linux-kernel - [PATCH -next] Staging: kpc2000: kpc

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Date:   Tue, 11 Jun 2019 21:42:28 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <gregkh@...uxfoundation.org>, <bnvandana@...il.com>,
        <Matt.Sickler@...tronics.com>, <valerio.click@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] Staging: kpc2000: kpc_dma: Make some symbols static

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 <hulkci@...wei.com>
Signed-off-by: YueHaibing <yuehaibing@...wei.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