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powerpc/powernv: Use ssize_t for sysparam return values 

The OPAL calls are returning int64_t values, which the sysparam code
stores in an int, and the sysfs callback returns ssize_t. Make code a
easier to read by consistently using ssize_t.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Joel Stanley 2014-04-24 16:55:34 +09:30 committed by Benjamin Herrenschmidt
parent ba9a32b176
commit b8569d2304
1 changed files with 6 additions and 5 deletions
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11
arch/powerpc/platforms/powernv/opal-sysparam.c
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@ -39,10 +39,11 @@ struct param_attr {
struct kobj_attribute kobj_attr;
};
static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer)
{
struct opal_msg msg;
int ret, token;
ssize_t ret;
int token;
token = opal_async_get_token_interruptible();
if (token < 0) {
@ -59,7 +60,7 @@ static int opal_get_sys_param(u32 param_id, u32 length, void *buffer)
ret = opal_async_wait_response(token, &msg);
if (ret) {
pr_err("%s: Failed to wait for the async response, %d\n",
pr_err("%s: Failed to wait for the async response, %zd\n",
__func__, ret);
goto out_token;
}
@ -111,7 +112,7 @@ static ssize_t sys_param_show(struct kobject *kobj,
{
struct param_attr *attr = container_of(kobj_attr, struct param_attr,
kobj_attr);
int ret;
ssize_t ret;
mutex_lock(&opal_sysparam_mutex);
ret = opal_get_sys_param(attr->param_id, attr->param_size,
@ -132,7 +133,7 @@ static ssize_t sys_param_store(struct kobject *kobj,
{
struct param_attr *attr = container_of(kobj_attr, struct param_attr,
kobj_attr);
int ret;
ssize_t ret;
mutex_lock(&opal_sysparam_mutex);
memcpy(param_data_buf, buf, count);