)
- goto rback;
debugfs_create_file("regs", S_IRUGO, dir, ssi, &ssi_gdd_regs_fops);
return 0;
-rback:
- debugfs_remove_recursive(omap_ssi->dir);
-
- return -ENOMEM;
}
static void ssi_debug_remove_ctrl(struct hsi_controller *ssi)
@@ -353,7 +346,7 @@ static int ssi_add_controller(struct hsi_controller *ssi,
if (!omap_ssi)
return -ENOMEM;
- err = ida_simple_get(&platform_omap_ssi_ida, 0, 0, GFP_KERNEL);
+ err = ida_alloc(&platform_omap_ssi_ida, GFP_KERNEL);
if (err < 0)
return err;
ssi->id = err;
@@ -415,7 +408,7 @@ static int ssi_add_controller(struct hsi_controller *ssi,
return 0;
out_err:
- ida_simple_remove(&platform_omap_ssi_ida, ssi->id);
+ ida_free(&platform_omap_ssi_ida, ssi->id);
return err;
}
@@ -449,7 +442,7 @@ static void ssi_remove_controller(struct hsi_controller *ssi)
tasklet_kill(&omap_ssi->gdd_tasklet);
hsi_unregister_controller(ssi);
clk_notifier_unregister(omap_ssi->fck, &omap_ssi->fck_nb);
- ida_simple_remove(&platform_omap_ssi_ida, id);
+ ida_free(&platform_omap_ssi_ida, id);
}
static inline int ssi_of_get_available_ports_count(const struct device_node *np)
@@ -545,7 +538,7 @@ out1:
return err;
}
-static int ssi_remove(struct platform_device *pd)
+static void ssi_remove(struct platform_device *pd)
{
struct hsi_controller *ssi = platform_get_drvdata(pd);
@@ -559,8 +552,6 @@ static int ssi_remove(struct platform_device *pd)
platform_set_drvdata(pd, NULL);
pm_runtime_disable(&pd->dev);
-
- return 0;
}
#ifdef CONFIG_PM
@@ -616,7 +607,7 @@ MODULE_DEVICE_TABLE(of, omap_ssi_of_match);
static struct platform_driver ssi_pdriver = {
.probe = ssi_probe,
- .remove = ssi_remove,
+ .remove = ssi_remove,
.driver = {
.name = "omap_ssi",
.pm = DEV_PM_OPS,