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staging: fsl-mc: remove slab cache for mc devices

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Let's drop the slab cache for objects
until we actually have proof that it improves
performance. This makes the code cleaner.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laurentiu Tudor 2017-02-07 09:43:48 -06:00 committed by Greg Kroah-Hartman
parent dc341c4ec2
commit 9b65332e0e
1 changed files with 3 additions and 14 deletions
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17
drivers/staging/fsl-mc/bus/fsl-mc-bus.c
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@ -27,8 +27,6 @@
#include "fsl-mc-private.h"
#include "dprc-cmd.h"
static struct kmem_cache *mc_dev_cache;
/**
* Default DMA mask for devices on a fsl-mc bus
*/
@ -432,7 +430,7 @@ static void fsl_mc_device_release(struct device *dev)
if (mc_bus)
kfree(mc_bus);
else
kmem_cache_free(mc_dev_cache, mc_dev);
kfree(mc_dev);
}
/**
@ -466,7 +464,7 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc,
/*
* Allocate a regular fsl_mc_device object:
*/
mc_dev = kmem_cache_zalloc(mc_dev_cache, GFP_KERNEL);
mc_dev = kzalloc(sizeof(*mc_dev), GFP_KERNEL);
if (!mc_dev)
return -ENOMEM;
}
@ -564,7 +562,7 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc,
if (mc_bus)
kfree(mc_bus);
else
kmem_cache_free(mc_dev_cache, mc_dev);
kfree(mc_dev);
return error;
}
@ -823,14 +821,6 @@ static int __init fsl_mc_bus_driver_init(void)
{
int error;
mc_dev_cache = kmem_cache_create("fsl_mc_device",
sizeof(struct fsl_mc_device), 0, 0,
NULL);
if (!mc_dev_cache) {
pr_err("Could not create fsl_mc_device cache\n");
return -ENOMEM;
}
error = bus_register(&fsl_mc_bus_type);
if (error < 0) {
pr_err("bus type registration failed: %d\n", error);
@ -870,7 +860,6 @@ static int __init fsl_mc_bus_driver_init(void)
bus_unregister(&fsl_mc_bus_type);
error_cleanup_cache:
kmem_cache_destroy(mc_dev_cache);
return error;
}
postcore_initcall(fsl_mc_bus_driver_init);