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Date: Wed, 1 Mar 2017 16:55:19 +0100
From: Romain Perier <romain.perier@...labora.com>
To: Dan Williams <dan.j.williams@...el.com>,
Doug Ledford <dledford@...hat.com>,
Sean Hefty <sean.hefty@...el.com>,
Hal Rosenstock <hal.rosenstock@...il.com>,
jeffrey.t.kirsher@...el.com,
"David S. Miller" <davem@...emloft.net>, stas.yakovlev@...il.com,
"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Felipe Balbi <balbi@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
linux-usb@...r.kernel.org, linux-scsi@...r.kernel.org,
linux-kernel@...r.kernel.org,
Romain Perier <romain.perier@...labora.com>,
Peter Senna Tschudin <peter.senna@...labora.co.uk>
Subject: [PATCH v4 17/19] usb: gadget: pch_udc: Replace PCI pool old API
The PCI pool API is deprecated. This commits replaces the PCI pool old
API by the appropriated function with the DMA pool API.
Signed-off-by: Romain Perier <romain.perier@...labora.com>
Reviewed-by: Peter Senna Tschudin <peter.senna@...labora.com>
---
drivers/usb/gadget/udc/pch_udc.c | 31 +++++++++++++++----------------
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index a97da64..84dcbcd 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -355,8 +355,8 @@ struct pch_udc_dev {
vbus_session:1,
set_cfg_not_acked:1,
waiting_zlp_ack:1;
- struct pci_pool *data_requests;
- struct pci_pool *stp_requests;
+ struct dma_pool *data_requests;
+ struct dma_pool *stp_requests;
dma_addr_t dma_addr;
struct usb_ctrlrequest setup_data;
void __iomem *base_addr;
@@ -1522,7 +1522,7 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev,
/* do not free first desc., will be done by free for request */
td = phys_to_virt(addr);
addr2 = (dma_addr_t)td->next;
- pci_pool_free(dev->data_requests, td, addr);
+ dma_pool_free(dev->data_requests, td, addr);
td->next = 0x00;
addr = addr2;
}
@@ -1539,7 +1539,7 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev,
*
* Return codes:
* 0: success,
- * -ENOMEM: pci_pool_alloc invocation fails
+ * -ENOMEM: dma_pool_alloc invocation fails
*/
static int pch_udc_create_dma_chain(struct pch_udc_ep *ep,
struct pch_udc_request *req,
@@ -1565,7 +1565,7 @@ static int pch_udc_create_dma_chain(struct pch_udc_ep *ep,
if (bytes <= buf_len)
break;
last = td;
- td = pci_pool_alloc(ep->dev->data_requests, gfp_flags,
+ td = dma_pool_alloc(ep->dev->data_requests, gfp_flags,
&dma_addr);
if (!td)
goto nomem;
@@ -1770,7 +1770,7 @@ static struct usb_request *pch_udc_alloc_request(struct usb_ep *usbep,
if (!ep->dev->dma_addr)
return &req->req;
/* ep0 in requests are allocated from data pool here */
- dma_desc = pci_pool_alloc(ep->dev->data_requests, gfp,
+ dma_desc = dma_pool_alloc(ep->dev->data_requests, gfp,
&req->td_data_phys);
if (NULL == dma_desc) {
kfree(req);
@@ -1809,7 +1809,7 @@ static void pch_udc_free_request(struct usb_ep *usbep,
if (req->td_data != NULL) {
if (req->chain_len > 1)
pch_udc_free_dma_chain(ep->dev, req);
- pci_pool_free(ep->dev->data_requests, req->td_data,
+ dma_pool_free(ep->dev->data_requests, req->td_data,
req->td_data_phys);
}
kfree(req);
@@ -2914,7 +2914,7 @@ static int init_dma_pools(struct pch_udc_dev *dev)
void *ep0out_buf;
/* DMA setup */
- dev->data_requests = pci_pool_create("data_requests", dev->pdev,
+ dev->data_requests = dma_pool_create("data_requests", &dev->pdev->dev,
sizeof(struct pch_udc_data_dma_desc), 0, 0);
if (!dev->data_requests) {
dev_err(&dev->pdev->dev, "%s: can't get request data pool\n",
@@ -2923,7 +2923,7 @@ static int init_dma_pools(struct pch_udc_dev *dev)
}
/* dma desc for setup data */
- dev->stp_requests = pci_pool_create("setup requests", dev->pdev,
+ dev->stp_requests = dma_pool_create("setup requests", &dev->pdev->dev,
sizeof(struct pch_udc_stp_dma_desc), 0, 0);
if (!dev->stp_requests) {
dev_err(&dev->pdev->dev, "%s: can't get setup request pool\n",
@@ -2931,7 +2931,7 @@ static int init_dma_pools(struct pch_udc_dev *dev)
return -ENOMEM;
}
/* setup */
- td_stp = pci_pool_alloc(dev->stp_requests, GFP_KERNEL,
+ td_stp = dma_pool_alloc(dev->stp_requests, GFP_KERNEL,
&dev->ep[UDC_EP0OUT_IDX].td_stp_phys);
if (!td_stp) {
dev_err(&dev->pdev->dev,
@@ -2941,7 +2941,7 @@ static int init_dma_pools(struct pch_udc_dev *dev)
dev->ep[UDC_EP0OUT_IDX].td_stp = td_stp;
/* data: 0 packets !? */
- td_data = pci_pool_alloc(dev->data_requests, GFP_KERNEL,
+ td_data = dma_pool_alloc(dev->data_requests, GFP_KERNEL,
&dev->ep[UDC_EP0OUT_IDX].td_data_phys);
if (!td_data) {
dev_err(&dev->pdev->dev,
@@ -3021,22 +3021,21 @@ static void pch_udc_remove(struct pci_dev *pdev)
dev_err(&pdev->dev,
"%s: gadget driver still bound!!!\n", __func__);
/* dma pool cleanup */
- if (dev->data_requests)
- pci_pool_destroy(dev->data_requests);
+ dma_pool_destroy(dev->data_requests);
if (dev->stp_requests) {
/* cleanup DMA desc's for ep0in */
if (dev->ep[UDC_EP0OUT_IDX].td_stp) {
- pci_pool_free(dev->stp_requests,
+ dma_pool_free(dev->stp_requests,
dev->ep[UDC_EP0OUT_IDX].td_stp,
dev->ep[UDC_EP0OUT_IDX].td_stp_phys);
}
if (dev->ep[UDC_EP0OUT_IDX].td_data) {
- pci_pool_free(dev->stp_requests,
+ dma_pool_free(dev->stp_requests,
dev->ep[UDC_EP0OUT_IDX].td_data,
dev->ep[UDC_EP0OUT_IDX].td_data_phys);
}
- pci_pool_destroy(dev->stp_requests);
+ dma_pool_destroy(dev->stp_requests);
}
if (dev->dma_addr)
--
2.9.3
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