[PATCH 4/5] staging: kpc2000: remove unnecessary debug prints in fileops.c

Simon Sandström simon at nikanor.nu
Mon Jun 10 08:44:31 UTC 2019


Debug prints that are used only to inform about function entry or exit
can be removed as ftrace can be used to get this information.

Signed-off-by: Simon Sandström <simon at nikanor.nu>
---
 drivers/staging/kpc2000/kpc_dma/fileops.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c
index fdec1ab25dfd..f80b01715d93 100644
--- a/drivers/staging/kpc2000/kpc_dma/fileops.c
+++ b/drivers/staging/kpc2000/kpc_dma/fileops.c
@@ -54,8 +54,6 @@ int  kpc_dma_transfer(struct dev_private_data *priv, struct kiocb *kcb, unsigned
 	ldev = priv->ldev;
 	BUG_ON(ldev == NULL);
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(priv = [%p], kcb = [%p], iov_base = [%p], iov_len = %zu) ldev = [%p]\n", __func__, priv, kcb, (void *)iov_base, iov_len, ldev);
-
 	acd = kzalloc(sizeof(*acd), GFP_KERNEL);
 	if (!acd) {
 		dev_err(&priv->ldev->pldev->dev, "Couldn't kmalloc space for for the aio data\n");
@@ -218,8 +216,6 @@ void  transfer_complete_cb(struct aio_cb_data *acd, size_t xfr_count, u32 flags)
 	BUG_ON(acd->ldev == NULL);
 	BUG_ON(acd->ldev->pldev == NULL);
 
-	dev_dbg(&acd->ldev->pldev->dev, "%s(acd = [%p])\n", __func__, acd);
-
 	for (i = 0 ; i < acd->page_count ; i++) {
 		if (!PageReserved(acd->user_pages[i])) {
 			set_page_dirty(acd->user_pages[i]);
@@ -275,7 +271,6 @@ int  kpc_dma_open(struct inode *inode, struct file *filp)
 	priv->ldev = ldev;
 	filp->private_data = priv;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(inode = [%p], filp = [%p]) priv = [%p] ldev = [%p]\n", __func__, inode, filp, priv, priv->ldev);
 	return 0;
 }
 
@@ -286,8 +281,6 @@ int  kpc_dma_close(struct inode *inode, struct file *filp)
 	struct dev_private_data *priv = (struct dev_private_data *)filp->private_data;
 	struct kpc_dma_device *eng = priv->ldev;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(inode = [%p], filp = [%p]) priv = [%p], ldev = [%p]\n", __func__, inode, filp, priv, priv->ldev);
-
 	lock_engine(eng);
 
 	stop_dma_engine(eng);
@@ -330,8 +323,6 @@ ssize_t   kpc_dma_aio_read(struct kiocb *kcb, const struct iovec *iov, unsigned
 {
 	struct dev_private_data *priv = (struct dev_private_data *)kcb->ki_filp->private_data;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(kcb = [%p], iov = [%p], iov_count = %ld, pos = %lld) priv = [%p], ldev = [%p]\n", __func__, kcb, iov, iov_count, pos, priv, priv->ldev);
-
 	if (priv->ldev->dir != DMA_FROM_DEVICE)
 		return -EMEDIUMTYPE;
 
@@ -350,8 +341,6 @@ ssize_t  kpc_dma_aio_write(struct kiocb *kcb, const struct iovec *iov, unsigned
 {
 	struct dev_private_data *priv = (struct dev_private_data *)kcb->ki_filp->private_data;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(kcb = [%p], iov = [%p], iov_count = %ld, pos = %lld) priv = [%p], ldev = [%p]\n", __func__, kcb, iov, iov_count, pos, priv, priv->ldev);
-
 	if (priv->ldev->dir != DMA_TO_DEVICE)
 		return -EMEDIUMTYPE;
 
@@ -371,8 +360,6 @@ ssize_t  kpc_dma_read(struct file *filp,       char __user *user_buf, size_t cou
 {
 	struct dev_private_data *priv = (struct dev_private_data *)filp->private_data;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(filp = [%p], user_buf = [%p], count = %zu, ppos = [%p]) priv = [%p], ldev = [%p]\n", __func__, filp, user_buf, count, ppos, priv, priv->ldev);
-
 	if (priv->ldev->dir != DMA_FROM_DEVICE)
 		return -EMEDIUMTYPE;
 
@@ -384,8 +371,6 @@ ssize_t  kpc_dma_write(struct file *filp, const char __user *user_buf, size_t co
 {
 	struct dev_private_data *priv = (struct dev_private_data *)filp->private_data;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(filp = [%p], user_buf = [%p], count = %zu, ppos = [%p]) priv = [%p], ldev = [%p]\n", __func__, filp, user_buf, count, ppos, priv, priv->ldev);
-
 	if (priv->ldev->dir != DMA_TO_DEVICE)
 		return -EMEDIUMTYPE;
 
@@ -397,8 +382,6 @@ long  kpc_dma_ioctl(struct file *filp, unsigned int ioctl_num, unsigned long ioc
 {
 	struct dev_private_data *priv = (struct dev_private_data *)filp->private_data;
 
-	dev_dbg(&priv->ldev->pldev->dev, "%s(filp = [%p], ioctl_num = 0x%x, ioctl_param = 0x%lx) priv = [%p], ldev = [%p]\n", __func__, filp, ioctl_num, ioctl_param, priv, priv->ldev);
-
 	switch (ioctl_num) {
 	case KND_IOCTL_SET_CARD_ADDR:
 		priv->card_addr  = ioctl_param; return priv->card_addr;
-- 
2.20.1



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