A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-07 20:33:58 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge "dwc3-msm: Map IPA GSI channel doorbell register for different UDC core"

Browse source
This commit is contained in:
qctecmdr 2020-10-03 04:38:40 -07:00 • committed by Gerrit - the friendly Code Review server
commit a859fa7618
2 changed files with 13 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
drivers/usb/dwc3/dwc3-msm.c
View file

@ -1264,11 +1264,20 @@ static void gsi_store_ringbase_dbl_info(struct usb_ep *ep,
lower_32_bits(dwc3_trb_dma_offset(dep, &dep->trb_pool[0])),
upper_32_bits(dwc3_trb_dma_offset(dep, &dep->trb_pool[0])));
if (request->mapped_db_reg_phs_addr_lsb &&
dwc->sysdev != request->dev) {
dma_unmap_resource(request->dev,
request->mapped_db_reg_phs_addr_lsb,
PAGE_SIZE, DMA_BIDIRECTIONAL, 0);
request->mapped_db_reg_phs_addr_lsb = 0;
}
if (!request->mapped_db_reg_phs_addr_lsb) {
request->mapped_db_reg_phs_addr_lsb =
dma_map_resource(dwc->sysdev,
(phys_addr_t)request->db_reg_phs_addr_lsb,
PAGE_SIZE, DMA_BIDIRECTIONAL, 0);
request->dev = dwc->sysdev;
if (dma_mapping_error(dwc->sysdev,
request->mapped_db_reg_phs_addr_lsb))
dev_err(mdwc->dev, "mapping error for db_reg_phs_addr_lsb\n");

4
include/linux/usb/dwc3-msm.h
View file

@ -68,6 +68,9 @@ enum gsi_ep_op {
* @mapped_db_reg_phs_addr_lsb: doorbell LSB IOVA address mapped with IOMMU
* @db_reg_phs_addr_msb: IPA channel doorbell register's physical address MSB
* @ep_intr_num: Interrupter number for EP.
* @sgt_trb_xfer_ring: USB TRB ring related sgtable entries
* @sgt_data_buff: Data buffer related sgtable entries
* @dev: pointer to the DMA-capable dwc device
*/
struct usb_gsi_request {
void *buf_base_addr;
@ -80,6 +83,7 @@ struct usb_gsi_request {
u8 ep_intr_num;
struct sg_table sgt_trb_xfer_ring;
struct sg_table sgt_data_buff;
struct device *dev;
};
/*