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Commit 129e43fb authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "usb: dwc3-msm: Program MSB of doorbell register when using dummy_addr"

parents f3923178 57254179

drivers/usb/dwc3/dwc3-msm.c

+8 −0
Original line number Diff line number Diff line
@@ -1009,6 +1009,10 @@ static void gsi_store_ringbase_dbl_info(struct usb_ep *ep, 
	 * Replace dummy doorbell address with real one as IPA connection

	 * is setup now and GSI must be ready to handle doorbell updates.

	 */

	dwc3_msm_write_reg_field(mdwc->base,

			GSI_DBL_ADDR_H(mdwc->gsi_reg[DBL_ADDR_H], (n)),

			~0x0, 0x0);



	dwc3_msm_write_reg(mdwc->base,

		GSI_DBL_ADDR_L(mdwc->gsi_reg[DBL_ADDR_L], (n)),

		(u32)request->mapped_db_reg_phs_addr_lsb);
@@ -1290,6 +1294,10 @@ static void gsi_configure_ep(struct usb_ep *ep, struct usb_gsi_request *request) 
	int ret;



	/* setup dummy doorbell as IPA connection isn't setup yet */

	dwc3_msm_write_reg_field(mdwc->base,

			GSI_DBL_ADDR_H(mdwc->gsi_reg[DBL_ADDR_H], (n)),

			~0x0, (u32)((u64)mdwc->dummy_gsi_db_dma >> 32));



	dwc3_msm_write_reg_field(mdwc->base,

			GSI_DBL_ADDR_L(mdwc->gsi_reg[DBL_ADDR_L], (n)),

			~0x0, (u32)mdwc->dummy_gsi_db_dma);