diff options
author | Sam Muhammed <jane.pnx9@gmail.com> | 2020-03-25 10:26:38 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-25 19:38:39 +0100 |
commit | b1436fe3e286fc1b04b3f4900905230b00a6b8fd (patch) | |
tree | bd47a1cb30512fd57c86db515efb8a2b320743b6 | |
parent | 5122be4f4fc69e507c874823efcef24e14634614 (diff) |
Staging: kpc2000: kpc_dma: Remove unnecessary braces.
Remove braces of single statement blocks,
they are not really needed.
Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com>
Link: https://lore.kernel.org/r/0a3ec63321dce008fc8dd790f42ef8490135b307.1585143581.git.jane.pnx9@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/kpc2000/kpc_dma/dma.c | 5 | ||||
-rw-r--r-- | drivers/staging/kpc2000/kpc_dma/fileops.c | 20 | ||||
-rw-r--r-- | drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c | 3 |
3 files changed, 12 insertions, 16 deletions
diff --git a/drivers/staging/kpc2000/kpc_dma/dma.c b/drivers/staging/kpc2000/kpc_dma/dma.c index 4bfbc717bc07..5ccc93ed2b61 100644 --- a/drivers/staging/kpc2000/kpc_dma/dma.c +++ b/drivers/staging/kpc2000/kpc_dma/dma.c @@ -97,11 +97,10 @@ int setup_dma_engine(struct kpc_dma_device *eng, u32 desc_cnt) if (WARN(!(caps & ENG_CAP_PRESENT), "%s() called for DMA Engine at %p which isn't present in hardware!\n", __func__, eng)) return -ENXIO; - if (caps & ENG_CAP_DIRECTION) { + if (caps & ENG_CAP_DIRECTION) eng->dir = DMA_FROM_DEVICE; - } else { + else eng->dir = DMA_TO_DEVICE; - } eng->desc_pool_cnt = desc_cnt; eng->desc_pool = dma_pool_create("KPC DMA Descriptors", &eng->pldev->dev, sizeof(struct kpc_dma_descriptor), DMA_DESC_ALIGNMENT, 4096); diff --git a/drivers/staging/kpc2000/kpc_dma/fileops.c b/drivers/staging/kpc2000/kpc_dma/fileops.c index 21ebab7dbc7b..d93097ed781c 100644 --- a/drivers/staging/kpc2000/kpc_dma/fileops.c +++ b/drivers/staging/kpc2000/kpc_dma/fileops.c @@ -126,11 +126,11 @@ static int kpc_dma_transfer(struct dev_private_data *priv, // Fill out the descriptor BUG_ON(!desc); clear_desc(desc); - if (p != pcnt-1) { + if (p != pcnt-1) desc->DescByteCount = 0x80000; - } else { + else desc->DescByteCount = sg_dma_len(sg) - (p * 0x80000); - } + desc->DescBufferByteCount = desc->DescByteCount; desc->DescControlFlags |= DMA_DESC_CTL_IRQONERR; @@ -148,9 +148,9 @@ static int kpc_dma_transfer(struct dev_private_data *priv, desc->DescSystemAddrMS = (dma_addr & 0xFFFFFFFF00000000UL) >> 32; user_ctl = acd->priv->user_ctl; - if (i == acd->mapped_entry_count-1 && p == pcnt-1) { + if (i == acd->mapped_entry_count-1 && p == pcnt-1) user_ctl = acd->priv->user_ctl_last; - } + desc->DescUserControlLS = (user_ctl & 0x00000000FFFFFFFFUL) >> 0; desc->DescUserControlMS = (user_ctl & 0xFFFFFFFF00000000UL) >> 32; @@ -188,9 +188,9 @@ static int kpc_dma_transfer(struct dev_private_data *priv, sg_free_table(&acd->sgt); err_dma_map_sg: err_alloc_sg_table: - for (i = 0 ; i < acd->page_count ; i++) { + for (i = 0 ; i < acd->page_count ; i++) put_page(acd->user_pages[i]); - } + err_get_user_pages: kfree(acd->user_pages); err_alloc_userpages: @@ -210,16 +210,14 @@ void transfer_complete_cb(struct aio_cb_data *acd, size_t xfr_count, u32 flags) BUG_ON(!acd->ldev->pldev); for (i = 0 ; i < acd->page_count ; i++) { - if (!PageReserved(acd->user_pages[i])) { + if (!PageReserved(acd->user_pages[i])) set_page_dirty(acd->user_pages[i]); - } } dma_unmap_sg(&acd->ldev->pldev->dev, acd->sgt.sgl, acd->sgt.nents, acd->ldev->dir); - for (i = 0 ; i < acd->page_count ; i++) { + for (i = 0 ; i < acd->page_count ; i++) put_page(acd->user_pages[i]); - } sg_free_table(&acd->sgt); diff --git a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c index 25ea16a1981e..bc81afb6ade2 100644 --- a/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c +++ b/drivers/staging/kpc2000/kpc_dma/kpc_dma_driver.c @@ -26,9 +26,8 @@ struct kpc_dma_device *kpc_dma_lookup_device(int minor) mutex_lock(&kpc_dma_mtx); list_for_each_entry(c, &kpc_dma_list, list) { - if (c->pldev->id == minor) { + if (c->pldev->id == minor) goto out; - } } c = NULL; // not-found case out: |