[PATCH -next] Staging: kpc2000: kpc_dma: Make some symbols static

[YueHaibing]

Fix sparse warnings:

drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:46:6: warning: symbol 
'kpc_dma_del_device' was not declared. Should it be static?
drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:84:1: warning: symbol 
'dev_attr_engine_regs' was not declared. Should it be static?
drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:91:14: warning: symbol 
'kpc_dma_class' was not declared. Should it be static?
drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c:199:24: warning: symbol 
'kpc_dma_plat_driver_i' was not declared. Should it be static?

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c 
b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c
index 9acf1ea..ca76073 100644
--- a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c
+++ b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c
@@ -43,7 +43,7 @@ static void kpc_dma_add_device(struct kpc_dma_device *ldev)
        mutex_unlock(&kpc_dma_mtx);
 }
 
-void kpc_dma_del_device(struct kpc_dma_device *ldev)
+static void kpc_dma_del_device(struct kpc_dma_device *ldev)
 {
        mutex_lock(&kpc_dma_mtx);
        list_del(&ldev->list);
@@ -81,14 +81,14 @@ static ssize_t  show_engine_regs(struct device *dev, struct 
device_attribute *at
                ldev->desc_completed
        );
 }
-DEVICE_ATTR(engine_regs, 0444, show_engine_regs, NULL);
+static DEVICE_ATTR(engine_regs, 0444, show_engine_regs, NULL);
 
 static const struct attribute *ndd_attr_list[] = {
        &dev_attr_engine_regs.attr,
        NULL,
 };
 
-struct class *kpc_dma_class;
+static struct class *kpc_dma_class;
 
 /**********  Platform Driver Functions  **********/
 static
@@ -196,7 +196,7 @@ int  kpc_dma_remove(struct platform_device *pldev)
 }
 
 /**********  Driver Functions  **********/
-struct platform_driver kpc_dma_plat_driver_i = {
+static struct platform_driver kpc_dma_plat_driver_i = {
        .probe        = kpc_dma_probe,
        .remove       = kpc_dma_remove,
        .driver = {
-- 
2.7.4


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